Problem: A balloon filled with helium occupies 20.0 L at 1.50 atm and 25°C. How many moles of helium will there be in the balloon at STP?A. 22.4 molesB. 1.12 molesC. 0.0446 molesD. 0.893 molesE. 1.23 molesF. 4.55 moles

FREE Expert Solution
87% (202 ratings)
Problem Details

A balloon filled with helium occupies 20.0 L at 1.50 atm and 25°C. How many moles of helium will there be in the balloon at STP?

A. 22.4 moles

B. 1.12 moles

C. 0.0446 moles

D. 0.893 moles

E. 1.23 moles

F. 4.55 moles

Frequently Asked Questions

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Standard Temperature and Pressure concept. You can view video lessons to learn Standard Temperature and Pressure. Or if you need more Standard Temperature and Pressure practice, you can also practice Standard Temperature and Pressure practice problems.

What is the difficulty of this problem?

Our tutors rated the difficulty ofA balloon filled with helium occupies 20.0 L at 1.50 atm and...as medium difficulty.

How long does this problem take to solve?

Our expert Chemistry tutor, Sabrina took 3 minutes and 58 seconds to solve this problem. You can follow their steps in the video explanation above.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Fakhreddine's class at TEXAS.