under these conditionsis v . Ifnow the volume and pressure are changed to2 V and

Question

under these conditionsis v. Ifnow the volume and pressure are changed to2V and2P, theaverage

speed of a molecule willbe:

5)

A) v/4 B)1/2 v C)2v D) v E)4v

Situation 19.2

An adiabatic process is performed on15 moles of an ideal gas. The initial temperature is 320 K and theinitial volume is

0.80 m3. The final volume is 0.40 m3.The adiabatic constant for the gas is 1.44.

A) zero B) -24C) +32D) +14E) -32

4) In Fig. 19.2, an ideal gas is carried around the cyclic process. How much work is done in one cycle if Po = 7atm. and Vo = 6.00 liters? A) 7980 J B) 4240 J C) 1700 J D) 8480 J E) 17,000J 5) An ideal gas is held in a container of volume V at pressure P. The average speed of a gas molecule under these conditions is v. If now the volume and pressure are changed to2V and2P, the average speed of a molecule will be: 5) A) v/4 B)1/2 v C)2v D) v E)4v Situation 19.2 An adiabatic process is performed on15 moles of an ideal gas. The initial temperature is 320 K and the initial volume is 0.80 m3. The final volume is 0.40 m3.The adiabatic constant for the gas is 1.44. 6) In Situation 19.2, the work done by the gas, in kJ, is closest to:6) A) zero B) -24C) +32D) +14E) -32

Explanation / Answer

Work done W = area inside the square                        = ( 2P-P ) * ( 2V -V )                        = PV                        = 7 atm * 6 L                        = 7 * 101.3 * 10 ^ 3 * 6 * 10 ^ -3 m ^ 3                        = 4254.6 J option ( B ) is correct

Related Questions

Navigate

• Browse (All)
• Browse U
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.