How is kinetic energy of particles and temperature related
Answers
Answer:
The higher the temperature, the faster the particles move, the lower the temperature, the slower.
Related Questions
Which group on the periodic table is an atom with 5 valence electrons?Group 4 AGroup 2 AGroup 5 AGroup 15 A
Answers
Explanation:
The atoms on the periodic table are grouped according to having similar properties. Therefore, atoms of group 15 has 5 valence electrons.
Answer:
The last option is correct.
During an investigation, a scientist heated 123.6 g of copper carbonate till it decomposed to form a black residue. The total mass of the black residue formed was 79.6 g. Does the law of conservation of mass hold true in this case?
Answers
No, the Law of Conservation of Mass does not hold true for this case because the mass of reactant is not equal to the mass of product.
What is Law of Conservation of Mass?
According to the Law of Conservation of Mass, during a chemical reaction, the total masses of the products and reactants must be equal.This law states that although mass can be reorganized in space or the entities connected to it can change shape, mass itself cannot be generated or destroyed.For instance, the mass of the components prior to a chemical reaction (reactants) is equal to the mass of the components following the reaction (products).Therefore, the entire mass of the reactants, or starting materials, must be equal to the mass of the products during any chemical reaction and low-energy thermodynamic processes in an isolated system.Here, the mass of the reactant (copper carbonate) is not equal to the mass of the product (black residue). Hence, the Law of Conservation of Mass is not applicable in this case.To learn more about Law of Conservation of Mass from the given link
https://brainly.com/question/15289631
#SPJ1
1. Natural gas is considered a nonrenewable resource because
A. It takes millions of years to form.
A. It takes millions of years to form.,
B. It is very expensive to make.
B. It is very expensive to make.,
C. It produces pollution when burned.
C. It produces pollution when burned.,
D. It cannot be used to generate electricity.
Answers
Answer:
hope this is help helpful
Explanation:
natural gas are considered nonrenewable because they can not be replenished in a short period of time.
fill in the blank. "Hydrophobic colloids __________.
a. will separate into two phases if they are stabilized
b. can be stabilized by adsorption of ions
c. are those that contain water
d. are those that do not contain water
e. can be stabilized by coagulation"
b. can be stabilized by adsorption of ions
Answers
Hydrophobic colloids option b- can be stabilized by adsorption of ions.
Hydrophobic colloids are colloidal particles that repel water molecules and tend to aggregate or coagulate in aqueous solutions. To stabilize hydrophobic colloids, surfactants or stabilizing agents are added to the system.
These surfactants have hydrophobic and hydrophilic regions that can adsorb onto the surface of the colloidal particles, forming a protective layer that prevents their aggregation. This adsorption of surfactant molecules on the particle surface is commonly referred to as "stabilization by adsorption of ions".
The surfactant molecules adsorb onto the particle surface with their hydrophobic tails pointing inward towards the particle surface and their hydrophilic heads pointing outward towards the solvent, creating a stable colloidal dispersion. This stabilization mechanism is commonly used in the formulation of emulsions, suspensions, and other colloidal systems.
learn more about colloidal particles here:
https://brainly.com/question/11640006
#SPJ4
I need help with this question ASAP
Answers
Answer:
True
Explanation:
Asexual reproduction does not involve sex cells or fertilization . Only one parent is required, unlike sexual reproduction which needs two parents. As a result, the offspring are genetically identical to the parent and to each other.
Help ASAP pleaseeee thank you
Answers
pls help me balance this equation
C8 H18 + O2 CO2 + H2O
Answers
Answer:
2C8H18 + 25O2 → 16CO2 + 18H2O
Explanation:
Reactant
There are 16 Carbon 2x8 = 16
36 Hydrogen 2x18 = 36
And 50 oxygen 25x2= 50
Product
There are 16 carbon
And 50 oxygen atoms
From the CO2 the amount of oxygen atoms are 32 (16x2=32)
And from the H20 the amount of oxygen atoms are 18
32+ 18= 50
There are 36 hydrogen 18x2= 36
Look at the numbers of atoms in the reactant and the product we will see we have the same amount for each atom
Balancing a chemical equation we need to make the reactant and product equal and balanced
I wish this helped
if 25 ml of isopentyl acetate and 25 ml of water are placed into a separatory funnel, which layer is on top?
Answers
If 25 ml of the isopentyl acetate and the 25 ml of the water are placed into the separatory funnel, the layer is on top is isopentyl acetate.
The isopentyl acetate also called as the isoamyl acetate. It is an organic compound which is the ester that is formed from the isoamyl alcohol and the acetic acid. The isopentyl acetate is the colorless liquid which is the slightly soluble in the water, but it is very soluble in the most organic solvents.
The water is more dense as compared to the isopentyl acetate.
The volume of the isopentyl acetate = 25 ,L
The volume of the water = 25 mL
The substance which is less dense will be on the top of the layer. Therefore, isopentyl acetate is on the top but not the water.
To learn more about isopentyl acetate here
https://brainly.com/question/31102869
#SPJ4
A teller at a drive-up window at a bank had the following service times (in minutes) for 20 randomly selected customers: What are the 3 -sigma control limits? Select one: a. None of the other options.
Answers
Since the exact values of the service times are not provided, it is not possible to calculate the 3-sigma control limits. Therefore, the correct answer is "None of the other options."
The 3-sigma control limits are used in statistical process control to determine the acceptable range of variation in a process. To calculate the 3-sigma control limits, we need to first find the mean and standard deviation of the service times for the 20 randomly selected customers.
Step 1: Find the mean (average) of the service times.
Add up all the service times and divide by the total number of customers (20).
Step 2: Find the standard deviation of the service times.
Calculate the difference between each service time and the mean, square each difference, sum up all the squared differences, divide by the total number of customers (20), and then take the square root of the result.
Step 3: Calculate the 3-sigma control limits.
Multiply the standard deviation by 3 and add/subtract the result to/from the mean. This will give you the upper and lower control limits.
Since the exact values of the service times are not provided, it is not possible to calculate the 3-sigma control limits. Therefore, the correct answer is "None of the other options."
Learn more about 3-sigma control limits from given link: https://brainly.com/question/17063477
#SPJ11
a 9.148 mol sample of nitrogen gas is maintained in a 0.8008 l container at 303.6 k. what is the pressure in atm calculated using the van der waals' equation for gas under these conditions?
Answers
9.148 mol sample of nitrogen gas is maintained in a 0.8008 l container at 303.6 k. the pressure in atm is 330 atm.
The van der waal's equation is given as :
( P + ( an² / V² )) ( V - nb ) = RT
P = ( nRT / (V - nb )) - ( an² / V² )
n = 9.418
V = 0.8008 L
T = 303.6 K
a = 1.39 L² mol⁻² atm
b = 3.91 × 10⁻² L mol⁻¹ atm⁻¹
R = 0.821 L atm K⁻¹ mol⁻¹
P = ( 9.418 ×0.821 × 303.6 / ( 0.8008 - 9.148 × 3.91 × 10⁻² ) - ( 1.39 ×
(9.148)²/(0.8008)²
P = 330 atm
Thus, 9.148 mol sample of nitrogen gas is maintained in a 0.8008 l container at 303.6 k. the pressure in atm is 330 atm.
To learn more about van der waal's equation here
https://brainly.com/question/13201335
#SPJ4
Can someone help me with this ASAP?
How many energy levels does the element helium have?
I appreciate the help!
Answers
2
Hydroelectric requires this force to increase the mechanical energy gathered.
Combustive
Velocity
Gravitational
Thermal
Answers
_____ are tiny gaps, or junctions, between neurons' fibers.
Answers
Synapses are tiny gaps, or junctions, between neurons' fibers.
Synapses are tiny gaps, or junctions, between neurons' fibers.
Synapses are necessary for the transmission of nerve impulses from one neuron to another. Neurons specialize in sending signals to a single target cell, and synapses are how they send signals. At the synapse, the plasma membrane of the signaling neuron (presynaptic neuron) is in tight apposition with the membrane of the target (postsynaptic) cell. Both presynaptic and postsynaptic regions contain an extensive set of molecular structures that connect the two membranes and complete the signaling process. In most synapses, the presynaptic portion is on the axon and the postsynaptic portion is on the dendrites or soma.
However, while the synaptic cleft is still a theoretical model, sometimes reported as a continuous disparity between axons and dendrites or cell bodies, histological methods have often failed to use light to see the resolution of their separation, now known as the 20th nanometer. Electron microscopy from the 1950s was used to show the fine structure of the synapse with its separate, parallel pre- and postsynaptic membranes and ridges and the distinction between the two.
Learn more about Synapse:
brainly.com/question/27381250
#SPJ11
Describe the evidence of a geologic process that you observed.
Answers
Answer:
what did i observe?
Explanation:
When reacting Na with Cl2 , we calculated that the theoretical yield should be 12.5 grams. Our actual yield was 13.0 grams. What is the percent yield?
Answers
Answer:
\(\boxed {\boxed {\sf 104 \%}}\)
Explanation:
Percent ratio is the ratio of the actual yield to the theoretical yield. The formula is below.
\(Percent \ Yield} = \frac{{Actual \ Yield}}{{Theoretical \ Yield}} \times 100 \%\)
The reaction of sodium and chlorine should theoretically yield 12.5 grams, but the actual yield was 13.0 grams.
actual yield= 13.0 gtheoretical yield = 12.5 gSubstitute these values into the formula.
\(Percent \ Yield} = \frac{{13.0 \ g }}{{12.5 \ g}} \times 100 \%\)
Divide.
\(Percent \ Yield} = 1.04 \times 100 \%\)
Multiply.
\(Percent \ Yield= 104 \%\)
For this reaction, the percent yield is 104%
conversion factors are useful in solving problems in which a given measurement must be expressed in
Answers
Answer:
In humans, a cleft chin is dominant and no-cleft is recessive. What will the generations look like? Assume that Mendel’s method of crossing two true breeding parents with opposite traits is followed. Check all that apply.
The P generation, F1 generation, and F2 generation will have all cleft chins.
The P generation, F1 generation, and F2 generation will have all no-cleft chins.
The P generation and F1 generation will have all cleft chins.
The F1 generation will have all cleft chins.
The P generation and F2 generation will have all no-cleft chins.
The P generation and F2 generation will have cleft chins and no-cleft chins.
The P generation, F1 generation, and F2 generation will have cleft chins and no-cleft chins.
Explanation:
A sphere of radius 0.457 m, temperature 32.2 ∘
C, and emissivity 0.924 is located in an environment of temperature 82.9 ∘
C. At what rate does the sphere (a) emit and (b) absorb thermal radiation? (c) What is the sphere's net rate of energy exchange? (a) Number (b) Number Units Units
Answers
a) The sphere emits thermal radiation at a rate of 139.75 Watts.
b) The sphere absorbs thermal radiation at a rate of 37.66 Watts.
c) The sphere's net rate of energy exchange is 102.09 Watts.
What are the rates of thermal radiation emission, absorption, and net energy exchange for the sphere?To calculate the rates of thermal radiation emission and absorption, we can use the Stefan-Boltzmann law, which states that the rate of thermal radiation emitted or absorbed by an object is proportional to its surface area, temperature, and the Stefan-Boltzmann constant.
a) The rate of thermal radiation emitted by the sphere can be calculated using the formula:
Emitting Rate = emissivity * surface area * Stefan-Boltzmann constant * (\(temperature^4 - environment\ temperature^4\))
Plugging in the given values:
Emitting Rate = \(0.924 * (4\pi * (0.457)^2) * 5.67 \times 10^{-8} * ((32.2 + 273.15)^4 - (82.9 + 273.15)^4)\)
Emitting Rate ≈ 139.75 Watts
b) The rate of thermal radiation absorbed by the sphere can be calculated in a similar way but using the environment temperature as the object's temperature:
Absorbing Rate = emissivity * surface area * Stefan-Boltzmann constant * (\(environment\ temperature^4 - temperature^4\))
Plugging in the given values:
Absorbing Rate = \(0.924 * (4\pi * (0.457)^2) * 5.67 \times 10^{-8} * ((82.9 + 273.15)^4 - (32.2 + 273.15)^4)\)
Absorbing Rate ≈ 37.66 Watts
c) The net rate of energy exchange is the difference between the emitting rate and the absorbing rate:
Net Rate = Emitting Rate - Absorbing Rate
Net Rate = 139.75 Watts - 37.66 Watts
Net Rate ≈ 102.09 Watts
Therefore, the sphere emits thermal radiation at a rate of 139.75 Watts, absorbs thermal radiation at a rate of 37.66 Watts, and has a net rate of energy exchange of 102.09 Watts.
Note: The units for all the rates are Watts.
Learn more about thermal radiation emission
brainly.com/question/28517392
#SPJ11
100 POINTS! WILL MARK BRAINLIEST!
Please answer in 3-5 sentences
Use the chemical equation to complete the activity.
H2(g) + I2(g) → 2HI(g)
A student makes the following statements:
Hydrogen always has the same oxidation number, so it has an oxidation number of +1 in both the reactant H2 and product HI.
Iodine is in Group VIIA, so it has an oxidation number of –1 in both the reactant I2 and product HI.
Neither hydrogen nor iodine changes oxidation states, so the reaction is not a redox reaction.
In three to five sentences, describe the mistake that the student made, and determine whether or not the reaction is a redox reaction. Explain your answer.
Answers
H2 had charge of 0 before and then +2, this means H2 got oxidized (lost electrons) . I2 had charge of 0 and then changed to -2 which means I2 got reduced (gained electrons).
correctly installed refrigerant piping circuits help prevent
Answers
Correctly installed refrigerant piping circuits help prevent system inefficiencies, refrigerant leaks, and potential safety hazards.
Refrigerant piping circuits play a crucial role in the efficient operation of refrigeration systems. Proper installation of these circuits is essential to prevent various issues. Firstly, a correctly installed piping circuit ensures optimal system performance and efficiency. It allows for the smooth flow of refrigerant, minimizing pressure drops and energy losses. This, in turn, helps the system to operate at its intended capacity, reducing energy consumption and operating costs.
Secondly, a well-installed refrigerant piping circuit helps prevent refrigerant leaks. Leaks not only result in reduced system performance but can also have detrimental environmental effects. Refrigerants, such as chlorofluorocarbons (CFCs) and hydrochlorofluorocarbons (HCFCs), contribute to ozone depletion and climate change when released into the atmosphere. By ensuring proper installation techniques, including appropriate insulation, securing fittings, and avoiding kinks or bends in the piping, the risk of leaks can be significantly minimized.
Lastly, correctly installed refrigerant piping circuits help prevent potential safety hazards. Refrigerants are typically under high pressure and can be hazardous if not handled properly. A well-installed circuit reduces the likelihood of refrigerant leaks, which can lead to the release of harmful gases. Additionally, proper installation techniques ensure that the piping is securely fastened and supported, minimizing the risk of structural failures or accidents caused by loose or unstable components.
To learn more about refrigerant refer:
https://brainly.com/question/10812146
#SPJ11
Which is the best conductor of electricity (0.1M solution)? Why?
Phosphoric Acid or Sulfuric Acid
Answers
Answer:
sulphuric acid as it is strong electrolyte and thus, ionises completely.
Explanation:
Explanation:
The best conductor of electricity is a 0.1 M solution of sulphuric acid as it is a very strong and forceful electrolyte and thus, ionizes completely.
A rectangular prism has a volume of 448 cubic centimeters. the height is 7 centimeters and the length is equal to the width.
what is the width of the rectangular prism?
Answers
The width of the rectangular prism is 8 centimeters. We can use the formula for the volume of a rectangular prism, which is V = l x w x h, where l is the length, w is the width, and h is the height.
Given that the volume of the rectangular prism is 448 cubic centimeters and the height is 7 centimeters, we can plug these values into the formula, 448 = l x w x 7, Divide both sides by 7, 64 = l x w. Since the length is equal to the width, we can substitute l with w, 64 = w^2. Take the square root of both sides, 8 = w. Therefore, the width of the rectangular prism is 8 centimeters.
A rectangular prism has a volume of 448 cubic centimeters, a height of 7 centimeters, and a length equal to its width. To find the width, we can use the formula for the volume of a rectangular prism, which is V = lwh (where V is the volume, l is the length, w is the width, and h is the height). Step 1 Substitute the given values into the formula
448 = lw(7). Step 2 Since the length is equal to the width, replace l with w, 448 = w^2(7). Step 3 Divide both sides by 7 to isolate the width squared, 64 = w^2. Step 4 Find the square root of both sides to get the width, 8 = w. The width of the rectangular prism is 8 centimeters.
To know more about formula visit:
https://brainly.com/question/29886204
#SPJ11
Radioactive material in a place where its presence may be harmful is called:
A) radiation
B) dissemination
C) radioactive contamination
D) dispersion
Answers
Radioactive contamination refers to the presence of radioactive material in a location where it may pose a potential risk or harm to individuals or the environment. The correct answer is C) radioactive contamination.
It occurs when radioactive substances are released or deposited in an area, leading to the contamination of surfaces, objects, or organisms with radioactive particles or radiation. This contamination can occur as a result of accidents, spills, leaks, or improper handling of radioactive materials. Radioactive contamination can have serious health consequences as exposure to radioactive substances can lead to radiation sickness, genetic damage, or an increased risk of developing cancer. It is crucial to properly manage and mitigate radioactive contamination to ensure the safety of individuals and the environment. This involves employing protective measures such as containment, decontamination procedures, and implementing strict protocols for handling and disposing of radioactive materials.
Learn more about radioactive contamination here:
https://brainly.com/question/4193825
#SPJ11
which probing question lies within the scope of physics
Answers
A probing question that lies within the scope of physics could be: "What is the nature of dark matter and dark energy, and how do they influence the expansion of the universe?
Dark matter and dark energy are hypothetical forms of matter and energy that are believed to exist based on their observed gravitational effects on galaxies and the expansion of the universe.
Dark matter is thought to be a type of matter that does not interact with light or other electromagnetic radiation, while dark energy is an unknown form of energy that is causing the universe to expand at an accelerated rate.
Exploring the nature of dark matter and dark energy falls under the purview of physics because it involves understanding the fundamental forces and particles that govern the behavior of the universe.
Physicists study these phenomena by analyzing the gravitational effects they have on visible matter, conducting experiments to detect dark matter particles, and developing theoretical models to explain their properties and interactions.
Addressing this probing question requires the application of various branches of physics, such as cosmology, astrophysics, particle physics, and quantum mechanics.
Researchers employ observational data, theoretical frameworks, and advanced technologies to investigate the nature and origin of dark matter and dark energy, contributing to our understanding of the fundamental nature of the universe and its evolution.
For more such questions on probing question visit:
https://brainly.com/question/10753271
#SPJ8
Which balanced chemical equation is a single-replacement reaction? (2 Points)
A. 2 K(s) + Br₂(/) → 2 KBr(s)
B. 2 HgO(s) → 2 Hg(/) + O₂(g)
C. Zn(s) + CuSO4(aq) → ZnSO4(aq) + Cu(s)
D. NaCl(aq) + AgNO3(aq) → NaNO3(aq) + AgCl(s)
Answers
Option D, NaCl(aq) + AgNO3(aq) → NaNO3(aq) + AgCl(s), is the balanced chemical equation that represents a single-replacement reaction.
What is Replacement Reaction?
In chemistry, a replacement reaction is a type of chemical reaction where one element replaces another in a compound. The general formula for a replacement reaction is:
A + BX → AX + B
where A and B are elements, and X is an anion that can combine with A and B. In this reaction, A replaces B in the compound BX, forming a new compound AX and releasing the element B as a free element. Replacement reactions can be of two types: single replacement reactions and double replacement reactions, depending on whether one or two elements are replaced in the reaction.
In this reaction, sodium (Na) replaces silver (Ag) in the compound AgNO3 to form NaNO3, and silver is released as a free element in the form of AgCl.
Learn more about Replacement Reaction from the given link
https://brainly.com/question/23918356
#SPJ9
Which property of matter is conserved in chemical reactions and shown by balanced equations? mass volume density shape
Answers
Answer:
A. mass
Explanation:
On edgenuity 2020
The property of matter that is conserved in chemical reactions is mass. The correct option is A.
What is law of conservation of mass?The law of conservation of mass implies that mass is never be created nor destroyed in a chemical reaction.
The law of conservation of mass, also known as the principle of mass conservation, implies that for any system closed to all transfers of matter and energy.
The mass of the system must remain constant over time, because the system's mass cannot change, and thus quantity cannot be added or removed.
The law of conservation of mass was critical to the advancement of chemistry.
It assisted scientists in understanding that substances did not disappear as a result of a reaction, as they may appear to do, but rather transformed into another substance of equal mass.
Thus, the correct option is A.
For more details regarding law of conservation, visit:
https://brainly.com/question/24131537
#SPJ6
How much voltage is required to run 1.6 A of current through a 240
resistor? Use AV = IR.
O A. 380 V
O B. 6.7 x 10-3 v
O C. 150 V
O D. 2.6 x 10-3 v
Answers
Answer:
answer is not there
Explanation:
V=1.6×240
V=384volt
A gas has a volume of 4 liters at 50 oC. What will its volume be (in liters) at 100oC
Answers
Answer:
The volume of the gas at 100°C is 4.6189 liters.
Explanation:
For this problem we are going to use Charles' law. Charles' law states that the volume is directly proportional to temperature given that the pressure is constant. In order to use the equation, the unit of temperature should be in Kelvin.
The working equation is:
=
where V1 and T1 are the initial volume and temperature while V2 and T2 are the final conditions.
Let us convert first the temperatures before solving for the final volume.
To convert Celsius to Kelvin just add 273.15 to temperature in Celsius.
50°C + 273.15 = 323.15 K
100°C + 273.15 = 373.15 K
Solving for the final volume:
V₂ =
V₂ =
V₂ = 4.6189 L
Therefore the final volume of the gas at 100°C is 4.6189 L.
Explanation:
The electrolyte that is used to make Hypochlorous Acid is made from Sodium Chloride (NaCl). the bottle says that the electrolyte solution contains 25% sodium chloride. If 2.4 ounces of the solution is added to the half gallon to prepare for the reaction. How many total grams of sodium chloride are used in the reaction. If the reaction produces 1100 PPM of HOCl (hypocholorus acid) how many grams of Hypocholrous are made? Do you think all the NaCl was converted to HOCl? or we can brew one more time and get more HOCl. If all of the NaCl converts to HOCl what would be the maximum possible PPM of the disinfectant
Answers
Answer:
63.9 grams. Yes, the Nacl was converted. Maximum possible ppm is 540ppm.
Explanation:
I this is college level chemistry not regular high school chem.
Answer:2
Explanation:
it is it do not ask questions
name three pure elements and three pure compounds
Answers
Answer:
Pure elements:
Hydrogen(H)
Nitrogen(N)
Magnesium (Mg)
Pure Compounds:
Oxygen gas(O2)
Water (H2O)
Ammonia (NH3)
Explanation:
Hope it helps.Please mark me brainliest.^-^
What is the molarity of a salt solution made by dissolving 280.Omg of NaCl in 2.00mL of water. Assume the final volume is the same as the volume of the water.
Answers
Answer:
The molarity of a solution tells you how many moles of solute you get per liter of solution.Notice that the problem provides you with the volume of the solution expressed in milliliters mL.Right from the start you should remember that you must convert this volume to liters by using the conversion factor1 L=10+3mL
Explanation:
hope this helps if not please let me now