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SOVA2 [1]
3 years ago
11

Select all the correct answers.

Physics
2 answers:
EleoNora [17]3 years ago
8 0
Correct me if I’m wrong, but I believe it’s A and D, though I’m not fully sure.
Mila [183]3 years ago
7 0
A and d i’m sure
good luck
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A 200g of iron at 120 degrees and a 150 g piece of copper at -50 degrees are dropped into an insulated beaker containing 300 g o
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Answer:

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Explanation:

given data:

copper specific heat = Sc = 0.385 J/g °C

iron specific iron = Si = 0.450 J/g °C

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(m*S*\Delta T)_{copper} +(m*S*\Delta T)_ {iron} +(m*S*\Delta T)_ {ethanol} = 0

150*0.385 *( T - (-50)) + 200*0.450*(T - 120) + 300*2.46 * (T -20) = 0

57.75( T - (-50)) + 0.90(T - 120) +738(T -20) = 0

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57.75T + 0.90T+738T = - 2887.5 + 108+14760

796.65T= 11980.5

T = 15.03°C

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