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How much heat is required to raise the temperature of 85 grams of water from 280 K to 342 K?\t5270 J\t355 J\t355 J\t151 J\t22029 J

thulasi , 5 Years ago
Grade 11
anser 3 Answers
Shivangi Khatter

Last Activity: 5 Years ago

dear student
the correct answer is(A)
Heat= mc deltaT = 85 1 62= 5270 J

Arun

Last Activity: 5 Years ago

Dear student
 
as 
Q = ms (delta T) =85 *10^-3 * 4.18*10^3 * 62 = 22029 J
 
Hope it helps
 
Regards
Arun

APARNA SHAJI

Last Activity: 5 Years ago

THE COORECT ANSWER IS A AS 
HEAT= MC DELTA T AND C FOR WATER IS 1.
SO 85*1*62=5270 J
PLS APPROVE IF IT HELPED U

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