An electric heater that produces 900 W of power is used to vaporize water. The amount water at 100 °C that can be changed to steam in 3 min by the heater is?
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Answer:
0.072kg
Explanation:
H=Pt
P=900w
t=3min
3*60=180s
H=900*180=162,000J
H=ml
162,000 = m*2.26*10^6
m=162,000/2.26*10^6
=0.072kg
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