For experiment A, the hypothesis predicted the reaction would be

Question

endothermic
. The temperature changed from
23
to
18
. Because the temperature
went down
, the reaction must be
endothermic
. The hypothesis was
by the data. Responses refuted and supported

Answer 1

Based on the given information, the hypothesis was supported by the data. The hypothesis predicted that the reaction would be endothermic, and the observed decrease in temperature from 23 to 18 supports this prediction.