hfxnasergreeneyes426 hfxnasergreeneyes426

23-01-2017
Chemistry

contestada

The molar mass of a certain gas is 80.6 g. What is the density of the gas in g/L at STP?

Thanks for your help :)

Respuesta :

scme1702 scme1702

30-01-2017

Using the ideal gas equation:
PV = nRT

Substituting n with mass / Mr
PV = mRT/Mr

Density = m/V
So rearranging:
Density = PMr/RT

P = 1 atm
R = 0.082 L atm / K mol
T = 273 K
Density = (1 x 80.6) / (0.082 x 273)
Density = 3.6 g / L

Answer Link

Otras preguntas

What is the significance of Isaac's name?

In which of the following industries did Andrew Carnegie make his fortune? A. railroad B. banking C. steel D. oil

Calculate the resistance of a 1km length, 1mm diameter wire made from: a) constantan (\rho = 4.9 × 10-7 Ωm) b) copper (\rho = 1.7 × 10-8 Ωm) c) State which mat

Facts:if the crush you have on someone lasts for up to 4 months,it is to be called love. I hope this helps

Given the function f(x) = √x. If the function is shifted right 2 units, then shifted down 1.5 units and reflected about the x-axis, what is the equation of the

Find the equation of the line. Use exact numbers. y =__ x +__

The efficiency of any machine is 88,88% what does it mean?Please!! I need this urgently...!!

Which method of looking for the meaning of a word or phrase would be least helpful to a reader? 5 points Comparing the meaning with words that look the same Loo

define medicine with two example

Alistar is going to build fence around the outside of his gardena) draw an accurate scale drawing of the garden using a ruler and compasses.use scale 1 cm to 2m