HomeworkLib
Question

if 12 grams of He(Helium) gas were collected under a pressure of 1870 torr in a...

if 12 grams of He(Helium) gas were collected under a pressure of 1870 torr in a container that was 1.44 liters, calculate the temperature under ideal conditions and non ideal conditions

science   chemistry   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

pressure = 1870 torr = 2.46 atm

mass of He = 12 g

moles of He = 12 / 4 = 3 mol

volume = 1.44 L

P V = n R T

2.46 x 1.44 = 3 x 0.0821 x T

T = 14.38 K

temperature = 14.4 K

0 0
Add a comment
Know the answer?
Add Answer to:
if 12 grams of He(Helium) gas were collected under a pressure of 1870 torr in a...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • (2): A sample of helium at a pressure of 740. torr and in a volume of...

    (2): A sample of helium at a pressure of 740. torr and in a volume of 2.58 L was heated from 24.0 to 750 °c. The volume of the container expanded to 2.81 L. What was the final pressure (in torr) of the helium? (3): What volume in liters does 0.136 g of O2 occupy at 20.0 °C and 2.36 atm? (4): A gas sample weighing 1.67 g has a volume of 276 mL at 589 torr and 28 °C....

  • 1) Helium gas with a volume of 2.60 litres, under a pressure of 0.180 atmospheres at...

    1) Helium gas with a volume of 2.60 litres, under a pressure of 0.180 atmospheres at a temperature of 314 K, is warmed until both the pressure and the volume are doubled. Consider Helium as a (monoatomic) ideal gas. The molar mass of Helium is 4.00g/ mol. (a) What is the final temperature? (b) What is the mass of the gas in the container? (c) How many atoms of Helium are present in this sample?

  • A sample of gas occupies 19 L under a pressure of 1.3 atm. What would the...

    A sample of gas occupies 19 L under a pressure of 1.3 atm. What would the resulting valume be if the pressure were increased to 3.9 atm if the temperature did not change? Your Answer:Question 1 options: Question 2 A sample of CO2 occupies 200 ml at 373 K. At what temperature (in K) would it occupy 300 ml if the pressure did not change? Your Answer:Question 2 options: Question 3 A sample of Helium occupies 200 L at 30ºC...

  • 1) What is the temperature in K of an ideal gas where P = 676 torr,...

    1) What is the temperature in K of an ideal gas where P = 676 torr, n = 0.0362 mol, and V = 735.0 mL? 2) If the mass of the gas in the preceding problem is 29.4 g, what is the molar mass or molecular weight of the gas? 3) At a fixed temperature and number of moles, the initial volume and pressure of a helium gas sample are 238 mL and 685 torr, respectively. What is the final...

  • a sample of 12.8 liters of an ideal gas at 24.0 C and 745 torr is...

    a sample of 12.8 liters of an ideal gas at 24.0 C and 745 torr is compressed and heated so that the volume is 7.2 liters and the temperature 72.0 C. What is the pressure in the container in torr?

  • Please explain the process of solving the problem. 16) A gas cylinder contains only the gases...

    Please explain the process of solving the problem. 16) A gas cylinder contains only the gases radon, nitrogen, and helium. The radon has a pressure of 222 torr while the nitrogen has a pressure of 446 torr. If the total pressure inside the container is 771 torr, what is the pressure (in atm) that is due to the helium? 17) What is the temperature (in degrees C) of 2.48 moles of gas stored in a 30.0 L container at 1559...

  • Helium gas with a volume of 3.50 L , under a pressure of 0.190 atm and...

    Helium gas with a volume of 3.50 L , under a pressure of 0.190 atm and at a temperature of 45.0 ∘C, is warmed until both pressure and volume are doubled.What is the final temperature?How many grams of helium are there? The molar mass of helium is 4.00 g/mol.

  • 12. A sample of gas occupies 10.0 liters at 125 torr and 35°C. Calculate the pressure...

    12. A sample of gas occupies 10.0 liters at 125 torr and 35°C. Calculate the pressure in torr if the temperature is changed to 175°C while the volume remains constant.

  • The density of a gas under NORMAL conditions (STP, 273K and 1atm) is 2.4 grams/Liter. There...

    The density of a gas under NORMAL conditions (STP, 273K and 1atm) is 2.4 grams/Liter. There is an ideal gas inside a 20L volume container at a temp of 5 degrees celcius. The gas is allowed to leave the container, causing the pressure inside to decrease by 0.85 atm. (the temperature inside remains constant). What is the mass of the gas that is released?

  • 1. Consider a gas initially in a 3.0 L container at 483 torr and 200.0 K....

    1. Consider a gas initially in a 3.0 L container at 483 torr and 200.0 K. What temperature would be needed to change the volume to 4.0 L and the pressure to 555 torr? Report your answer to the nearest whole number (ones place). 2. A gas probe has extracted 2.000 L of a natural gas source at 10.00 oC. In the lab the gas occupies 10.00 L at 27.00 oC and 745 torr. What is the pressure of the...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT