For each of the following situations a−c. use the following choices i−iii to complete the statement “The final temperature of the water should be”
ol type='a'>
(a)
Interpretation:
For the given situations, the final temperature of the water should be determined from the given choices.
Concept Introduction:
Energy exchanged (Q) to change the temperature by T0 C of m gram of sample is given by
Here, s is specific heat capacity, m is mass of the sample in grams, and ΔT is the change in temperature. It can also be written as
Here ΔT1 = 90-Tf, ΔT2 = 10-Tf are the heat changes for hot and cold water respectively.
Tf is the final temperature, m1 = 100.0 g, and m2 = 100.0 gare the mass of hot and cold water respectively. Therefore,
(b)
Interpretation:
For the given situations, the final temperature of the water should be determined from the given choices.
Concept Introduction:
Energy exchanged (Q) to change the temperature by T0 C of m gram of sample is given by
Here, s is specific heat capacity, m is mass of the sample in grams, and ΔT is the change in temperature. It can also be written as
(c)
Interpretation:
For the given situations, the final temperature of the water should be determined from the given choices.
Concept Introduction:
Energy exchanged (Q) to change the temperature by T0 C of m gram of sample is given by
Here, s is specific heat capacity, m is mass of the sample in grams, and ΔT is the change in temperature. It can also be written as
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