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Students in Ms. Brown demonstrated several chemical reactions but the data did not represent the law of conservation of matter in
any of the four experiments. Kai and Maria are about to add 3 grams of magnesium (Mg) to a test tube of 30 grams of hydrochloric
acid (HCI). They covered their container with a balloon as a seal. If the girls expect a chernical change as well as evidence of the
Law of conservation of matter, choose ALL of the predictions that are appropriate?
A)
There will be a rapid evolution of gas.
B)
The mass of the products will equal 339.
The solid magnesium metal will disappear.
D)
The balloon covering the container will expand.
E)
There will be a dramatic change in temperature,

Sagot :

Eryndun1049idn
It is A and E sorry if it is wrong.

Answer:

Answer: everything except E

Explanation: There was no dramatic change in temperature and i just took the assignment.

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