Multiple Choice
Which of the following processes is an example of the Law of Conservation of Mass?
7. Gases
Gas Stoichiometry
Back7. Gases
Gas Stoichiometry
- Multiple ChoiceWhich of the following gases is not considered a greenhouse gas?
- Multiple ChoiceWhich of the following correctly describes how to calculate the mean and standard deviation of the sampling distribution for sample means?
- Multiple ChoiceWhich statement about effusion is false?
- Multiple ChoiceWhich of the following statements is correct regarding net diffusion?
- Multiple ChoiceDuring photosynthesis, which gas is released by plants into the atmosphere?
- Multiple ChoiceWhich of the following processes releases carbon dioxide into the atmosphere during gas evolution reactions?
- Multiple ChoiceWhich process helps remove carbon dioxide from the atmosphere, demonstrating the Law of Conservation of Mass?
- Multiple Choice
The metabolic breakdown of glucose (C6H12O6) (MW:180.156 g/mol) is given by the following equation:
C6H12O6 (s) + 6 O2 (g) → 6 CO2 (g) + 6 H2O (l)
Calculate the volume (in mL) of CO2 produced at 34°C and 1728.9 torr when 231.88 g glucose is used up in the reaction.
- Multiple Choice
The oxidation of phosphorus can be represented by the following equation:
P4 (s) + 5 O2 (g) → 2 P2O5 (g)
If 1.85 L of diphosphorus pentoxide form at a temperature of 50.0 ºC and 1.12 atm, what is the mass (in g) of phosphorus that reacted?
- Multiple Choice
Determine the mass (in grams) of water formed when 15.3 L NH3 (at 298 K and 1.50 atm) is reacted with 21.7 L of O2 (at 323 K and 1.1 atm).
4 NH3 (g) + 5 O2 (g) → 4 NO (g) + 6 H2O (g)
- Open Question
4.58 L of O2 was formed at P = 745mmhg and T = 308K. How many grams of Ag2O decomposed?
- Open Question
What volume of carbon dioxide (CO2) will be produced if 2.90 moles of iron (Fe) is produced?
- Open Question
What volume of oxygen gas, in milliliters, is required to react with 0.640 g of SO2 gas at STP?
- Multiple ChoiceA cylinder with a movable piston contains 0.553 mol of gas and has a volume of 253 mL. What is its volume if we add 0.365 mol of gas to the cylinder, assuming temperature and pressure remain constant?