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Furkat [3]
3 years ago
10

A chemical change occurs whenever

Chemistry
1 answer:
Talja [164]3 years ago
8 0

Answer:

C.

Explanation:

A chemical change happens when one chemical substance is transformed into one or more different substances, such as when iron becomes rust.

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6 0
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Why is it important to know what weather fonts are
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4 0
3 years ago
4. What do radio telescopes use to gather and focus radio waves?
Tom [10]
I think it would be C
5 0
4 years ago
2. Suppose this was done on top of a balance. Do you think the mass would change as the reaction proceeded?
Viefleur [7K]
Yes because gas is produced
8 0
3 years ago
How many grams of carbon are present in 45.0 g of CCl4?
lisabon 2012 [21]
To determine the amount of a certain element in a compound, we use the ratio of the elements from the compound. We calculate is follows:

45.0 g CCl4 ( 1 mol CCl4 / 153.82 g CCl4 ) ( 1 mol C / 1 mol CCl4 ) ( 12.01 g C / 1 mol C ) = 3.5135 g carbon present

Hope this answers the question. Have a nice day.
5 0
4 years ago
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