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Pavel [41]
2 years ago
12

I need it done asap as fast as possible

Chemistry
1 answer:
Lubov Fominskaja [6]2 years ago
6 0

Answer:

1. B

2. D. the form of a substance changes but not its identity

3. C

4. D

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7 0
2 years ago
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Stepping on a bag of potato chips would cause which type of change?
cupoosta [38]

Answer:

I believe physical

Explanation:

If you step on the bag of chips, it would reduce them to crumbs. Wouldn't this be a physical change in the chips?

8 0
3 years ago
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Which of these processes are chemical reactions? 1. boiling an egg 2. crushing spices 3. vegetables rotting 4. chopping vegetabl
ivolga24 [154]
Boiling an egg and vegetables rotting . It is because chemical reaction are reactions where new substances are formed and the reaction are usually irreversible .
Hope this helps.
8 0
3 years ago
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For a hydrogen-like atom, classify these electron transitions by whether they result in the absorption or emission of light.
Nataly_w [17]

Explanation:

When an electron absorbs the light it jumps from its lower energy state  towards the higher energy state. This known as absorption.

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1) n = 3 to n = 5 ,This transition will be absorption.

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4) n = 2 to n = 1 ,This transition will be emission.

7 0
3 years ago
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How do you think the bonds between carbon atoms might be different in diamond and graphite?
madreJ [45]
They are arranged differently, in diamonds they are interconnected bonds and in graphite they are arranged as sheets.
7 0
2 years ago
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