toril731 toril731

14-02-2017
Chemistry

contestada

How many helium atoms are there in a helium blimp containing 539
kg
of helium?

Respuesta :

KayTerw6 KayTerw6

14-02-2017

The atomic mass of helium is 4.002642g/mol
(542000g)/(4.002642g/mol)*6.02*10^23 = 8.15*10^28 atoms
If you don't understand comment, not everyone understands what the / and * mean ^.^

Answer Link

Otras preguntas

Congress shall make no law respecting an establishment of religion, or prohibiting the free exercise thereof; or abridging the freedom of speech, or of the pres

What purpose does the bobbin serve on a sewing machine?.

Your friend shows you the image below and claims that it shows the process of mitosis. why is he or she wrong? (3 reasons)

Water is boiled to make steam to turn a generator to send power to a house. the energy conversions involved include ___________________

Most of the mass of the milky way exists in the form of.

WILL GIVE BRAINLIESTTT, FIVE STARS, AND THANKS can someone explain this to me and what the question means and is asking?

How did Rutherford B. Hayes win the election of 1876?

Find the surface are of the rectangular prism below.

Critically discuss five ways or conditions in which media may find itself failing to report on acts of fraud and corruption

Steve is turning half of his backyard into a chicken pen. His backyard is a 24 meter by 45 meter rectangle