If pressure of one mol of gas is decreased 0.5 ATM at 273K what happens to the molar volume of the gas under these conditions
The molar volume is halved
The molar volume is doubled
The molar volume is tripled
The molar volume stays same

what are the two models

explanation:

number of molecules / avogadro's number * molecule molecular = mass

explanation:

we define a gram-molecular weight as the mass of one mole of any element or compound. a mole contains avogadro's number of units (molecules) –  

6.022

x

10

23

. so, dividing the number of molecules by avogadro's number gives us the number of moles. multiplying that by the molecular weight gives us the mass. from the periodic table we find the gram-molecular weight of u to be238 and of f to be19. so,  

u

f

6

will have a gram-molecular weight of 352g.

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