3 years ago

According to the law of conservation of energy, which statement must be

Physics

1 answer:

motikmotik3 years ago

4 0

Answer:

i hope it will help you

THANK YOU

Explanation:

thank you

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Our data are,

State 1:

$P_1= 10psi=68.95kPa\\V_1 = 1ft^3=0.02831m^3\\T_1 = 100\°F = 310.93K$

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Because of the pressure, temperature and volume ratio of state 1 and 2, we have to

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$W = m C_v = 0.718 \Delta T +dw\\dw = W - mv\Delta T\\dw = 3.16-(0.0218*0.718)(454.127-310.93)\\dw = 0.765kJ=0.72BTU$

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