A 130 g copper bowl contains190 g of water, both at 20.0°C. Avery hot 300 g copp

Question

A 130 g copper bowl contains190 g of water, both at 20.0°C. Avery hot 300 g copper cylinder is dropped into the water, causingthe water to boil, with 5.85 g beingconverted to steam. The final temperature of the system is100°C. Neglect energy transfers with the environment. (a) How much energy (in calories) istransferred to the water as heat?
1 kcal

(b) How much energy (in calories) is transferred to the bowl?
2 kcal

(c) What is the original temperature of the cylinder?
3°C (a) How much energy (in calories) istransferred to the water as heat?
1 kcal

(b) How much energy (in calories) is transferred to the bowl?
2 kcal

(c) What is the original temperature of the cylinder?
3°C

Explanation / Answer

(a)    we use the equation from the theory toget the heat transferred to the water as    Qw = cw mwT + Lv ms          = .........cal (b)    the heat transffered to the bowl is    Qb = cb mbT           =......... cal (c)    let the original temperature of the cylinderbe Ti then we get that    Qw + Qb =cc mc (Ti - Tf)    solve for the original temperatureTi           =......... cal (c)    let the original temperature of the cylinderbe Ti then we get that    Qw + Qb =cc mc (Ti - Tf)    solve for the original temperatureTi

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