mariamehab mariamehab

11-11-2020
Chemistry

contestada

A balloon filled with helium floats in the air. What does this tell you about the density of helium?

Respuesta :

11-11-2020

Answer:

helium is denser than air

Answer Link

masetheface masetheface

11-11-2020

Answer:

For air, which has a molar mass of 29.0 g/mol, this gives a density of 1.18 g/l. Helium, which has a mass of 4.00 g/mol, has a density of 0.164 g/l.

Answer Link

Otras preguntas

What were Andrew Jackson's accomplishments as president?

WHAT IS A GOOD PERSONIFICATION POEM ABOUT THE FIRST DAY OF SCHOOL!!!!!

what tells you which operation to perform first... I really need the answer like now!! thank you!

What is 0.0000465 written in scientific notation

Why's it possible for many different species to live together in one ecosystem?

Stanley puts $100 in the bank for two years at 5 % interest compounded annually. At the end of the two years, what is his balance?

Can someone please explain how I would figure this out

Find the greatest common factor (gcf) of 15 and 35

How much force is needed to accelerate a 68 kilogram-skier at a rate of 1.2 m/sec^2?

What are two equivalent fractions for 2/10, three equivalents fractions for 3/11 and three equivalent fractions for 1/12?