Select all true statements to earn the maximum score on this question. Selecting

ID: 485526 • Letter: S

Question

Select all true statements to earn the maximum score on this question. Selecting false statements will decrease your score.

-All of the oxygen in the black product came from the red powder.

-The red powder was an oxide of copper.

-Some oxygen was added to the powder as the experiment proceeded.

-The following is a balanced reaction, and obeys the Law of Conservation of Mass:

2Cu2O + O2 4CuO

-All of the copper in the black product came from the red powder.

-The following is a balanced reaction, and obeys the Law of Conservation of Mass:

2Cu + O2 2CuO

-Some copper was added to the powder as the experiment proceeded.

-Mass was created as the experiment proceeded.

-All of the oxygen in the black product came from the red powder.

-The red powder was an oxide of copper.

-Some oxygen was added to the powder as the experiment proceeded.

-The following is a balanced reaction, and obeys the Law of Conservation of Mass:

2Cu2O + O2 4CuO

-All of the copper in the black product came from the red powder.

-The following is a balanced reaction, and obeys the Law of Conservation of Mass:

2Cu + O2 2CuO

-Some copper was added to the powder as the experiment proceeded.

-Mass was created as the experiment proceeded.

The following is a balanced reaction, and obeys the Law of Conservation of Mass:

2Cu2O + O2 4CuO

The following is a balanced reaction, and obeys the Law of Conservation of Mass:

2Cu + O2 2CuO

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