a sample of methane gas (ch4) with a mass of 58 g is kept in a 1.5 L container at a temperature of 373 K. what is the pressure of the gas?

Given :

A sample of methane gas (CH₄) with a mass of 58 g is kept in a 1.5 L container at a temperature of 373 K.

To Find :

The pressure of the gas.

Solution :

Moles of methane :

We know, by ideal gas equation :

PV = nRT

Here, R is ideal gas equation,

So,

Hence, this is the required solution.

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the density of gold = 19.3 g/cm3

the relation between density and mass and volume is

density = mass / volume

given :

mass of gold = 13 g

density = 13g / volume = 19.3

volume = 13 /19.3 = 0.67 cm^3

thus volume of gold nugget = 0.67 cm^3