To conduct an experiment, a scientist places a small piece of aluminum in a test

Question

To conduct an experiment, a scientist places a small piece of aluminum in a test tube and adds sodium hydroxide solution. Bubbles of gas are produced and the outside of the test tube becomes hot to the touch. Which of the following is true? The reaction is endothermic, and the system gains energy from the surroundings. The reaction is exothermic, and the system loses energy to the surroundings. The reaction is endothermic, and the system loses energy to the surroundings. The reaction is exothermic, and the system gains energy from the surroundings. a. b. c. d.

Explanation / Answer

Answer b) The Reaction is exothermic, and the system loses energy to the sorroundings.

The reaction is highly exothermic which leads to the heating up of the test tube...

Heat is released.

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