Работа выхода электрона из натрия равна 3*10^-19 Дж. Найдите красную границу фотоэффекта для натрия.​

Газ получает теплоту при переходе из состояния 3 в 1 и 1 в 2, это будет теплота полученная нагревателем. На участке 2-3 газ отдает тепло холодильнику

Работа участка 1-2 равна 2P(3V-V) = 4PV следовательно PV = A12/4

Qн = Q12 + Q31 = U12 + A12 + U31 = 3/2*γR(T2-T1)+A12+3/2*γR(T1-T3)=

3/2 * 6PV - 3/2 * 2PV + A12 + 3/2 * 2PV - 3/2 * PV =  15/2 * PV + A12 = 15/2 PV + 4PV = 23/2 * PV

Полная работа равна A = (3V-V)(2P-P)/2 = PV, A = Qн - Qх

Qx = Qн - A

Qх = 23/2 * PV - PV = 21/2 PV  = 22 * A12/8

Qх = 22 * 5000/8 = 13750 Дж

GG from Shahs of sunset Blvd suite--6655566_6&?88&&7"8"86")-_'--66ttyu huh huh huh huh huh the phone and email address is no need for speed world

Объяснение:

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