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The setup below was used to investigate the changes that take place when sodium hydroxide pellets dissolve in water.

The setup below was used to investigate the changes that take place when sodium hydroxide pellets dissolve in water.

a) Why is a plastic beaker used instead of a metallic beaker?
b) State and explain the observations made in the above reaction

Answers

a) Metallic beaker would make most of the heat be lost to the environment

b) - Thermometer reading increased
- The reaction is exothermic

maurice.mutuku answered the question on October 28, 2019 at 09:04

Answer Attachments

Next: Calculate the latent heat of vaporization of water H₂O_(l)-------->H₂O_(g)

Previous: The equation below represents changes in the physical state of ions metal:

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