Wilkey3sicBatti Wilkey3sicBatti

02-06-2016
Chemistry

contestada

What volume measured in stp will 3.75 grams of helium gas occupy?

Respuesta :

Willchemistry Willchemistry

02-06-2016

Molar mass helium gas :

He = 4.0 g/mol

number of moles: 3.75 / 4.0 => 0.9375 moles

1 mole ------ 22.4 ( at STP)
0.9375 ------ ?

volume = 0.9375 x 22.4 / 1

Volume = 21 / 1

Volume = 21 L

hope this helps!

Answer Link

Otras preguntas

Trent made a scale drawing of the elementary school. The schoolyard, which is 85 meters wide in real life, is 102 millimeters wide in the drawing. What scale di

Remember that eutrophication is the natural process by which a body of water gains an abundance of nutrients. Explain the distinction between eutrophication and

Can someone help me out im in a benchmark

2. Jessica's financial advisor believes that she should spend no more than 28% of her gross monthly income for housing. She has determined that amount is $1,600

What must be true for an animal to be classified as legal game? be a carnivore or omnivore be useful, primarily for food be easy for hunters to track be located

Lines of latitude are measure in _____________. A) seconds B) miles C) degrees D) minutes please help meeeeee!

A person burns 2000 J of energy running 50 meters in 17 seconds at a constant velocity. What was the average force they applied?

change the mixed number 4 9/16 to an improper fraction

Select the correct answer. Why did activists cross the Edmund Pettus Bridge near Selma, Alabama, In 1965? to help enforce equal housing to oppose school segreg

6.) -2x + y = -1 X Y -4 -3 -2 1 0