15.25: A gas undergoes 2pch s7yvytzl//lk p0(b:;0yrj pmc3aj+b/e 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 feelso/ , fcj5xtq:hz/ g qrm+ixm/- cool. This is becz cqq/t+/g5/fxim:om ,hrj -xause

  94.35: A gas can be taken from state a to c :1e j 9w(o81o ncdeyinuk,e*mby two different reversible processes, 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 ou 1*, (wmkc nie:een1d9ojy8to the system. How much work is done by the system during a→b→c?

  06.26: In the Pressure versus 1ohqb;qs8r;tVolume graph shown, 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, what is th 1tq 8;;sohbrqe total heat added?

  96.22: When an ideal gas is isothermally compoh;7robz)y (q ic 90ycressed:

  97.15: Which of the following is always true for ayg wqykgkh dt03+o799 n isothermal process of an ideal gas?y99ygdotq k7wh3k +g 0

  13.31: A monatomic ideal gas undergoes a4c64x4gd q wdb reversible isothermal expansion in an enclosed container. Which one of the following quantities associated with the gas has a value qdbd4 x4gcw46of zero?

  09.33: An ideal gas undergoesy76mwvl humo2s zbztov 7-266 an isobaric expansion followed by an isochoric cooling. Which of the following statements must be true after the completio-ob 726hs 2zu7tzmlv6w vmoy6 n of these processes?

  11.44: One mole of a monatomic ideal gas undergoes an isobaric expansi4tgj711q :g zwwmfe 2*; tgphu6x7htvon. In the process, the temperature of the gas increases from 300 K to 500 K. Which one of the following choices best represents the amount of work done by the gas on the surrou qtg74e7uvz1gpg6*tth1w: f hx2;wm jndings?

  14.46: A monatomic, ideal gas undergoes an isobaric process. During the process,y,:c pfkf1b3vin j)3 z the gas performs 80 joules of work on the surroundings. Which one of the following statements best describes the heat exchange dk3yibzf:c3 fv,n jp1) uring this process?

  07.40: Which is not true of an iso9nf+ 1ebl 6zowchoric process on an enclosed ideal gas in which the p+zlwnb91o6 e fressure decreases?

  15.47 One mole of a diat y/ j47 r;c5t sgnvn9;u -dzixh/qrvw7omic ideal gas undergoes a reversible adiabatic process. The pressure and volume initially are given 7q znr cyjnd94x;vrgts/ i w;7-5uv/h as P = 2.0 atm and V = 30 L. If the volume is halved during the adiabatic process, how much work was done on the gas sample by the surroundings?

  03.48: Two completely identvx4kbrog4u u b;;ty .5ical samples of the same ideal gas are in equal volume containers with the same pressure and temperature in containers labeled A and B. After the processes are performed ok u;v4yuxbrt; g5o4. bn 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 sh h47zx 8xdg ux+0ofs/nows four different possible reversible processes performed on a monatomic ideal gas. Process A is isobaric (constant pressure). Process B is isothermal (constant temperature). Process C is adiabatic. Process D is isochoric (constant volume). For which process(es) does the temperature of the gas d/8xghx s u0oxz4fnd7+ecrease?

  16.48: From a given state of P, V, and T for an ideal gas, which one of thrnb(83; uf (c6xz nogje following reversible processes has the most heat associated with gbf8 6unn;rcxoj(z(3 it?

  04.45: Container A hawab4- mzqig q,u9x8-b s a sample of monatomic ideal gas, while container B has a sample of diatomic ideal gas. The two gases start with the same initial temperature, bziqb g8-4mx w-qu9,avolume, pressure, and number of moles of molecules. 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 t/(cy hb*tu k -th*u*kideal gas has pressure P , volume V , and temperature T . Which of the following processes would result in the greatest amount of energy *u k*htyht(- b/cut* kadded to the gas from heat?

  13.48: Two identical sample 06a3.py,nmppq zw/zg )oq 3bks of a monatomic ideal gas are to undergo reversible processes. Which one of the following choices is a correct statement about the heat associated with tokmpzza qp3 w,)g3n. bp0q/ 6yhe processes?
Process 1: An isochoric pressure doubling
Process 2: An isobaric volume doubling