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Chemistry

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Maynard Windler

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โˆ™ 2021-10-28 18:34:35
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Cards in this guide (26)
How many moles of magnesium oxide are formed when 4 moles of magnesium react with oxygen

Four (4) moles of magnesium oxide are formed when 4 moles of magnesium react with oxygen.

How many moles of sodium oxide will be produced when 10 moles of sodium react with oxygen

5 moles

If 2 moles of sodium carbonate are used in the reaction how many grams of sodium chloride will be formed

234 grams

Temperature is used to increase the volume of gas

, the answer is Charles' Law!

The correct value for the universal gas constant is

Values of general gas constant are: (value dependant on units)

R = 0.08205746 [atm. ℓ.mol-1.K-1]

R = 8.314472 [Pa.m3.mol-1.K-1 or J.mol-1.K-1]

R = 1.99 [Cal.mol-1.K-1]

An increase in gas pressure is a result of an increase in molecular collisions

ture

Sodium will react with oxygen to form sodium oxide Use the formula below to determine how many grams of sodium oxide will be formed if 46 grams of sodium are used in the reaction

62 grams a+

When expressing pressure in mmHg what is the only unit of volume one should use

Hey Candi Keller, the answer is mL! :)

How many grams of sodium are in 3 moles of sodium carbonate

one mole sodium carbonate contains 23X2 sodium, for three moles it will be 23X2X3=138 gram;

Avogadro's principle can be applied when these 3 measurements are the same

temperature pressure and volume

The ideal gas law measures pressure in

atmospheres A+

In the ideal gas law n represents

moles of gas particles

How many grams of water will be needed to produce 1.5 moles of acetylene gas

54 grams

(:

What term is defined as the number of moles of solute divided by the number of liters of solution

Molarity, abbrev. M, units: mol/L, mmol/ml

An unknown sample with a molecular mass of 180.0g is analyzed to yield 40 percent C 6.7 percent H and 53.3 percent O What is the empirical formula and the molecular formula of this compound

ch2o and c6h12o6

A compound is found be 36.5 percent Na 25.3 percent S and 38.0 percent O What is its empirical formula

Na2SO3, Sodium Sulfite.

The elements in an imaginary compound exist in the mole ratio of 1 3 1 for elements XY What will the empirical formula for the compound be

X4y3

What is the best definition of manometer

an instrument that is used to measure gas in a closed container. A+

Pressure is used to increase the volume of gas

Pressure is used to increase the volume of gas in Boyle's law.

A compound formed of 0.059 mol hydrogen and 0.94 mol oxygen has a molecular mass of 34.0 gmole What is the molecular formula of this compound

h2o2

The formula for sugar is C12H22011 how many moles of carbon are in 2 moles of sugar

If there are 2 moles of sugar. and 12 atoms of carbon per sugar molecule then there will be 24 moles of carbon atoms.

The formula for potassium dichromate is How many grams of oxygen will be in 2 moles of potassium dichromate

224 grams of oxygen are in 2 moles of potassium dichromate.

How many moles of potassium chlorate must be used to produce 6 moles if oxygen gas

Four moles of potassium chlorate are needed.

A compound found to contain 75.7 arsenic and 24.3 oxygen would have which of the empirical formulas below

As2O3

From this reaction 127.1 grams of copper will produce how many grams of silver

431.5 grams

Choose the best definition of STP

a term that indicates a combined measurement of standard atmospheric pressure and room temperature. A+

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