A 1500 electrical kettle is used to boil 1.0 L of water which was originally at 10 degrees Celsius it takes 5.0 min to boil what is the efficiency of the kettle
1
Expert's answer
2012-02-14T11:14:36-0500
Q=mc(100-t)+mL Where t=10 – starting temperature For water from table: C=4200 L=22.6*105 M=vp=1000kg/m3*0.001m3=1kg Q=1*4200*90+1*22.6*100,000=2638000dj -needed energy to boil water. A=1500*5*60=4500000 work what is done. K=Q/A=59%
Numbers and figures are an essential part of our world, necessary for almost everything we do every day. As important…
APPROVED BY CLIENTS
Finding a professional expert in "partial differential equations" in the advanced level is difficult.
You can find this expert in "Assignmentexpert.com" with confidence.
Exceptional experts! I appreciate your help. God bless you!
Comments
Leave a comment