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A student mixed two chemicals to allow them to react. The temperature before the reaction was 25 °C. The temperature after the reaction was 50° C. Which of the following is true? A. there was no change
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A student mixed two chemicals to allow them to

react. The temperature before the reaction was 25
°C. The temperature after the reaction was 50° C.
Which of the following is true?
A. there was no change in heat energy
B. it is an exothermic reaction

help plsssss

User Vtrubnikov
by
3.2k points

1 Answer

14 votes

Answer:

B .it is an exothermic reaction

Step-by-step explanation:

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User Fes
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