Answers
Tom can use the metal chlorate to make 120 grams of table salt.
How to calculate grams?First, ascertain the chemical formula for NaClO₃'s breakdown:
2 NaClO₃ → 2 NaCl + 3 O₂
According to the equation, 2 moles of NaClO₃ produce 2 moles of NaCl. The molar mass of NaClO₃ is 122.44 g/mol, and the molar mass of NaCl is 58.44 g/mol.
So, set up a proportion to find out how many grams of NaCl Tom can get from 154 g of NaClO₃:
(154 g NaClO₃) / (122.44 g/mol) = (x g NaCl) / (58.44 g/mol)
Solving for x:
x = (154 g NaClO₃) x (2 mol NaCl / 2 mol NaClO₃) x (58.44 g/mol / 1 mol NaCl)
x = 120 g NaCl
Therefore, Tom can get 120 grams of table salt from the metal chlorate.
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Related Questions
The one factor that a scientist changes in an experiment is called the
O
A responding variable.
O
B. hypothesis.
C. controlled variable.
D. manipulated variable.
Answers
Answer:
It might be responding variable.
You are working on a project where you need the volume of a box. You take the length, height, and width measurements and then multiply the values together to find the volume. You re- port the volume of the box as 0.310 ml. If two of your mea- surements were 0.7120 m and 0.52458 m, what was the other measurement?
Answers
Answer and Explanation:
If we remember from school, we should know that the equation for finding the volume of a box (rectangular) is length times width times height.
Since we know the volume, we can divide the two sides given from the volume to find the remaining side.
0.310 ÷ 0.7120 ÷ 0.52458 = 0.83
The answer is 0.83 for the remaining side measurement.
#teamtrees #PAW (Plant And Water)
Answer:
The answer is: 0.82998448
Explanation:
If you multiply 0.7120 × 0.52458, it will equal: 0.37350096.
if you divide 0.310 ÷ 0.37350096, you will get 0.82998448.
Hope it helps!!
(also, i don't want to be "that" person, but brainliest would be apreciated!)
How could the age be interpreted in a rock in which the blocking temperature has been reached?
Answers
PLEASE!!!
Calculate the mass of 6.022×10236.022×1023 molecule of NH4cl
Answers
Answer:
53.5gram.
Explanation
Explanation: number of moles = number of molecule ÷ avogadro's number. => moles = 6.022 × 10²³ ÷ 6.022 × 10²³ = 1 mole. mass of 1 mole of NH4Cl = 1 × molar mass.
Calculate the moles of C₂H6O in 7.78x1024 molecules of C₂H6O.
Answers
There are 12.92 moles of C2H6O in 7.78 x 10^{24}molecules of C2H6O
One mole of a substance contains 6.022 x 10^{23} particles (Avogadro's number). Therefore, to calculate the moles of C2H6O in 7.78 x 10^{24} molecules, we need to divide the given number of molecules by Avogadro's number:10^{24}
moles of C2H6O = 7.78 x molecules / (6.022 x 10^{23} molecules/mol)
moles of C2H6O = 12.92 moles
Therefore, there are 12.92 moles of C2H6O in 7.78 x 10^{24} molecules of C2H6O.
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The number of moles of C2H6O in 7.78x10^24 molecules of C2H6O is 12.92 moles.
StepsAvogadro's number is a constant that connects a substance's particle count to its molecular weight. It is defined as the number of atoms in a mole of carbon-12 that weighs exactly 12 grams, or 6.022 x 1023 particles.
We use the following formula to convert the quantity of substance in moles and the number of particles:
Avogadro's number: number of particles = quantity of material
To calculate the moles of C2H6O in 7.78x10^24 molecules of C2H6O, we need to use Avogadro's number, which relates the number of particles (molecules or atoms) to the amount of substance (moles).
Avogadro's number is 6.022 × 10^23 particles per mole. Therefore, we can calculate the number of moles of C2H6O using the following formula:
moles = number of particles / Avogadro's number
Given that we have 7.78x10^24 molecules of C2H6O, the number of moles of C2H6O can be calculated as:
moles = 7.78x10^24 / 6.022 × 10^23
moles = 12.92
Therefore, the number of moles of C2H6O in 7.78x10^24 molecules of C2H6O is 12.92 moles.
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the society of automotive engineers has established an accepted numerical scale to measure the viscosity of motor oil. for example, sae 40 motor oil has a higher viscosity than an sae 10 oil. rank the following hydrocarbons by their expected viscosity. rank from most to least viscous. to rank items as equivalent, overlap them.
Answers
The viscosity of such a flow is its resistance. Because of the bonding that exists in organic liquids, as the chain lengthens, so does the viscosity. Consequently, the order should be as follows:
CH3CH2CH2CH2CH2CH2CH2CH2CH2CH3
CH3CH2CH2CH2CH2CH2CH2CH3
CH3CH2CH2CH2CH2CH3
A liquid can flow because its molecules can move around one another. The resistance to flow of motor oil is measured by its viscosity. Oil with a low viscosity, such 0W-20, flows more quickly than oil with a high viscosity (e.g. 20W-50). Imagine water and honey to serve as an example. Water flows significantly more quickly than honey when poured from a container. The thicker the oil, the higher the number. Oil thins out as the number decreases. An engine's typical working temperature is 212°F, or 100°C, so an oil with a grade of 5W-30 will have a viscosity rating of 30 at that temperature. When engine parts are cold, thin, low viscosity oils flow more easily to protect them. The film strength needed to protect engines at high temperatures is often best maintained by thick, high viscosity lubricants.
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Which is correct order of the weather observed with each cloud type from 1 to 4?
A. Rain, thunderstorm, snow, fair
B. Light rain, fair, thunderstorm, fair
C. Light rain, thunderstorm, fair, fair
D. Hail, lightning, thunderstorm, fair
Answers
Answer:i thinks its A
Explanation:but who knows
Gas Laws
Pre-Test Active
1
2 3
5
6
O final pressure
O atmospheric pressure
O combined pressure
O partial pressure
7 8
9
10
A scientist is measuring the pressure that is exerted by each of the following gases in the atmosphere: carbon dioxide,
oxygen, and nitrogen. Which term most likely describes what she is measuring?
Answers
The term that the scientist would use in this case is partial pressure. Option D
What is the partial pressure?
The pressure that one particular gas component within a mixture of gases exerts is referred to as partial pressure. It is the pressure that the gas would experience at the same temperature if it were the only thing in the entire volume.
When researching gas mixtures, such as in gas laws, gas phase equilibria, and gas collecting methods, partial pressures are extremely crucial for the gas.
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Which of these has the greatest freezing point depression? Which of these has the greatest freezing point depression? Aqueous solution of NaCl (m = 0.01) Aqueous solution of CaCl2 (m = 0.01) Aqueous solution of C12H22O11 (m = 0.01) Pure water
Answers
The substance with the higher freezing point depression is CaCl2.
What is water's freezing point?Water freezes at 0° C in normal conditions but once water is mixed with other substances this temperature can change.
How does the freezing point change?As previously mentioned, the freezing point changes according to the substance water is mixed with, here are the changes for the listed substances:
Water with NaCl: -3.72 °CWater with CaCl2: -5.58 °C Water with C12H22O11 (Sucrose): -0.68 °C Pure water: No changesBased on this, the one that has the greatest freezing point depression is CaCl2.
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glucose is a six carbon sugar. Albumin is a protein with 607 amino acids. the average molecular weight of a single amino acid is 135 g/mol. there is no reason to run these solutes at the 20 MWCO because
Answers
There is no reason to run these solutes at the 20 MWCO because they are both much smaller than the MWCO of the membrane.
The MWCO (molecular weight cut off) is the molecular weight of a solute at which it will be retained by a membrane during a process such as ultrafiltration or dialysis. If a solute has a molecular weight higher than the MWCO of a membrane, it will be retained and not pass through the membrane. If the molecular weight of a solute is lower than the MWCO, it will pass through the membrane.
In this case, glucose has a molecular weight of 180 g/mol (6 carbons x 12 g/mol per carbon + 6 oxygens x 16 g/mol per oxygen) and albumin has a molecular weight of approximately 81,942 g/mol (607 amino acids x 135 g/mol per amino acid). Both of these solutes have molecular weights that are much lower than 20,000 g/mol, which is a typical MWCO for ultrafiltration or dialysis membranes.
They would both easily pass through the membrane and be lost during the process. Instead, a membrane with a much lower MWCO would be needed if we wanted to retain these solutes during a process such as ultrafiltration or dialysis.
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The composition of a compound is 28.73% K, 1.48% H, 22.76% P, and 47.03% O. The molar mass of the
compound is 136.1 g/mol.
I
Answers
The compound has an empirical formula of \(K_2H_2P_2O_8\) and a molecular formula of \(K_2HPO_4\).
The given compound has a percent composition of K = 28.73%, H = 1.48%, P = 22.76%, and O = 47.03%. Its molar mass is 136.1 g/mol. To determine its molecular formula, we need to find its empirical formula and calculate its molecular formula from its empirical formula.The empirical formula is the smallest whole number ratio of atoms in a compound. It can be determined by converting the percent composition of the elements into their respective moles and dividing each by the smallest number of moles calculated. The moles of K, H, P, and O in 100 g of the compound are: K = 28.73 g x (1 mol/39.1 g) = 0.734 molH = 1.48 g x (1 mol/1.01 g) = 1.46 molP = 22.76 g x (1 mol/30.97 g) = 0.736 molO = 47.03 g x (1 mol/16.00 g) = 2.94 molDividing each by the smallest number of moles gives the following ratios: K = 0.734/0.734 = 1H = 1.46/0.734 = 2P = 0.736/0.734 = 1.002O = 2.94/0.734 = 4. The empirical formula of the compound is \(K_2H_2P_2O_8\). To calculate the molecular formula, we need to determine the factor by which the empirical formula should be multiplied to obtain the molecular formula. This can be done by comparing the molar mass of the empirical formula to the molar mass of the compound.The molar mass of \(K_2H_2P_2O_8\) is: \(M(K_2H_2P_2O_8)\) = (2 x 39.1 g/mol) + (2 x 1.01 g/mol) + (2 x 30.97 g/mol) + (8 x 16.00 g/mol) = 276.2 g/mol. The factor by which the empirical formula should be multiplied is: M(molecular formula)/M(empirical formula) = 136.1 g/mol/276.2 g/mol = 0.4935. The molecular formula is obtained by multiplying the empirical formula by this factor: \(K_2H_2P_2O_8 * 0.4935 = K_2HPO_4\). Therefore, the molecular formula of the compound is \(K_2HPO_4\).The molecular formula of the given compound having a composition of 28.73% K, 1.48% H, 22.76% P, and 47.03% O with a molar mass of 136.1 g/mol is \(K_2HPO_4\). The empirical formula of the compound is \(K_2H_2P_2O_8\). The compound's molecular formula is calculated by determining the factor by which the empirical formula should be multiplied to obtain the molecular formula. The factor is M(molecular formula)/M(empirical formula) = 136.1 g/mol/276.2 g/mol = 0.4935. The molecular formula of the compound is obtained by multiplying the empirical formula by this factor, resulting in the molecular formula \(K_2HPO_4\).For more questions on empirical formula
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The correct question would be as
The composition of a compound is 28.73% K. 1.48% H, 22.76% P, and 47.03% O. The molar mass of the compound is 136.1 g/mol. What is the Molecular Formula of the compound?
\(KH_2PO_4\\KH_3PO_4\\K_2H_4P_20_{12}\\K_2H_3PO_6\)
How do you do number thirty?
Answers
A certain experiment generates 2.58 L of hydrogen gas, which is collected over water. The temperature is 20°C and the atmospheric pressure is 98.60 kPa. Find the volume that the dry hydrogen would occupy at STP.
Answers
The volume that the dry hydrogen would occupy at STP is 2.72 L.
How to find the volume of dry hydrogen gas at STP ?
To find the volume of dry hydrogen gas at STP, we need to use the ideal gas law equation:
PV = nRT
Where
P is the pressure of the gasV is the volume of the gasn is the number of moles of gasR is the ideal gas constantT is the temperature of the gas in KelvinFirst, we need to calculate the number of moles of hydrogen gas generated in the experiment. To do this, we can use the following equation:
n = PV/RT
Where
P is the total pressure (atmospheric pressure plus the vapor pressure of water) V is the volume of the gasR is the ideal gas constant (0.0821 L·atm/mol·K)T is the temperature in KelvinFirst, we need to convert the temperature from Celsius to Kelvin:
T = 20°C + 273.15 = 293.15 K
The vapor pressure of water at 20°C is 2.34 kPa, so the total pressure is:
P = atmospheric pressure + vapor pressure of water
= 98.60 kPa + 2.34 kPa
= 100.94 kPa
Now we can calculate the number of moles of hydrogen gas:
n = PV/RT
= (100.94 kPa)(2.58 L)/(0.0821 L·atm/mol·K)(293.15 K)
= 0.113 mol
Next, we can use the ideal gas law to find the volume of dry hydrogen gas at STP. At STP, the pressure is 1 atm and the temperature is 273.15 K.
PV = nRT
V = nRT/P
= (0.113 mol)(0.0821 L·atm/mol·K)(273.15 K)/(1 atm)
= 2.72 L
Therefore, the volume that the dry hydrogen would occupy at STP is 2.72 L.
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Chemical bonding in metals is
a. the same as ionic bonding
b. the same as covalent bonding.
C. a combination of ionic and covalent bonding
different from ionic or covalent bonding
Answers
Answer:
different from ionic or covalent bonding
Explanation:
How many moles of h2 are needed in produce 3 moles of water
Answers
3 moles of H2 are needed to produce 3 moles of water.
What are moles?Moles are a unit of measurement that are used to determine how much of a chemical there is. The amount of a material that has the same number of particles (atoms, molecules, ions, etc.) is said to be one mole.
How do you determine it?In order to create water (H2O), hydrogen gas (H2) and oxygen gas (O2) must react. The balanced chemical equation for this reaction is:
2H2 + O2 -> 2H2O
The stoichiometry of this reaction states that 2 moles of hydrogen gas and 1 mole of oxygen gas combine to form 2 moles of water. Therefore, we require 3/2 * 2 = 3 moles of hydrogen gas in order to make 3 moles of water.
So, 3 moles of H2 are needed to produce 3 moles of water.
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What are two cases when a cell must use active transport in order to move materials?
Answers
Answer:
A cell must use active transport in order to move materials in the process Phagocytosis and Pinocytosis
What was earth’s surface like? Landmasses? First land plants
Answers
Answer:
During the early Paleozoic Era, the Earth's surface was very different from what it is today. The continents were arranged differently, forming one large supercontinent called Pangea. This landmass was surrounded by a single large ocean called Panthalassa. The climate was much warmer and wetter than it is today, with no ice caps at the poles.
The first land plants, known as bryophytes, appeared during the early Silurian Period, around 430 million years ago. These plants were small and simple, lacking roots and vascular tissue. They grew in damp environments, such as along the edges of lakes and streams. They were important in the development of soils and in the colonization of land by other organisms, such as insects and other arthropods.
Question (1 point)
Given the model, answer the following questions regarding effusion. The orange spheres have a greater root-mean-square speed than the blue spheres. Assume the balloon has a tiny opening for gas molecules to escape.
1st attempt
Part 1 ( 0.5 point)
See Periodic Table See Hint
Which balloon, A or B, most accurately illustrates the effusion of a gas from the central balloon?
Calculate the relative rate of effusion for the orange to blue spheres. The root-mean-square speed for the orange spheres is 495.0m/s. The root-meah-5quare speed for the blue spheres is 380.0m/ s.
Answers
According to the claim, Balloon A, which has more blue and less orange, exhibits accurate effusion at a relative effusion rate of 1.303. (orange is 1.303 times more effused than blue).Relative rate of effusion for the orange to blue spheres = 1.531.
What is effusion ?The process of effusion is when a gas escapes from a container through a hole that is significantly smaller in diameter than the molecules' mean free path.
Gas molecules flow through a small opening in one container and into another by effusion. Graham's law allows rates of effusion to be compared at the same temperature. Diffusion is the random molecular motion-based movement of gas molecules through one or more other types of gas.
Rate of effusion of Orange / Rate of effusion of blue
= [Mblue / Morange]^1/2
Vrms = sqrt [(3RT/M)]
Vorange / Vblue = [ Mblue / Morange]^1/2
Rate of effusion of Orange / Rate of effusion of blue
= 565/ 369
= 1.531
Thus, Balloon A, which has more blue and less orange, exhibits accurate effusion at a relative effusion rate of 1.303.
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How many moles are in .009 grams of Carbon?
Answers
The no. Of moles of carbon is found to be 7.5×10⁻⁴.
No. of moles are give by = Given mass/molar mass.
Given mass is 0.009g and the molar mass of carbon atom is 12g.
So, the no. Of moles are given by ,
No. Of moles = 0.009/12
= 0.00075 = 7.5×10⁻⁴mol.
The value of 6.023 x 10²³ is equal to one mole of any substance (Avogadro number). It can be used to quantify the chemical reaction’s by-products. The symbol for the unit is mol.
Carbon element is insoluble in water, diluted acids and bases, as well as organic solvents, carbon is an inert material. It combines with oxygen at high temperatures to generate carbon monoxide or dioxide. Diamond and graphite are two distinct allotropes, crystalline forms of the carbon atom.
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Help please! HOH can interact with other
like molecules through
Answers
Answer:
C dispersion , dipole and hydrogen bond
Explanation:
Answer:
C dispersion , dipole and hydrogen bond
Explanation:
Give the other guy brainliest!
Sort the characteristics into those which are true of bryophytes and those which are true of modern land plants. Drag each item to the correct location.
Answers
Grow close, grow inside: these are the rules for bryophytes, while m, h, and an apply to contemporary land plants.
Which two main plant types are there?A shrub is a living entity with a stem, leaflets, and roots that develops in the soil. Exotic plants need to be watered as often as necessary. Two categories of plants can be distinguished: blooming plants, such as sunflowers, orchids, and the majority of tree species.
Why are plants so crucial?There wouldn't be food if there weren't plants. Proteins, lipids, and carbohydrates all contain carbon, which comes via a plant's photosynthesis process. Everything we consume, including animal meat, is produced by plants harnessing the energy from sunshine to take atmospheric co2 and turn it into intricate energy molecules.
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How are antibiotics made in chemistry
Answers
Antibiotics are drugs that fight infections caused by bacteria in humans and animals.
Antibiotics can be produced from natural means from microorganisms, microorganism can produce substances that inhibit the action of bacteria, as does penicillin.
There are other kinds of antibiotics made in a laboratory, those are called "semi-synthetic". These antibiotics are extracted from microbes and then enhanced in the laboratory by chemical modification.
A new band sensation is playing a concert and recording it for a live album to be released this summer. Select all the statements that are true for when the microphone records the sound.
a. The microphone changes the wave from an electromagnetic wave to a mechanical wave.
b. The recorded waves are electromagnetic waves.
c. The recorded waves are mechanical waves.
d. The microphone changes the wave from mechanical wave to an electromagnetic wave.
e. The microphone does not change the wave type.
f. The frequency or amplitude of the waves will not change in the microphone.
g. The frequency or amplitude of the waves will change in the microphone.
Answers
Answer:
c. The recorded waves are mechanical waves.
e. The microphone does not change the wave type.
g. The frequency or amplitude of the waves will change in the microphone.
These statements are true. The microphone records the sound waves as mechanical waves, which require a medium to travel through, such as air or water. The microphone does not change the type of wave from mechanical to electromagnetic, or vice versa. The frequency and amplitude of the sound waves will change as they pass through the microphone, depending on the characteristics of the source producing the sound.
The formation of ash by burning wood is called a chemical change. Give reason.
Answers
the formation of ash by burning wood is called a chemical change because ash is a new substance formed by burning wood
why do birds have hollow bones
Answers
\(Hollow \: bones \: are \: also \: called \\ pneumatized \: bones, \: meaning \: they're \: filled \\ with \: space \: for \: air. \: It \\ is \: thought \: that \: this \: structure \\ helps \: with \: oxygen \: intake \: during \\ flight. \: Air \: sacs \: are \: attached \: to \\ the \: hollow \: areas \: in \: a \: bird's \: bones. ... \\ This \: adds \: more \: oxygen \: to \\ the \: blood, \: providing \: a \\ bird \: with \:extra \:energy \:for\: flight.\)
Answer:
Birds have hollow bones so that they are light for flight
Explanation:
K12
In Zeff periodicity of valence electron, explain the changes of Al -> Si
Answers
Now, when we compare aluminum (Al) and silicon (Si), we can see that Al is located to the left of Si in the third period of the periodic table.
Aluminum has 3 valence electrons, which are located in the 3p orbital. The effective nuclear charge experienced by these electrons is relatively low because the 3s and 3p electrons shield them from the nucleus. As a result, the valence electrons in Al are relatively easy to remove, making Al a good conductor of electricity.
On the other hand, silicon has 4 valence electrons, which are also in the 3p orbital. However, the effective nuclear charge experienced by these electrons is higher than that experienced by the valence electrons in Al. This is because silicon has more protons in the nucleus, which creates a stronger attractive force on the valence electrons. This makes silicon a poorer conductor of electricity than aluminum.
In summary, the Zeff periodicity of valence electrons explains the changes in the properties of elements across a period. As you move across a period from left to right, the effective nuclear charge (Zeff) experienced by valence electrons increases, making it harder to remove them. This results in changes in the physical and chemical properties of elements such as conductivity, reactivity, and electron affinity.
Heat is added to ice at 0 °C. Explain why the temperature of the ice does not change. What does change?
Answers
Heat is added to ice at 0 °C. Explain why the temperature of the ice does not change. What does change?When heat is added to ice at 0°C, the temperature of the ice does not change. This happens because all the heat energy is used up in overcoming the intermolecular forces of attraction (hydrogen bonds) that exist between the water molecules in ice.
As a result, the ice undergoes a phase change, from a solid to a liquid. This process is called melting. During melting, the temperature of the ice remains constant at 0°C because all the heat energy is used up in overcoming the intermolecular forces of attraction.The energy required to melt ice is known as the heat of fusion. The heat of fusion is the amount of heat energy required to change 1 kilogram of a solid into a liquid at its melting point. For water, the heat of fusion is 334 kJ/kg. This means that 334 kJ of heat energy is required to melt 1 kg of ice at 0°C. Therefore, during the melting of ice, the temperature of the ice does not change, but the internal energy of the ice does change, and this is manifested in the change of phase from a solid to a liquid.In summary, when heat is added to ice at 0°C, the temperature of the ice does not change, and all the heat energy is used up in overcoming the intermolecular forces of attraction between the water molecules in ice. This results in the melting of ice without any change in temperature.For such more question on molecules
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Questions
1) Would it be possible to run a chemical reaction with no single limiting reagent? Why or why not?
Answers
Answer:
That's not possible. When a limiting reactant is called out in a stoichiometry problem, what that means is there's enough of all the other reactants for the limiting one to be completely consumed in the formation of product/products
need help please ,thx
Answers
Answer:
can you get a picture that is in higher quality? we can't read what it's saying
1 answer
......................................................
Answers
The most accurate statement about signal transmissions among the given options is:
a) All signals in transmission will lose clarity with distance.
When a signal is transmitted over a distance, it can experience various types of degradation or attenuation. Factors such as distance, interference, noise, and the medium through which the signal travels can all contribute to a reduction in the clarity or quality of the signal. This means that as the distance between the source and receiver increases, the signal may become weaker, distorted, or prone to interference, resulting in a loss of clarity.