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givi [52]
2 years ago
14

Sometimes a cloud may form at or near the ground when the ground cools at night. This cloud is known as...

Chemistry
2 answers:
melomori [17]2 years ago
8 0

Answer:

im belive the answers fog

Leto [7]2 years ago
7 0

fog shsndndndndndndbdbdbdbdbdbdbdhdhxbf

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Here try this presentation, it should help :) 

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Is solid sodium + liquid water to dissolved hydroxide + gaseous hydroxide a single replacement reaction
saul85 [17]
2Na + 2H20 ----> 2NaOH + H2
5 0
3 years ago
How many grams of hydrogen are needed to react with 1.40 g of nitrogen to produce ammonia?
vazorg [7]

Answer:

Write a balanced chemical reaction:

N2 + 3H2 ==> 2NH3

Looking at the mole ratios in this balanced equation you can see it takes 3 moles H2 to make 2 moles NH3.  So, next calculate the moles of NH3 represented by 1.80 g and then convert to moles of H2 needed:

moles of NH3 = 1.80 g x 1 mole/17 g = 0.106 moles NH3

Moles H2 needed = 0.106 moles NH3 x 3 moles H2/2 moles NH3 = 0.159 moles H2 needed

Grams H2 needed = 0.159 moles x 2 g/mole = 0.318 grams H2 needed

Explanation:

8 0
3 years ago
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olasank [31]

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8 0
2 years ago
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Write the ionic equation, including state symbols, for the reaction between zinc and iron(II) sulfate
jeyben [28]

Answer:

Fe (s) + Cu^2+ (aq) + SO4^2- (aq) --> Cu (s) + Fe^2+ (aq) + SO4^2- (aq)

Explanation:

8 0
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