3 years ago

How do you distinguish a chemical change from a physical change

1 answer:

7 0

Answer:

One distinguishing feature between physical and chemical changes is that a physical change can be reverse or turn back to its original form, but chemical change cannot be return to its form because the material change.

Explanation:

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What is the measure of the efficiency of a chemical reaction? percent yield annual yield actual yield theoretical yield

artcher [175]

Answer:

Precent yield

Explanation:

This is takes into account how much of a substance should have been created (theoretical yield) and compares it to what was actually created (the actual yield).

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3 years ago

Element X reacts with chlorine to form an ionic compound that has the formula XCl₂. To which group on the Periodic Table could e

marishachu [46]

Answer:

<u>Group 2 is the correct answer.</u>

Explanation:

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Answer:I would say 21grams but i am not sure

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2 years ago

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