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ANTONII [103]
3 years ago
12

Which is an example of a chemical change? A)mixing of poster colors? B)formation of clouds? C)metal corroding in salt water? D)s

ugar dissolving in water? E)separating salt from seawater
Chemistry
2 answers:
Vadim26 [7]3 years ago
8 0
The answer to this is C.
tangare [24]3 years ago
3 0
 believe the answer is c. A and D are just mixing solutions. B is a change in state not chemicals. And E doesn't change the compounds
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Answer:

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2KClO3 → 2KCl + 3O2↑

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Hope this helped

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Chile~ i need help once again
tensa zangetsu [6.8K]

Answer:

<h2><em>B</em></h2>

Explanation:

8 0
3 years ago
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PLEASE HELP ME ASAPPPPP What is the density of a piece of cardboard that has a mass of 250 g and volume of 46 mL? *
Roman55 [17]

Answer:

The answer is

<h2>5.43 g/mL</h2>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

From the question

mass = 250 g

volume = 46 mL

The density is

density =  \frac{250}{46}  \\  = 5.4347826...

We have the final answer as

<h3>5.43 g/mL</h3>

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6 0
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Answer:

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