30 Questions
What is the ideal gas law equation?
P1V1 n1T1 = P2V2 n2T2
What is the temperature in Kelvin when the temperature in Celsius is 25°C?
298 K
What is the volume of 49.8 g of HCl at STP?
30.7 L
What is the final pressure of argon in the lightbulb?
1.48 atm
What happens to the volume of a gas when its temperature is increased, while its pressure remains constant?
It increases
What is the volume of the balloon when the temperature in the car reaches 90°C?
2.38 L
What is the new volume of air trapped in the tube?
0.0105 L
What is the volume of the balloon when the temperature in the car reaches 90°C?
2.45 L
What is the pressure of O2 in the steel tank?
Cannot be determined with the given information
What happens to the volume of a gas when its pressure is increased, while its temperature remains constant?
It decreases
What is the relationship between the pressure and temperature of a gas?
Directly proportional
What is the volume of the helium-filled balloon at the top of Mt. Hood, Oregon’s highest mountain?
Cannot be determined with the given information
What is the relation between volume and pressure of a gas at constant temperature?
Volume is inversely proportional to pressure
What is the pressure of the chlorine gas in mmHg if the volume is reduced from 946 mL to 154 mL at constant temperature?
1452 mmHg
What is the unit of pressure that is equivalent to 760 mmHg?
1 atm
What is the relation between volume and temperature of a gas at constant pressure?
Volume is directly proportional to temperature
What is the relationship between the volume of a gas and its temperature at constant pressure?
The volume of the gas decreases as the temperature decreases
What is the pressure of the CO2 gas in atmospheres?
0.3834 atm
What is the formula to convert Celsius to Kelvin?
T (K) = t (°C) + 273.15
What is the state of matter characterized by a fixed volume and a fixed shape?
Solid
What is the relationship between the volume of a gas and the number of moles of the gas at constant temperature and pressure?
The volume of the gas is directly proportional to the number of moles
What is the standard molar volume of an ideal gas at STP?
22.4141 L
What is the value of the universal gas constant R in atm·L/mol·K?
0.0821 atm·L/mol·K
What is the equation that relates the volume of a gas to the number of moles of the gas, the temperature, and the pressure?
PV = nRT
What is the molecular weight of potassium chloride?
74.55 g/mol
What is the volume of CO2 produced at 37°C and 1.00 atm when 5.60 g of glucose are used up in the reaction?
4.76 L
What is the amount of chlorine gas in moles when 5.25 L of chlorine gas at 0.950 atm and 293 K reacts with 17.0 g of potassium metal?
0.207 mol
What is the mass of potassium chloride formed when 5.25 L of chlorine gas at 0.950 atm and 293 K reacts with 17.0 g of potassium metal?
30.9 g KCl
What is the temperature in Kelvin of the reaction between chlorine gas and potassium metal?
293 K
What is the mole ratio of potassium chloride to chlorine gas in the balanced equation Cl2 (g) + 2K (s) → 2KCl (s)?
2:1
This quiz covers the basics of gases, including states of matter and a problem involving CO2 pressure calculation. Topics are based on multiple textbooks and internet sources.
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