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WINSTONCH [101]
3 years ago
10

Pls help me with my work!! PLEASEEEE

Chemistry
1 answer:
Eddi Din [679]3 years ago
5 0

Answer:

a c b a d a

Explanation:

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What is chemical change? what are some ways to tell chemical change happened?
andrew-mc [135]

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A chemical change occurs when the reactants chemical compositions have changed

Explanation:

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2 years ago
There are 3 naturally occurring isotopes of hydrogen and 2
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Answer:

True

Explanation:

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3 0
3 years ago
A sample of helium gas is heated from 20.0°C to 40.0°C. This
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