djcloverman9225 djcloverman9225

07-09-2019
Chemistry

contestada

How many molecules of he are contained in a 10.0 l tank at 7.53 atm and 485 k?

Respuesta :

azanmada azanmada

07-09-2019

Answer:

1.126 x 10^22

Explanation:

pV = nRT

7.53 x 10 = n x 8.31 x 485

n = (7.53 x 10) / (8.31 x 485) = 0.0187 moles

M = n x Avogadros number

0.0187 x 6.02 x 10^23 = 1.126 x 10^22

Answer Link

Otras preguntas

Billy is monitoring the exponential decay of a radioactive compound. He has a sample of the compound in a test tube in his lab. According to his calculations, t

Someone help me please Thomas bakes specialty cakes. He uses many different containers of various sizes and shapes to bake the parts of his cakes. Select all o

What sport was originally played by native americans, and later adapted by french and canadian pioneers?

Please help with this math question

Bentley college launched a comprehensive diversity initiative, which includes frequent diversity retreats for faculty, staff, and student leaders. what basic ty

The intense fear of gaining weight associated with voluntary starvation is known as

Read the excerpt from Flannery O’Connor’s “The Life You Save May Be Your Own.” He held the pose for almost fifty seconds and then he picked up his box and came

Name a fruit that does not have the vowel a in it

Calculate the account balance for $800 left on deposit for 255 days earning 5.25% compounded daily.

A patient is brought into the clinic. Her skin is wrinkled and cold; her eyes are gray and she complains of having muscular cramps in her arms and legs and rice

good job