15.25: A gas undergoe;+r7 7atgbtnz r;ni-ss the unusual process M $\to$ N in the pressure vs. volume graph shown. Which one of the following choices properly represents the signs of the internal energy change of the gas $\Delta$U, the total energy transferred as heat to the gas Q, and the total work done on the gas by the surroundings W, for this process?

  03.28: When gas escapes from a pressurized cylinder, the stream of gas fee 76nnq ;5dhthl.z5amf*9rto f u*zhw (ls cool. This is t5t76zhq5fno*h;afnw.d(m * hluz r9because

  94.35: A gas can be taken from state a to c by two different reversible processek:b +slrm*y 3qs, a→c or a→b→c. During the direct process a→c, 20.0 J of work are done by the system and 30.0 J of heat are added to the system. During the process a→b→c, 25.0 J of heat are added to the system. How m lyqb*s +3m:kruch work is done by the system during a→b→c?

  06.26: In the Pressure versus Volume graph e7wva v6 -5l2ya o;hc xxpp8(ushown, in the process of going from a to b 60 J of heat are added, and in the process of going from b to d 20 J of heat are added. In the process of going a to c to d,pu( v7vx;xaho-l6ay2 c5pe8w what is the total heat added?

  96.22: When an ideal gas i ( fht5jr/cbssyl s.-*s isothermally compressed:

  97.15: Which of the following is aw bw5j1-zgp .hlways true for an isothermal process of an ideal hp-15.bwzgwj gas?

  13.31: A monatomic ideal gas undergoes a reversible isotherm6sx9 sn6 7:iq ) iwkugcu1blv*al expansion in an enclosed container. Which one of :wusk slbn7ii) uxc6*1qv69g the following quantities associated with the gas has a value of zero?

  09.33: An ideal gas undergoes an isobaric expansion followed by an isy t:n7s9sv5tfochoric cooling. Which of the following statements must be true after the completion of thtn7:y9 sft5vsese processes?

  11.44: One mole of a monatomic idealrugskv3w,0 (q gas undergoes an isobaric expansion. In the process, the temperature of the gas u0s3kw(,r q gvincreases from 300 K to 500 K. Which one of the following choices best represents the amount of work done by the gas on the surroundings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During tn:l 1 ih.seu.bhe process, the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heatnbh:uli.. 1e s exchange during this process?

  07.40: Which is not true of an isochoric process on an enclose s7v4c2isj)pu5sum /od ideal gas in which thepv 4cs uoj725 sm/i)su pressure decreases?

  15.47 One mole of a diatomic ideal gas undergoes a rcjstk8me -, :ze6e6l zeversible adiabatic process. The pressure and volume initially are given as P = 2.0 atm and V = 30 L. If the volume is halved during the adiabatic pz8c6 ,e-:klz6seje m trocess, how much work was done on the gas sample by the surroundings?

  03.48: Two completely identical samples of the uz-ry mjq:/)/inl fi:c/1 2tqpioak4 same ideal gas are in equal volume containers with the same pressure and temperature in containers labeled -c/1jqa qiiukm 2ptyi4:l/z :o/r) fnA and B. After the processes are performed on the gases in containers A and B, which is at the higher temperature?
The gas in container A performs non-zero work W on the surroundings during an isobaric (constant pressure) process before the pressure is reduced isochorically (constant volume) to 1/2 its initial amount.
The gas in container B has its pressure reduced isochorically (constant volume) to 1/2 its initial value and then the gas performs non-zero work W on the surroundings during an isobaric (constant pressure) process.

  05.38: The PV diagram shows four different possible reversibh(;jvj e8wxj/ le processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isoth( hx ;/vje8jwjermal (constant temperature). Process C is adiabatic. Process D is isochoric (constant volume). For which process(es) does the temperature of the gas decrease?

  16.48: From a given state of P, V, and T fo6n 7fn f+p8lzxdb/3 oqr an ideal gas, which one of the following reversible processes has the most heat associa b6p+qfndnf7zo8xl3 /ted with it?

  04.45: Container A has a sample of mona3b *y, pdixpm1tomic ideal gas, while container B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, volume, pressure, and number of moles of molecules. b*ip1p3y ,dxm Each gas now undergoes a reversible adiabatic process that cuts the pressure in half. Which sample of gas is now at the higher temperature?

  08.44: A mole of a monatomic ideal gas has pressure P , volume V , and jo x873b be( oocp4)l,bv7ybntemperature T . Which of the followi olbexb 4vy)bb j,3c(77nopo8 ng processes would result in the greatest amount of energy added to the gas from heat?

  13.48: Two identical samples of a monatomic ideal gas ar1ya77 chd p.cev y7t1re to undergo reversible processes. Which one of the following choic17pec.rdy cat17v hy7 es is a correct statement about the heat associated with the processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling