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jonny [76]
3 years ago
7

A student heats up a metal and finds that its mass increases. The students says “this is because heat has been added.” Explain w

hy this is incorrect.
HELP DUE SOON. WILL GIVE BRAINLIEST
Chemistry
1 answer:
gulaghasi [49]3 years ago
7 0

Answer:

The increase in mass is not due to the heating but due to the reaction of the metal with oxygen in air to form an oxide

Explanation:

When a metal is heated in the presence of air, oxygen present in air reacts with the metal to form the oxide of the metal. The mass of this oxide is greater than the original metal by the amount of oxygen added to the metal during the reaction.

The above reaction is known as an oxidation reaction. Generally,

metal M + O2 ---> MO2

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