vxdk9qxkhb vxdk9qxkhb

14-04-2021
Chemistry

contestada

One liter of helium gas has a mass of 2.3 grams at STP. True or false

Respuesta :

waveslife waveslife

23-05-2022

Answer:

n=V/Vm

n=1/22.4

n=0.044 moles He

m=n×M

m=0.044×4

m=0.178 g False

Answer Link

Otras preguntas

Universal pet house sells vinyl doghouses and treated lumber doghouses. It takes the company hours to build a vinyl doghouse and hours to build a treated lumber

____a type of cell division that reduces chromosome number from diploid to haploid, reduction division

which datsun touring car was known as having ""the heart of the z"" when it was launched in 1979?

having difficulty seeing objects on her right. her neurosurgeon suspects that she might have damage to her

write the ratio 2:8 in the form of 1:n

If you go to the movie theater and eat a large bag of popcorn with salt, after few minutes, your plasma salt concentration will o increase O decrease. o be at t

3) Little bunny FooFoo was hopping through the forest with a velocity of 1.5 m/s. The good fairy came down for the 3rd time so FooFoo accelerated at 8.0 m/s2 fo

Determine the percentage of a circle's circumference cut off by an angle that has a measure of 16 degrees plus 0.3 radians. ___% b. The measure of this angle is

Fill in the blanks with the present tense form of estar in the first blank, and the appropriate adjective from the cues in the second blank. Follow the model. M

Emma is a 17-year old who is very fashion conscious. She constantly complains to her friends that she is putting on too much weight. She has cut down on her mea