A gas sample has a volume of 126 mL at 58.0°C. What is the volume of the gas at 118°C?
Select the correct answer below:
O 168 mL
67.2 mL
they
O 149 mL
O 107 mL

Respuesta :

The volume of the gas at 118°c is 256.34 ml

The calculation can be done as follows

The first is to write out the parameters

(V1)First volume= 126 ml

(T1)First temperature= 58°C

(T2)second temperature= 118°C

(V2)second volume= ?

The formular is

V1/T1= V2/T2

126/58= V2/118

Cross multiply

58 ˣ V2= 126 ˣ 118

58 ˣ V2= 14868

V2= 14868/58

V2= 256.34 ML

Hence the second volume is 256.34 ml

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Answer:

149ml

Explanation:

V1/V2 = V2/T2

V2 = V1 *T2 / T1

= 126 mL * 391 K / 331 K

= 149 mL