Answer:
C. If a solar cell breaks, it releases chemicals and can harm humans.
Explanation:
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Given :
A compound has a molar mass of 129 g/mol .
Empirical formula of compound is C₂H₅N .
To Find :
The molecular formula of the compound.
Solution :
Empirical mass of compound :

Now, n-factor is :

Multiplying each atom in the formula by 3 , we get :
Molecular Formula, C₆H₁₅N₃
Answer:
See below
Explanation:
A chemist preforms the following: Neutralizing nitric acid (HNO3) with soda ash (Na2CO3). This reaction will then create sodium nitrate and carbonic acid, which will then decompose into water (H20)
I think it would be penicillin as it saved many lives in its time and ours.
Answer:
6
Explanation:
if there is 10n and the friction is 4n on the table then it is 6n.
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