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In a lab, calcium chloride is dissolved in water in a test tube. As it dissolves the test tube gets warmer. Which of these is a good explanation for this? A.) This is an endothe…

In a lab, calcium chloride is dissolved in water in a test tube. As it dissolves the test tube gets warmer. Which of these is a good explanation for this? A.) This is an endothe…
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In a lab, calcium chloride is dissolved in water in a test tube. As it dissolves the test tube gets warmer. Which of these is a good explanation for this?

A.) This is an endothermic reaction
B.) As the solute dissolves it gives off heat to the surrounds.
C.) As the solute dissolves it takes heat from the surrounds
D.A contaminant must have been present in the water as mixing never creates heat.

asked
User Dijkgraaf
by
7.7k points

2 Answers

4 votes
The answer is B.. solute dissolves guves off what to the surrounds
answered
User Surbhi Aggarwal
by
8.5k points
9 votes

Answer:

B

Step-by-step explanation:

The mixture gave off heat

answered
User Adam Wulkiewicz
by
7.5k points
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