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The temperature of 50 g of water is 70 degrees Celsius. How much heat

0 votes

February 18th, 2013 08:46
in Advanced Physics by theeconomist1 (California State University (CA), Dynamic psycology)

The temperature of 50 g of water is 70 degrees Celsius. How much heat must be added to raise the temperature?

"The temperature of 50 g of water is 70 degrees Celsius. How much heat must be added to raise the temperature to 80 degrees Celsius?

 

A. 540 cal

B. 10 cal

C. 200 cal

D. 500 cal

E. 80 cal"

6 Answers
0 votes

March 6th, 2013 12:12
dewaan (Biju Patnaik University of Technology, Rourkela, comutings)
"ΔH = mcΔT ΔH = 50*1*(80-70) = 500 calories (taking m = 50 gram, c = 1cal/g/C degree) So. option D must be correct."

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May 15th, 2013 10:01
cool_bre (Anna University of Technology, Databases)
  "certain temperature capacity for h2o = iv.16 T/(h*degC) "

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May 16th, 2013 08:25
ekmbr (AMET University, Biology)
"These kinds of questions are just tips for obtaining a very good discussion heading. We motivate you to employ the ones you enjoy in order to come up with your own. "

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May 27th, 2013 08:06
bigna (Chhattisgarh Swami Vivekanand Technical University, Computer science)
    "Ok, consequently we've got some volume of normal water that is scorching, and several number of normal water that is cool. Mix mutton quad unitedly and you'll go comfortable. By the end, the two trouble and cool drinking water you commenced using is definitely the exact same temperatures. In the event both will probably equal exactly the same heat range at the conclusion in the chemical reaction, we can make them comparable to the other as well as resolve for ""X"".            "

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May 28th, 2013 21:01
lakshya (Agra University, Social psychology)
    Aggregate associated with mineral water = two hundred and fifty h, heat range alteration of water system = 75 G , specific high temperature volume regarding normal water = 4.21 N/ g * C. In order to resolve with regard to heating system we increase size inwards gary together with by the heat range alteration of H and specific warm potential. 104,750 N would be the answer.

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June 1st, 2013 08:20
rajaan (Birla Institute of Technology and Science, Computers and algorithms)
      "It requires 4.186 Joules for you to warm one particular g involving water system by means of one-amount Celsius.            "

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