The volume of a gas is 22 mL at 44°C and0.905 atm. What will the volume be at 17°Cand 0.999 atm?Answer

3 answers
Question:

The volume of a gas is 22 mL at 44°C and
0.905 atm. What will the volume be at 17°C
and 0.999 atm?
Answer in units of mL.​

Answers

The volume will be 18,23 ml.

Explanation:

We use the gas formula, which results from the combination of the Boyle, Charles and Gay-Lussac laws. According to which at a constant mass, temperature, pressure and volume vary, keeping constant PV / T. We convert the unit Celsius into Kelvin: 0 ° C = 273K,  44+273=317K, 17+273=290 K. The volume in L= 22/1000= 0,022L

P1xV1/T1= P2xV2/T2

V2= ((P1xV1/T1)xT2)/P2

V2=((0,905 atm x 0,022L/317K)x 290K)/0,999atm= 0,01823 L

0,01823x 1000= 18, 23 ml

the potential energy of the reactants is 200j.

from the energy diagram, the energy of the product formed is 350j; this means that, this reaction is an endothermic reaction, because it absorbs energy from its environment.

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