garciaM6616 garciaM6616

02-08-2022
Chemistry

contestada

What is the mass of 4. 00 moles of helium, the gas commonly used to fill party balloons and lighter-than-air ships?

Respuesta :

sreyn956 sreyn956

02-08-2022

16g.

mol=gram/molar mass
4.00mol=g/4.0 molar mass of Helium
4mol*4g/mol= 16grams

Answer Link

Otras preguntas

A substance that does not conduct electricity as a solid but does conduct electricity when melted is most likely classified as (1) an ionic compound (2) a molec

what is the percent change of 92 to 69

Which of the following is not a reason that small societies can maintain stability in the long term better than larger societies a.Smaller societies have a smal

The two forms of oxygen, O2(g) and O3(g), have (1) different molecular structures and identical properties (2) different molecular structures and different prop

At room temperature, a mixture of sand and water can be separated by (1) ionization (3) filtration (2) combustion (4) sublimation

Jamie ran 1/5 of a relay. She ran 3/4 of a mile. How long was the relay? (I'm guessing in miles)

What is the domain and range of y = x+1/x-1

Which statement correctly describes diamond and graphite, which are different forms of solid carbon? (1) They differ in their molecular structure, only. (2) The

Given the balanced equation: 2C + 3H2==> C2H6 What is the total number of moles of C that must completely react to produce 2.0 moles of C2H6? (1) 1.0 mol (3)

What is the formula for ANOVA