Unit 07 Part I Recovery Flashcardizz 5th Period

Front

What is the balanced chemical equation for the decomposition of potassium chlorate?

Back

2 KClO3 → 2 KCl + 3 O2

Front

How many moles of oxygen are produced from the decomposition of 6.7 moles of KClO3?

Back

10.1 moles of O2

Front

What do mole ratios represent in a chemical reaction?

Back

Mole ratios are obtained from the balanced chemical equation.

Front

What is the balanced equation for the reaction of sodium with water?

Back

2Na + 2H2O → 2NaOH + H2

Front

How many grams of hydrogen are produced from 120 g of sodium in the reaction with water?

Back

5.2 g of H2

Front

In the equation 2 Al2O3 → 4 Al + 3 O2, what is the mole ratio of aluminum to oxygen?

Back

4:3

Front

What is the definition of theoretical yield in a chemical reaction?

Back

The maximum amount of product that could be obtained in a chemical reaction.

Front

What is the difference between actual yield and theoretical yield?

Back

Actual yield is the amount of product obtained from a reaction, while theoretical yield is the maximum possible amount.

Front

What is a mole in chemistry?

Back

A mole is a unit that measures the amount of substance, equivalent to 6.022 x 10^23 particles.

Front

How do you calculate the molar mass of a compound?

Back

Add the atomic masses of all the atoms in the compound's formula.