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vovikov84 [41]
3 years ago
12

Match the following terms with their definitions:

Chemistry
1 answer:
Burka [1]3 years ago
4 0
Word-Definition

Pure substance- 4
Matter- 2
Atom- 1
Molecule- 3
Element- 5
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Balance the 2 chemical equation below: 1) _____H2 + _____02 ---> _____H20 2) _____CH4 + _____Cl2 ---> _____CCl4 + _____HCl
sergij07 [2.7K]

Answer:

1.)    2H2  +  O2  --->  2H2O

2.)   CH4  +  4Cl2 --->  CCl4  +  4HCl

Explanation:

In order to balance the equation, you have to make sure there are the same amount of each element on both sides.

Ex (#1).  By adding the coefficients infront of H2 and H20, You now have 4 hydrogen's and 2 oxygens on the left side as well as 4 hydrogens and 2 oxygens on the right side.

Sorry if that's confusing, but hope this helps! :)

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3 years ago
Which of these describes an endothermic process?
Phoenix [80]
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This is because an endothermic reaction [process] takes in more energy than it releases. Therefore because a decrease in energy leads to a decrease in temperature, the ice crystals forming show that it must be a endothermic reaction [process].

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AJ
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3 years ago
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What is the balanced equation for naphthalene and sulphur?​
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Explanation:

C10H8

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