Chemistry, 14.01.2020 20:31 lily3934

Calculate the mass of a gas with a density of 0.0065 g/cm3 and volume of 260 cm3.

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Answer from: lolweapon

Mass=Density*Volume
260 * 0.0065=1.69
Final
1.69g

Answer from: Jennifer2019

There are numerous information's already given in the question. Based on these information's the answer to the question can be easily determined.
Density of the gas = 0.0065 g/cm^3
Volume of the gas = 260 cm^3
Then
Mass of the gas = Volume * density
= 0.0065 * 260 g
= 1.69 g
From the above deduction, we can conclude that the mass of the gas is 1.69 g. I hope the answer helps you.

Answer from: Quest

while cooking a piece of 1/2 pound beef steak, a cast iron pan (2.4kg in weight) was heated 260 celsius.

Answer from: Quest

answer : (a) volume of the gas = 8.67 × $10^{-3}$ l

(b) second virial coefficient b = -1.21226 l/mole

solution : given, t = 300k

p = 20atm

z = 0.86

n = 8.2 mmoles = 8.2 × $10^{-3}$ moles

r = 0.082 l atm/k/mol

find, (a) volume of gas and (b) second virial coefficient b at 300k.

formula used : $z=\frac{pv}{nrt}$

and $z=1+\frac{b}{v}$

(a) $z=\frac{pv}{nrt}$

$v=\frac{znrt}{p}$

= $\frac{0.86\times 8.2\times[tex]10^{-3}$ \times 0.082\times 300}{20}[/tex]

= 8.67 × $10^{-3}$ l

(b) $z=1+\frac{b}{v}$

$b=(z-1)v$

= (0.00867-1) × 8.659

= - 8.5839 l/mole

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Calculate the mass of a gas with a density of 0.0065 g/cm3 and volume of 260 cm3....