Question

A reaction is occurring in a test tube. How is heat transmitted to the surroundings?

A-As bubbles are formed and gas escapes, the heat is carried with the rising bubbles.

B-Molecules collide with the glass, and the glass molecules then transmit that energy to the outside.

C-Heat is carried out with matter as the matter is changed with the surroundings.

D-All of the heat escapes out of the open top of the test tube as molecules collide with the air.

Answer 1

It should be noted that when a  reaction is occurring in a test tube, heat transmitted to the surroundings when Molecules collide with the glass, and the glass molecules then transmit that energy to the outside.

What is heat?

Heat can be regarded as a form of energy which is energy that is been transferred as a result of difference in temperature.

In the case above, Molecules collide with the glass, and the glass molecules then transmit that energy to the outside which is an exothermic reaction.

Therefore, option B is correct.

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