Gaseous and liquid states Questions and Answers

Based on the equations for today's reaction: 2 S₂O3²- + I2
Physical Chemistry
Gaseous and liquid states Solutions
Based on the equations for today's reaction: 2 S₂O3²- + I2 --> S40O6²- +2I- 2 Cu²+ + 4I- → 2 Cul (s) + I₂ How many moles of copper would be used in a reaction that needed 5 mol of S₂O3²-
Benzene has a boiling point of 80.1 °C, and a specific heat
Physical Chemistry
Gaseous and liquid states Solutions
Benzene has a boiling point of 80.1 °C, and a specific heat capacity of 1.8 J/g °C in the liquid phase and 1.92 J/g °C in the gas phase. The ΔHvaporization of benzene is 30.77 kJ/mol. How much heat is
How many moles of a gas must be placed in a 3.00 L container
Physical Chemistry
Gaseous and liquid states Solutions
How many moles of a gas must be placed in a 3.00 L container in order to exert a pressure of 2.00 atm at 25.0°C? 0.245 mol 0.289 mol 2.92 mol 0.00242 mol
The pressure of a gas is reduced from 1200.0 mmHg to 850.0
Physical Chemistry
Gaseous and liquid states Solutions
The pressure of a gas is reduced from 1200.0 mmHg to 850.0 mmHg as the volume of its container is increased by moving a piston from 0.085 L to 0.350 L. What would the final temperature be if the
If 1.0 L of gas at STP is compressed to 0.473 L. What is the
Physical Chemistry
Gaseous and liquid states Solutions
If 1.0 L of gas at STP is compressed to 0.473 L. What is the new pressure of the gas? 13.6 atm 2.7 atm 0.002 atm 2.11 atm
A balloon contains 7.2 L of Helium at 290 K. The pressure is
Physical Chemistry
Gaseous and liquid states Solutions
A balloon contains 7.2 L of Helium at 290 K. The pressure is reduced to 2.00 atm and the balloon expands to occupy a volume of 25.1 L. What was the initial pressure exerted on the balloon if the
Gases diffuse through polar liquids more quickly than they
Physical Chemistry
Gaseous and liquid states Solutions
Gases diffuse through polar liquids more quickly than they diffuse through other gases. True False
The solubility of oxygen gas in water is approximately
Physical Chemistry
Gaseous and liquid states Solutions
The solubility of oxygen gas in water is approximately 0.00498 g/L. when the temperature is 25.0°C and the partial pressure of gaseous oxygen is 756.8 torr. What will the solubility of oxygen (in g/L)
Sparkling water has carbon dioxide dissolved in water to
Physical Chemistry
Gaseous and liquid states Solutions
Sparkling water has carbon dioxide dissolved in water to give it a "fizz." Colder pop lets the carbon dioxide stay dissolved in the water for a longer time. In this situation the carbon dioxide is
Two flasks are connected with a stopcock. The first flask
Physical Chemistry
Gaseous and liquid states Solutions
Two flasks are connected with a stopcock. The first flask has a volume of 5 liters and contains nitrogen gas at a pressure of .75 atm. The second flask has a volume of 8 L and contains oxygen gas at a
How many moles of Compound X do you have if you contained
Physical Chemistry
Gaseous and liquid states Solutions
How many moles of Compound X do you have if you contained 5.00 L of it in a balloon, at a temperature of 400. K and a pressure of 1.05 atm? Based on your answer to part o, how many molecules of
Which of the following statements is not true of the phases
Physical Chemistry
Gaseous and liquid states Solutions
Which of the following statements is not true of the phases of a given substance? A. The particles of a liquid move past one another. B. The particles of a gas move quickly. C. Solids have strong