Mole Ratio and Percent Yield in Chemical Reactions Quiz

What is the mole ratio between KCl3 and O2 in the given reaction?

How many moles of water are formed when 2 moles of hydrogen gas react with 1 mole of oxygen gas?

If the theoretical yield of a reaction is 65 grams and the actual yield is 52 grams, what is the percent yield?

Which of the following best describes the limiting reactant in a chemical reaction?

What is the pressure exerted by a 760 mm column of mercury at 0°C?

According to Gay-Lussac's Law, what happens to the pressure of a gas if the temperature is decreased while the volume is held constant?

What is the empirical formula of a compound with 40% carbon, 6.7% hydrogen, and 53.3% oxygen by mass?

For the balanced equation: $2,\ce{KClO3} \rightarrow 2,\ce{KCl} + 3,\ce{O2}$, what is the mole ratio of potassium chlorate to oxygen gas?

What is the percent composition of hydrogen in the compound $\ce{CH3CH2OH}$ (ethanol)?

Which compound has the structural formula $\ce{CH3CH2OH}$?

Balance the equation: $\ce{_S8 +_O2 ->_SO3}$

For the reaction $\ce{CH4 + 2O2 -> CO2 + 2H2O}$, what is the mole ratio of methane to water?

Which type of chemical formula represents the total number of atoms of each constituent element in one molecule of a compound?

In calculating the empirical formula mass, what step comes after determining the molar mass of each element in the compound?

Which type of formula represents the ratio of the elements present in a chemical compound?

What is the empirical formula of a compound if its molecular formula is C6H12O6?

When calculating the molecular formula from the empirical formula, what is done with the subscripts found in the empirical formula?

Which represents the percentage composition of elements in a compound?