What is the common ion in a solution prepared by mixing 0.10 m nach3co2 with 0.10 m ch3co2h?
a) h3o
b) ch3co2-
c) na
d) oh-
Answers
The correct answer is [b]. By mixing 0.10m \(NaCH_{3}CO_{2}\) with 0.10m \(CH_{3}CO_{2}H\) we can get \(CH_{3}CO_{2}^{-}\) as common ion.
What is a solution?One or more solutes that have been dissolved in a solvent form a homogenous mixture known as a solution.
solvent: the substance in which a solute dissolves to produce homogeneous mixture.solute: the substance that dissolves in a solvent to produce homogeneous mixture.Solutions play a major role in life processes. The oxygen from the lungs dissolves in blood plasma, chemically combines with the hemoglobin in red blood cells, and then is delivered to the body tissues. Additionally, the digestive byproducts are transported throughout the body in solutions. Numerous practical uses can be made of the liquids' capacity to dissolve other liquids or solids.
Chemists take the advantage of differences in solubility to separate and purify materials and to carry out chemical analysis. Most chemical reactions occur in the solution and are influenced by the solubilities of the reagents. Materials for chemical manufacturing equipment are selected to resist solvent action of their contents.
Any two substances which can be evenly mixed form a solution. Even though the materials of different phases may combine to form a solution, the end result always exists of a single phase.
Brass is an illustration of a solid solution. Liquid solutions include aqueous hydrochloric acid as an illustration (HCl in water). Air is an illustration of a gaseous solution.
On breaking the above given compounds, we get:
\(NaCH_{3} CO_{2}\) → \(Na^{+}\) + \(CH_{3}CO_{2} ^{-}\)
\(CH_{3}CO_{2}H\)→\(H^{+}\) + \(CH_{3}CO_{2}^{-}\)
By mixing the above compounds we can get \(CH_{3}CO_{2}^{-}\) as common ion.
To know more about solution visit: brainly.com/question/7932885
#SPJ4
Related Questions
Calculate the molarity of a concentrated solution of hydrochloric acid that is 47. 7 % by mass HCl; the density of the solution is 1. 19 g/mL The molarity of the solution is ______.
Answers
The molarity of the solution is 12 M. Thus, the molarity of the concentrated solution of hydrochloric acid that is 47.7% by mass HCl; the density of the solution is 1.19 g/mL is 12 M.
To calculate the molarity of the concentrated hydrochloric acid solution, we have to use the formula,Mass percent of solute = (mass of solute / mass of solution) × 100Mass of solute = mass percent of solute / 100 × mass of solution.
Hence, we can obtain mass of hydrochloric acid (HCl) in 100 g of the concentrated solution of hydrochloric acid:Molarity of solution = moles of solute / volume of solution in litersFrom the ideal gas equation, PV = nRT, the number of moles of a gas (or solute) is related to the volume, pressure, temperature, and universal gas constant as follows:n = (PV) / (RT)Here, P is the pressure, V is the volume, R is the universal gas constant, and T is the absolute temperature.Molarity of solution = (weight of solute in g) / (molar mass of solute in g/mol) × (1 / volume of solution in L)
To know more about molarity visit:
https://brainly.com/question/31545539
#SPJ11
What kind of system is the coffee cup calorimeter considered, and what does that mean in terms of energy transfer?.
Answers
Answer:
A coffee cup calorimeter is a constant-pressure calorimeter.
Explanation:
As such, the heat that is measured in such a device is equivalent to the change in enthalpy.
which pair of cofactors would be suitable in this reaction? are electrons being transferred?
Answers
Moving electrons is required to form and break bonds. We demonstrated how electrons go from "sources" to "sinks" in reaction processes by sketching them. Vitamin derivatives are used in many enzyme-catalyzed processes as substrates, "cofactors," or "coenzymes."
Non-protein compounds called "electron transfer cofactors" bind to proteins and enzymes and serve as pathways for the movement of electrons during redox processes. Coenzymes receive electrons and protons through each of these procedures. The most prevalent coenzymes are flavin adenine dinucleotide (FAD) and nicotinamide adenine dinucleotide (NAD). Quinone and a hydrophobic tail make up coenzyme Q, often known as ubiquinone (CoQ). Its role as an electron carrier is to deliver electrons to complex III.
Learn more about cofactors from here:
https://brainly.com/question/13004767
#SPJ4
Identify the reagents you would use to accomplish each of the following transformations: (a) Convert 2-methyl-2-butene into a monosubstituted alkene (b) Convert 2,3-dimethyl-1-hexene into a tetrasubstituted alkene
Answers
The reagents that can be used to accomplish each of the given transformations:
(a) To convert 2-methyl-2-butene into a monosubstituted alkene, we can use the reagent HBr (hydrogen bromide).
(b) To convert 2,3-dimethyl-1-hexene into a tetrasubstituted alkene, we can use the reagent diiodomethane (CH2I2) and a zinc-copper couple (Zn/Cu).
Explanation;
(a) To convert 2-methyl-2-butene into a monosubstituted alkene, one can use hydrohalogenation as the reaction. HBr in the presence of a peroxide, such as diethyl ether will result in the addition of a bromine atom to the less substituted carbon, producing 2-bromobutane. The bromine atom can then be removed using a strong base, such as sodium hydroxide (NaOH), resulting in the monosubstituted alkene 2-methyl-1-butene.
(b) To convert 2,3-dimethyl-1-hexene into a tetrasubstituted alkene, you can use the Simmons-Smith reaction. This reaction involves the use of diiodomethane (CH2I2) and a zinc-copper couple (Zn/Cu) as reagents. This will lead to the formation of a cyclopropane ring, which can then be dehydrohalogenated using a strong base, such as potassium tert-butoxide (t-BuOK), to yield the desired tetrasubstituted alkene.
To know more about the reagents, click below.
https://brainly.com/question/30641407
#SPJ11
Callie did a lab during which she investigated the difference in cellular respiration rates between two different types of corn: germinating and non-germinating. A germinating seed is one from which a plant has started to grow. A non-germinating seed is usually dry and a new plant has not yet emerged. The data that she gathered are displayed in the graph.
Which of the following statements are true concerning the data that Callie gathered during the lab? Choose the two that apply.
Graph has a horizontal label of time and a vertical label of mL of oxygen consumed. The germinating corn seed line extends from 0-1.6 at the far end of the graph. The non-germinating corn seed line extends from 0-0.2.
A. The germinating corn seed consumed more oxygen than the non-germinating corn seed.
B. The non-germinating corn seed produced more carbon dioxide than the germinating corn seed.
C. The non-germinating corn seed performed more cellular respiration than the germinating corn seed
D. The germinating corn seed produced more energy than the non-germinating corn seed.
E. The non-germinating corn seed performed cellular respiration and the germinating corn seed performed fermentation.
Answers
A germinating seed is one from which a plant has started to grow. A non-germinating seed is usually dry, and a new plant has not yet emerged. The germinating corn seed consumed more oxygen than the non-germinating corn seed. This statement is true. Therefore, option A is correct.
What is germinating seed ?A dry seed starts to absorb water through its seed coat when it comes into touch with damp soil or growing medium. The seed swells and the seed coat splits open as it absorbs more water. Small shoots and roots make up the embryo inside the seed. First to appear from the seed is the root.
The prerequisites for seed germination include oxygen, water, temperature, and, only for particular seeds, light. The sprouting of seeds is impacted when one or more of these are missing. Similar internal elements that impact this process include seed viability, dormancy, and embryonic maturity.
Thus, option A is correct.
To learn more about germinating seed, follow the link;
https://brainly.com/question/15976369
#SPJ1
Calculate the volume of distilled water that should be added to 25cm³ of a 0.125moldm-³ HCL in order to dilute it 10 times, calculate the volume of the added water
Answers
Answer:
Explanation:
The volume of distilled water that should be added to 25 cm3 of 0.125 moldm-3 HCl in order to dilute it 10 times can be calculated using the following equation:
Volume of added water = (25 cm3 x 10) / (0.125 moldm-3)
= 200 cm3
Therefore, the volume of distilled water that should be added to 25 cm3 of 0.125 moldm-3 HCl in order to dilute it 10 times is 200 cm3.
8. Which of the following symmetries are consistent with a two-dimensional crystal? O Translation; 1-, 2-,3- 4-, 5- and 6-fold rotations; reflection and glide. O Translation; 1-, 2-, 3-, 4- and 6-fold rotations; reflection; glide and screw. O Translation; 1-, 2-, 3-,4- and 6-fold rotations; reflection and glide. O Translation, 2-, 3, 4-, and 5 -fold rotations, reflection, glide.
Answers
The symmetries that are consistent with a two-dimensional crystal include translation; 1-, 2-, 3-, 4-, and 6-fold rotations; reflection and glide.
Therefore, the answer is option C: Translation; 1-, 2-, 3-, 4- and 6-fold rotations; reflection and glide.
Two-dimensional crystals consist of two-dimensional lattices that can be defined by their symmetries.
They have five fold and higher rotation axes prohibited by the crystallographic restriction theorem.
The seven crystal systems and the fourteen Bravais lattices can be used to classify two-dimensional lattices based on their symmetries. All seven crystal systems have been found in two-dimensional lattices.
To learn more about symmetries here:
https://brainly.com/question/29636730
#SPJ11
which of the following correctly describes the basic chemical formula for all sugar monomers?
Answers
The basic chemical formula for all sugar monomers can be described as (CH₂O)n, where "n" represents the number of carbon atoms in the sugar molecule.
Glucose is the most prevalent natural monomer among sugars. Starch, cellulose, and glycogen combine to create polymers as a result of their linking. Many species rely on glucose as a critical source of energy.
This formula indicates that sugars are composed of carbon (C), hydrogen (H), and oxygen (O) atoms in a ratio of 1 ratio 2 ratio 1. The "n" value varies depending on the specific sugar monomer. For example monosaccharide, glucose, a common sugar monomer, has a chemical formula of C₆H₁₂O₆, where "n" is 6.
Therefore, the correct description of the basic chemical formula for all sugar monomers is (CH₂O)n.
To know more about monosaccharide:
https://brainly.com/question/30548064
#SPJ4
1 When 25 cm of 1.0 mol/dmº copper sulfate solution was mixed vith an excess of zinc
powder, the temperature of the solution rose by 50.6 °C. Calculate the energy change
for the reaction in kJ/mol.
CuSO4(aq) + Zn(s) + Cu(s) + ZnSO4(aq)
?
Answers
Answer:
See explanation
Explanation:
From the formula for heat;
q (enthalpy change) = (mass of solution) x (specific heat capacity) x (temperature change)
Since the density and heat capacity of the solution are the same as that of pure water.
Mass of copper sulphate solution = 50 g
Heat = 50 * 4.18 * 50.6°C
Heat = 10575.4 J
Number of moles = 1 * 25/1000 = 0.025 moles
10575.4 J/ 0.025 moles = 432016 J/mol/1000
= 423 KJ/mol
or
q = - 423 KJ/mol
reasons why large quantities of electricity is used for down's cell
Answers
1.High energy demands: Down's cells require a large amount of energy to function effectively. The process of creating and maintaining the cells requires significant energy inputs to power equipment, lighting, heating, and cooling systems.
2.Manufacturing processes: Many of the processes involved in creating and maintaining Down's cells are energy-intensive. This includes cell replication, gene manipulation, and tissue culture.
3.Complex equipment: The equipment required for Down's cell research and production is often complex and requires significant energy inputs to operate. This includes centrifuges, microscopes, and other specialized equipment used in the lab.
4.Climate control: Down's cells must be kept at specific temperatures and humidity levels to maintain their integrity. This requires the use of energy-intensive climate control systems to maintain optimal conditions.
5.Data storage and processing: With the growing amount of data generated by Down's cell research, large quantities of electricity are also needed to store and process the data.
6.Extensive research and development: Down's cells are a relatively new area of research, which means that large amounts of electricity are used to power experimentation and the testing of new techniques and methods.
To learn more about electricity:-
https://brainly.com/question/776932
How do the isotopes hydrogen-2 and hydrogen-3 differ?
A. Hydrogen-2 has three protons.
B. Hydrogen-2 has no protons.
C. Hydrogen-3 has one more electron than hydrogen -2.
D. Hydrogen-3 has two neutrons.
PLS SOMEONE HELP
Answers
Answer:
C hydrogen 3 has 0one more electron than hydrogen 2
The current day periodic table is organized by
Answers
Answer:
Dmitri Mendeleev
Explanation:
Dmitri Mendeleev published the first recognizable periodic table in 1869, developed mainly to illustrate periodic trends of the then-known elements. He also predicted some properties of unidentified elements that were expected to fill gaps within the table. Most of his forecasts proved to be correct
Answer:
Mendeleev periodic table
Explanation:
In 1869, just five years after John Newlands put forward his
Law of Octaves, a Russian chemist called Dmitri Mendeleev
published a periodic table. Mendeleev also arranged the
elements known at the time in order of relative atomic mass
Why is blood so essential for cell function to occur?
Answers
Explanation:
Blood Provides the Body's Cells with Oxygen and Removes Carbon Dioxide. Blood absorbs oxygen from air in the lungs. It transports the oxygen to cells throughout the body, and it removes waste carbon dioxide from the cells.
Your blood carries oxygen and nutrients to all of the cells in your body. Blood cells also fight infection and control bleeding.
PLEASE ANSWER REALLY QUICK!!
Drag the item from the item bank to its corresponding match.
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
This is to observe carefully and in detail so as to identify causes, key factors, or possible results.
This is what people do when they are searching for information. People often look in more than one location.
This is a prediction of the outcome of scientific processes based on analysis.
This is the process of steps taken in completing a task, such as a lab investigation.
Answers
We can see here that:
The cloudiest month - AprilThe coldest month - JanuaryThe hottest month - MayWhen the temperature first rose above 90 degrees - February.We see here that the bar graph will be more understandable if there is: A. Title.
Another thing that can aid in understanding the bar graph is: B. add pictures.
What is bar graph?Using rectangular bars with heights or lengths proportional to the values they represent, a bar chart or bar graph displays categorical data. Both a vertical and a horizontal bar plot are possible. A column chart is another name for a vertical bar graph.
An appropriate question to guide Sarah's research will be: C. Which fixture uses the most water in our home?
To make this a real experiment, Sarah has to do the following: D. Collect and analyze data before and after the leaks are fixed.
Learn more about bar graph on https://brainly.com/question/25196929
#SPJ1
How many total atoms are in 3.3 moles of potassium sulfide, K2S?
Answers
can u answer this only 5 numbers
Answers
The electronic configuration of Krypton is- 1s2 2s2 2p6 3s2 3p6 3d10 4s2 4p6.
a 100 ml solution containing 0.100 m nahco3 is treated with excess acid, producing carbon dioxide which is released into the atmosphere. how much work (in j) is done by the co2 if this reaction occurs at 298k and 1 atmosphere of pressure?
Answers
If the reaction occurs at 298K and 1 atmosphere of pressure, the work done by the CO₂ is -24.8 Joules.
How to calculate work (in joule) is done by the CO₂ if the reaction occurs at 298K and 1atm of pressure?Work is the energy required to move something against a force. The energy of a system can change due to work and other forms of energy transfer such as heat. Gases do expansion or compression work with the equation W = - P * ΔV.
From the question given
molarity of (NaHCO₃) = 0.1m
Volume of NaHCO₃ (V) = 100ml * 10⁻³ L / 1 ml = 0.1L
T (temperature) = 298k
P (pressure) = 1atm
moles of NaHCO₃
= molarity * Volume in Liters
= 0.1m * 0.1L = 0.01L
NaHCO₃ + HCl -> CO₂ + H₂O + NaCl
moles of CO₂ = moles of NaHCO₃ * (coefficient of CO₂ / Coefficient of NaHCO₃)
= 0.01L * 1/1
= 0.01 mol (moles of CO₂)
so, initial moles of CO₂ = 0
final moles of CO₂ = 0.01mol (based from the calculation)
Δn 0.01 - 0 = 0.01mol
Now, let's use work formula (as mentioned above on explanation part)
Work = - P * ΔV
= - Δn * R *T
Where R = 8.314J / mol.K
= - ( 0.01mol * 8.314 J / mol*K * 298K)
= -24.8J
Therefore, the work done by the CO₂ on this 100ml solution is -24.8Joules.
Learn more about work https://brainly.com/question/16687948
#SPJ4
Lactic acid (ch3ch(oh)cooh)(ch3ch(oh)cooh) has one acidic hydrogen. A 0. 10 mm solution of lactic acid has a phph of 2. 44. Part a calculate kaka. Express your answer using two significant figures
Answers
The correct answer is that the acid dissociation constant (Ka) for lactic acid is \(1.59 × 10^(-3)\) (to two significant figures).
Lactic acid is a weak acid that dissociates in water to produce hydrogen ions (H+) and lactate ions \((CH3CH(OH)COO-)\). The dissociation of lactic acid can be represented by the following equation: \(CH3CH(OH)COOH ⇌ H+ + CH3CH(OH)COO-\) . The equilibrium constant for this reaction is called the acid dissociation constant (Ka), which is defined as the ratio of the concentrations of the products (H+ and \(CH3CH(OH)COO-)\) to the concentration of the reactant (lactic acid).
\(Ka = [H+][CH3CH(OH)COO-]/[CH3CH(OH)COOH]\). The pH of a solution is defined as the negative logarithm (base 10) of the hydrogen ion concentration \((pH = -log[H+])\). Therefore, the concentration of hydrogen ions in a \(0.10 mM\) solution of lactic acid with a pH of 2.44 can be calculated as follows: \([H+] = 10^(-pH) = 10^(-2.44) = 3.98 × 10^(-3) M\)
Using the equilibrium equation and the hydrogen ion concentration, the acid dissociation constant (Ka) for lactic acid can be calculated as:
\(Ka = [H+][CH3CH(OH)COO-]/[CH3CH(OH)COOH] = (3.98 × 10^(-3))^2 / (0.10 × 10^(-3)) = 1.59 × 10^(-3)\)Therefore, the acid dissociation constant (Ka) for lactic acid is\(1.59 × 10^(-3)\) (to two significant figures).
To learn more about acid click the link below
brainly.com/question/14072179
#SPJ4
Explain how to count the number of elements in a compound
Answers
Answer:
Using the formula cards again, add the coefficient of 2 in front of the formula and have them recalculate the number of each element and the total number of atoms in each element.
Explanation:
The number of elements in a compound is counted by identifying and counting the chemical symbols represented in the chemical formula
A compound is a substance that is a mixture of more than one elements.
Compounds are made of two or more elements. These elements are represented by their symbols. These symbols can be identified and the number of elements represented by these symbols are counted.
For example, in the compound \(H_2O\):
H represents Hydrogen
O represents Oxygen
The elements in Water ( \(H_2O\)) are Hydrogen and Oxygen
Therefore, the number of elements in \(H_2O\) is 2
Also in, \(NaCl\)
The elements are Sodium(Na) and Chlorine(Cl)
There are two elements in NaCl
Hence, the number of elements in a compound is counted by identifying and counting the chemical symbols represented in the chemical formula
Learn more here: https://brainly.com/question/17571315
Regina has avoided working on her term paper all semester, and now she has only one week to write it. She identifies her goal and hastily writes it down: I will make an A on my English literature term paper that is due next week. Then, she starts breaking her goal into specific daily tasks. Where is the flaw in Regina’s plan?
She hasn’t broken her big goal into small enough pieces.
Her time frame is not realistic.
Her goal is not specific enough.
She has not written her goal enough times.
Answers
The flaw in Regina’s plan is that the time frame is unrealistic (option B).
What is goal setting?Goal setting involves the development of an action plan designed in order to motivate and guide a person or group toward a goal, which is a result that one is attempting to achieve.
Effective goal setting lets you measure progress, overcome procrastination and visualize your dreams. However, setting goals is said to be effective when it is done in an adequate time frame.
According to this question, Regina identifies her goal and hastily writes it down as follows: I will make an A on my English literature term paper that is due next week.
This goal, although is great, is unlikely to be met because of the time frame. One cannot get an excellent result in something that lacks adequate preparation, which includes adequate time.
Learn more about goal setting at: https://brainly.com/question/1705973
#SPJ1
Arrange the following elements by increasing Ionization energy: He, Ar, Ne, Kr *Item one should be the highest energy, Item 4 should be the lowest
Answers
The arrangement of the elements by increasing ionization energy is; Kr < Ar < Ne < He.
However, If item 1 should be the highest, then we have; He > Ne > Ar > Kr.
The ionization energy of an element is simply defined as the quantity/amount of energy required to completely remove an electron from its outermost shell.
However, periodic trends occur in the periodic table.
A relationship exists between the ionization energy of elements in the periodic table and their atomic radii.In essence, the larger the atomic radii of elements, the lesser is their ionization energy.
It is important to note that the atomic radii of elements increases down the group and decreases across the period in the periodic table.Consequently, inference drawn from the statements above is enough to conclude that elements with smaller atomic radii have higher ionization energy as the electrons are closer to the nucleus and the electrostatic attraction is greater.
Ultimately, the arrangement of the elements by increasing ionization energy is;
Kr < Ar < Ne < He.However, If item 1 should be the highest, then we have;
He > Ne > Ar > Kr.Read more:
https://brainly.com/question/9434774
The partial pressure of water vapor in a greenhouse is 139.0 mm hg, which is 18 percent of the total pressure. what is the total pressure in the greenhouse?
Answers
To find the total pressure in the greenhouse, we can use the given information that the partial pressure of water vapor is 18 percent of the total pressure.
Let's denote the total pressure as P_ total.
We know that the partial pressure of water vapor (P_ water vapor) is 139.0 mmHg, which is 18 percent of the total pressure:
P_water vapor = 18% of P_total
To calculate P_total, we can set up the equation:
P_water vapor = 0.18 * P_total
Substituting the given value:
139.0 mmHg = 0.18 * P_total
Now we can solve for P_total:
P_total = 139.0 mmHg / 0.18
P_total ≈ 772.2 mmHg
Therefore, the total pressure in the greenhouse is approximately 772.2 mmHg.
learn more about greenhouse, here:
https://brainly.com/question/13390232
#SPJ11
What volume will 2.0 moles of nitrogen occupy at 720 torr and 20.0°c? formula: pv = nrt (r = 62.396 l•torr/mol•k) 3.5 l 6.6 l 48 l 51 l
Answers
The ideal gas law is the state equation of a hypothetical ideal gas. The volume of the nitrogen gas is 51 I.
What is the ideal gas equation?The general gas equation, commonly known as the ideal gas law, is the state equation of a hypothetical ideal gas. The ideal gas equation is formulated as:
PV = nRT
In this equation, P refers to the pressure of the ideal gas, V is the volume of the ideal gas, n is the total amount of ideal gas that is measured in terms of moles, R is the universal gas constant, and T is the temperature.
As it is given that the pressure on the nitrogen is 720 torr, the temperature of the gas is 20°C(293 k), and the moles of nitrogen are 2.0 moles. Therefore, using the ideal gas equation the volume of the nitrogen can be written as,
\(pv=nRT\\\\v = \dfrac{nRT}{p}\\\\v = \dfrac{2 \times 62.396 \times 293}{720}\\\\v = 50.7834 \approx 51\)
Thus, the volume of the nitrogen gas is 51 I.
Learn more about Ideal Gas Law:
https://brainly.com/question/4147359
Answer:
answer in picture
Explanation:
Assume that 41.1g of hydrogen peroxide decompose to produce oxygen gas at STP to the following balanced equation:
2H2O2 (l) ---------> 2H2O(l) + O2 (g)
How many Liters of oxygen gas are produced?
Answers
Answer:The hydrogen bond is responsible for many of the anomalous physical and chemical properties of compounds of N, O, and F. In particular, intermolecular hydrogen bonding is responsible for the high boiling point of water (100 °C) compared to the other group 16 hydrides that have much weakerhydrogen bonds
Hydrogen bonding is primarily responsible for the high ______ of water.
What is the mass number of an ion with 105 electrons, 157 neutrons, and a 1 charge? express your answer as an integer.
Answers
According to this questions The mass number of the ion with 105 electrons, 157 neutrons, and a 1 charge is 262.
The mass number of an atom or ion is the total number of protons and neutrons in its nucleus. To determine the mass number, we need to know the number of protons (atomic number) and the number of neutrons.
Given:
Number of electrons = 105
Number of neutrons = 157
Charge of the ion = 1
Since the ion has a charge of 1, it indicates that one electron has been lost. Therefore, the number of protons (atomic number) can be calculated as:
Number of protons
= 105 - 1
= 104
The mass number is
= 104 + 157
= 261
Therefore, the mass number of the ion with 105 electrons, 157 neutrons, and a 1 charge is 261.
The ion with 105 electrons, 157 neutrons, and a 1 charge has a mass number of 261.
To know more about mass, visit:
https://brainly.com/question/1838164
#SPJ11
BRAINLIEST!!!!!! PLEASE HELP ASAP!!!!!! PLEASE ANSWER THESE!!!!! PLEASE DON'T SPAM!!!!!.
Answers
Answer:
Explanation: wht do i do??
science, not math
clearly define the dependent and independent variables
Answers
Read the directions and create the graph described below. You will then click the submit button and upload a picture of your graph or some sort of digital version of your graph. It could be done 1) using a computer program or 2) hand-drawn, photographed, and submitted.
You are to create a graph with horizontal and vertical axis. Label "Pressure" on the horizontal axis from O mb to 760 mb. Label "Volume" on the vertical axis from O to 1 mL. Assign values to axes divisions in such a way that you occupy almost all the space on both axes. Now, locate and label the following points:
(90, 0.9)
(100, 0.8)
(400, 0.2)
(600, 0.15)
(760, 0.1)
Answers
The characteristics of the graphs we can find the answer on how to draw the graph
Scales: The x scale = 40 mb / cm paper and the y scale = 0.05 mL / cm paper Graphic attached
The graphical representation is one of the best methods to visualize the relationships between a series of experimental data and to be able to find their functional relationships.
A graphic representation has several parts
Find the scales. Mark the values on the x and y axis Plot the experimental points Draw the curve through the experimental points
The scales are found with the relationship between the variation of the data between the amount of paper or graph range, let's look for the scales for each axis.
x-axis
The variation of the data Δx = Final value - initial value
Paper range, generally it is x = 20cm (sheet size)
They indicate that the graph must start at zero, so the minimum value must be changed,
initial value = 0
Δx = 760 -0 = 760
x scale = 760/20
x scale = 38 mb / cm of paper
y-axis
Data range Δy= 0.9 -0
Paper range y= 20 cm (sheet size)
y-scale = 0.9 / 20
y scale = 0.045 mL / cm paper
One of the characteristics of the scale is that it must be comfortable for graphing, which is why it approximates the following units
Selected scales
x scale = 40 mb / cm paper
y scale = 0.05 mL / cm paper
The second part consists of marking values equally spaced and facilitating readable in the two axes, see attached for a graph made in a computer program
Plot each experimental point as best as possible, there are always some approximations by the selected scales
Draw a curve that passes through most of the experimental points and those that remain outside are balanced above and below the curve, in this case the program draws a line between each point, but it is preferable to draw a smooth curve.
In conclusion with the characteristics of the graphs we can find the answer on how to draw the graph
x scale = 40 mb / cm paper y scale = 0.05 mL / cm paperGraphic attached
Learn more about graphical representation here:
https://brainly.com/question/14119615
Question 19 of 30
How does the distance over which the strong nuclear force acts compare to
the distance over which the other fundamental forces act?
O A. The distance is the same as the weak nuclear force and less than
gravitational and electrostatic forces.
B. The distance is the same as the weak nuclear, gravitational, and
electrostatic forces.
O c. The distance is larger than the weak nuclear force but less than
gravitational and electrostatic forces.
D. The distance is smaller than the gravitational force but later than
weak nuclear and electrostatic forces.
Answers
A chemist prepares a solution of copper) sulfate (cuso4)by weighing out 29.9 g of copper ) sulfate into a 150 into a 150.mLvolumetric flask and filling the flask to the mark with water.
Answers
Lol Most people would say c but its A