Other Chemistry Answers

What is the final volume of a system that has the volume increased from 3.16l to 6.97l with an initial pressure of 3.38atm?

What is the name of the solute in a colloidal solution?

10HI + 2KMnO4 + 3H2SO4 -> 5I2 + 2MnO4 + K2SO4 + 8H2O
According to the balanced equation above, how many miles of HI would be necessary to produce 2.5 mol of I2, starting with 4.0 mil of KMnO4 and 3.0 mol og H2SO4?

The temperature of a 3.0L sample of gas is lowered from 350K to 275K. What will be the resulting volume of the gas?
Law being used: ___________ FORMULA WORK ANSWER
Given 1:__________
Given 2:__________
Given 3:__________

A sample of gas has a pressure of 4.5 atm and a temperature of 325 K. What will be a new pressure if the temperature is
raised to 500K?
Law being used: ___________ FORMULA WORK ANSWER
Given 1:__________
Given 2:__________
Given 3:__________

16: A fluorinated organic gas in a cylinder is compressed from an initial volume of 950 mL at 158 Pa to 494 mL at the same temperature. What is the final pressure? Answer in units of Pa.
17: The pressure on a gas at −51◦C is doubled, but its volume is held constant. What will the final temperature be in degrees Celsius? Answer in units of ◦C.
18: A sample of a gas occupies 1810 mL at 319◦C and 740 torr. At what temperature would it occupy 1586.8 mL if the pressure is kept constant? Answer in units of ◦C.
19: A meteorological balloon contains 124 L of He at 26◦C and 0.955 atm. It will burst if the volume reaches 358 L. At what temperature will the balloon burst if its pressure at that bursting point is 0.497 atm? Answer in units of ◦C.

13: A sample of carbon dioxide gas occupies 584 mL at 0.856 atm and 10 ◦C. What will the pressure be at a volume of 835 mL and a temperature of 24 ◦C? Answer in units of atm.
14: At 110◦C, the pressure of a sample of nitrogen is 1.78 atm. What will the pressure be at 267◦C, assuming constant volume? Answer in units of atm.
15: Suppose that 5.6 L of methane at a pressure of 876 Torr is transferred to a vessel of volume 4.1 L. What is the final pressure of methane if the change occurs at constant temperature? Answer in units of Torr.

6: An empty aerosol-spray can at room temperature (20 ◦C) is thrown into an incinerator
where the temperature reaches 605◦C. If the
gas inside the empty container was initially at
a pressure of 1 atm, what pressure did it reach
inside the incinerator? Assume the gas was at
constant volume and the can did not explode.
Answer in units of atm.
9: To what temperature must a sample of helium
gas be cooled from 111◦C to reduce its volume
from 4.7 L to 0.77 L at constant pressure?
Answer in units of K.
11: A 757 mL gas sample at STP is compressed to
a volume of 275 mL, and the temperature is
increased to 34◦C. What is the new pressure
of the gas in Pa?
Answer in units of Pa.

The pressure of a sample of helium in a 1.0L container is 0.98 atm. What is the new pressure if the sample is placed in a 2.0
L container?
Law being used: ___________ FORMULA WORK ANSWER
Given 1:__________
Given 2:__________
Given 3:__________

2: An aerosol can contains gases under a pressure
of 4.6 atm at 23 ◦C. If the can is left on a
hot sandy beach, the pressure of the gases
increases to 4.78 atm. What is the Celsius
temperature on the beach?
Answer in units of ◦C
4: The volume of a gas is 22.6 mL at 46◦C and
0.82 atm. What will the volume be at 15◦C
and 0.996 atm?
Answer in units of mL. 5: The volume of a gas at 25◦C and 0.29 atm
is 83 mL. What volume will the same gas
sample occupy at standard conditions?
Answer in units of mL.
6: A sample of an ideal gas occupies 215 mL at
31.2
◦C and 714 torr.
What is its volume at STP?