Asked by college
My question is two parts
How many calories of heat energy would it take to heat 200 mL of water from 20C to 80C?
a) How long would it take to heat the water in the previous question using a heater with a power rating of 50W?
Looking for equations to solve this problem.
How many calories of heat energy would it take to heat 200 mL of water from 20C to 80C?
a) How long would it take to heat the water in the previous question using a heater with a power rating of 50W?
Looking for equations to solve this problem.
Answers
Answered by
bobpursley
a. heat= 200g*1cal/gC * 60C
b. heat=power*time
time= heat/power= above heat/power.
Well, at this point, you have to change calories to joules, as 50watts=50joules/sec
b. heat=power*time
time= heat/power= above heat/power.
Well, at this point, you have to change calories to joules, as 50watts=50joules/sec
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