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Sophie [7]
3 years ago
6

What can you infer about arid climates from their name?

Chemistry
1 answer:
gayaneshka [121]3 years ago
7 0
The receive very little rainfall
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What type of reaction is A + B + heat → C + D
Harlamova29_29 [7]
When you need heat to make reaction happen it is endothermic.
If heat was on the right side then type of reaction would be exothermic.
5 0
3 years ago
What determines when a system reaches equilibrium? What observations can be made about a system once equilibrium has been establ
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Fed [463]

The question is incomplete, the complete question is;

The Lewis representation above depicts a reaction between hydrogen (blue) and a main-group element from group______ (red).

In this representation, each Y atom needs ______ electron(s) to complete its octet, and gains these electrons by forming______ bond(s) with atoms of H .

There are ______ unshared electron pair(s) and _______bonding electron pair(s) in the product molecule.

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Answer:

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5) 2 bonding pairs of electrons

6) The bonds in the product are covalent

Explanation:

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H2Y can be a general formula for all hydrides of group 16. They are all very similar in structure but gradually differ in physical and chemical properties according to the graduated variation observed down the group.

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