Test #3 Honors Review 2023

Front

What is the balanced chemical 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?

Back

5.2 g

Front

What is the balanced equation for the decomposition of sodium chlorate?

Back

2 NaClO₃ (s) → 2 NaCl (s) + 3 O₂ (g)

Front

How many grams of O₂ are produced from 12.00 moles of NaClO₃?

Back

576 g

Front

What is the relationship between pressure and volume of a gas?

Back

Boyle's Law states that pressure and volume are inversely related.

Front

If the pressure on 350 L of oxygen is decreased from 720 mm Hg to 600 mm Hg, what is the new volume?

Back

420 L

Front

What causes gas pressure?

Back

Gas pressure is caused by gas molecules colliding with the walls of the container.

Front

What is the balanced equation for photosynthesis?

Back

6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂

Front

How many moles of water are needed to produce 2.5 moles of glucose?

Back

15 moles of water are needed.

Front

Define molar mass.

Back

Molar mass is the mass of one mole of a substance, typically expressed in grams per mole (g/mol).