A 0.2 kg glass cup at 20 C is filled with 0.4 kg of hot water at 70 C.Neglecting any heat losses to the environment,what is the equilibrium temperature?

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A 0.2 kg glass cup at 20 C is filled with 0.4 kg of hot water at 70 C.Neglecting any heat losses to the environment,what is the equilibrium temperature?

A 0.2 kg glass cup at 20 C is filled with 0.4 kg of hot water at 70 C.Neglecting any heat losses to the environment,what is the equilibrium temperature?
A 0.2 kg glass cup at 20 C is filled with 0.4 kg of hot water at 70 C.Neglecting any heat losses to the environment,what is the equilibrium temperature?

A 0.2 kg glass cup at 20 C is filled with 0.4 kg of hot water at 70 C.Neglecting any heat losses to the environment,what is the equilibrium temperature?
heat capacity of water is 1000 cal/(kg·℃)
0.2*(T-20)*1000 = 0.4*(70-T)*1000
T=53.3°C

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