Question

How many grams of He are necessary to fill a balloon having a volume of 4.5E3...

How many grams of He are necessary to fill a balloon having a volume of 4.5E3 mL to a pressure of 1.14E3 torr at 25.0ºC?

0 0
Add a comment Improve this question Transcribed image text
Know the answer?
Add Answer to:
How many grams of He are necessary to fill a balloon having a volume of 4.5E3...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

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
  • How many grams of methane gas were used to fill a balloon to a volume of...

    How many grams of methane gas were used to fill a balloon to a volume of 3.0 L at STP?

  • Homework to 1. How many grams of 75% solution can you prepare from 12.300g of glucose?...

    Homework to 1. How many grams of 75% solution can you prepare from 12.300g of glucose? 2. How many g of Na S, are in 125ml of 0.25M solution? 3. How many grams of water do you need to add to 350g of 15% solution to prepare 6.0% solution? 4. Please assign a physical state fitting this description: - constant volume, variable shape: - variable volume, variable shape - constant volume, constant shape 5. You fill a party balloon with...

  • A weather balloon is helium filled to a volume of 7240ft3. Calculate the number of grams...

    A weather balloon is helium filled to a volume of 7240ft3. Calculate the number of grams of helium required to inflate this balloon to a pressure of 745 torr at 21 degrees Celsius.

  • How many moles of a gas fill a flask with a volume of 145 mL at...

    How many moles of a gas fill a flask with a volume of 145 mL at 99 degree C and a pressure of 757 torr? If a student finds the molecular weight of an unknown liquid to be 111 g/mole and the molecular formula of the liquid is CHCl_3, what is the percent error in the student's molecular weight?

  • A balloon is filled with He gas at 293K and 0.35 atm to a volume of...

    A balloon is filled with He gas at 293K and 0.35 atm to a volume of 355 ml. How many moles of He gas molecules are in the balloon?

  • I need help in these questions: please help ! 1. A balloon containing 157 moles of...

    I need help in these questions: please help ! 1. A balloon containing 157 moles of ammonia gas has an initial volume of 60.0 mL at a temperature of 80.0 C. What is its final temperature when the volume is reduced to 50 mL? 2. An atmospheric sample contains nitrogen at 554 torr, carbon dioxide at 170 torr and oxygen. Assuming STP conditions and a total of 10.0 moles of the gas mixture, what is the partial pressure of oxygen...

  • a balloon sample of helium has a volume of 550 mL at a pressure of 1.0...

    a balloon sample of helium has a volume of 550 mL at a pressure of 1.0 atm. assuming no change in temperature or amount of helium what is the new volume in mL if the pressure drops to 8.5 psi? Question 29 Given 1 atm = 760 torr = 760 mmHg = 14.7 psi. A balloon sample of helium has a volume of 550 mL at a pressure of 1.0 atm. a. Assuming no change in temperature or amount of...

  • A weather balloon with 1.00 L of He at a temperature of 20 degrees celsius and...

    A weather balloon with 1.00 L of He at a temperature of 20 degrees celsius and an atmospheric pressure of 735 torr is released into the air. If the pressure drops to 15 torr and the temperature drops to -15 degrees celsius, what will the new volume of the He be?

  • A 1.2 mol sample of Kr has a volume of 867 mL. How many moles of...

    A 1.2 mol sample of Kr has a volume of 867 mL. How many moles of Kr are in a 3.22 L sample at the same temperature and pressure? A 8.90 mol sample of freon gas was placed in a balloon. Adding 3.50 mol of freon gas to the balloon increased its volume to 13.4 L. What was the initial volume of the balloon? A mixture of He Ne, and Ar has a pressure of 20.7 atm at 28.0 °C....

  • 1.A weather balloon contains 1.10X10^5 moles of He, an ideal gas. At standard pressure, the volume...

    1.A weather balloon contains 1.10X10^5 moles of He, an ideal gas. At standard pressure, the volume of the balloon is 2.70X10^6 L. what is the temperature of the He in the balloon in C? 2. Scuba divers breath a mixture of helium and oxygen gasses for dives in excess of 150 feet. If 15.68 grams of oxygen gas and 7.60 grams of helium gas are both added to a 5.00 L SCUBA tank at room temperature, what will be 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