Question

D Question 13 If the number of moles of gas initially contained in a 2.10 L vessel is tripled, what is the final volume of the gas in liters? 06.30 O 4.20 None of the proposed answers O 8.40 0.525 Question 14 If the volume of a confined gas is quadrupled while its temperature remains constant, what change will be observed? The pressure of the gas will quadruple The average velocity of the molecules will quadruple The density of the gas will decrease to its original value The average velocity of the molecules will double The pressure of the gas will decrease to its original value

13-18 please

Answer 1

As per HOMEWORKLIB POLICY, I can only answer the first question:

13) According to Avogadro's law, at constant Temperature and Pressure,

V/N = constant.

where,

V is the volume occupied by N moles of gas.

So, we have

V1/N1 = V2/N2, Where V1 and N1 represent initial volume and number of moles, and V2 and N2  represent final volume and number of moles.

So,

V2 = (N2/N1) * V1

= 3 * 2.10 L

= 6.30 L (answer) Option A