Interpretation:
The amount of energy transferred to the water from octane needs to be determined.
Concept introduction:
The amount of energy transferred in a system can be calculated as follows:
Here, m is mass, c is specific heat capacity and
Answer to Problem 12STP
The correct option is (B).
Explanation of Solution
The specific heat capacity of water is
The mass of octane is 2.6 g and volume of water is 926 mL. The change in temperature takes place from
The energy transferred can be calculated as follows:
Putting the values,
Thus, the amount of heat transferred is 0.35 kJ.
Therefore, the correct option is (B).
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