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puteri [66]
3 years ago
8

Online class this is my TEACHER ​

Chemistry
1 answer:
Karolina [17]3 years ago
3 0

Answer:

he kinda looks like a tall kid in a suit

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Advantages and disadvantage of chemistry​
klemol [59]

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it's good because u learn about chemicals and fumes

irs bad because some smells are just horrible

3 0
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Which of the following statements concerning the sample size of an experiment is not accurate?
Ilya [14]
A I believe. :)))))))))
4 0
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Draw the Lewis structure for N2H2
vodka [1.7K]

Answer: this is dinitrogen dyhidride.

Explanation:

6 0
3 years ago
PLEASE HELP ME
Andru [333]

Answer:

P4O10 + 6H2O → 4H3PO4

so 1,6,4

7 0
3 years ago
Provide two written definitions of an oxidation-reduction reaction and for each definition tell which reactant is reduced and wh
vesna_86 [32]

Answer:

Explanation:

Oxidation:

1) Oxidation involve the removal of electrons.

2) Oxidation occur when oxidation state of atom of an element is increased.

Reduction:

1) Reduction involve the gain of electron.

2) Reduction is occur when number of electrons increased in an atom and oxidation state decreased.

Consider the following reactions.

4KI + 2CuCl₂  →   2CuI  + I₂  + 4KCl

the oxidation state of copper is changed from +2 to +1 so copper get reduced.

CO + H₂O   →  CO₂ + H₂

the oxidation state of carbon is +2 on reactant  side and on product side it becomes  +4 so carbon get oxidized.

Na₂CO₃ + H₃PO₄  →  Na₂HPO₄ + CO₂ + H₂O

The oxidation state of carbon on reactant side is +4. while on product side is  also +4 so it neither oxidized nor reduced.

H₂S + 2NaOH → Na₂S + 2H₂O

The oxidation sate of sulfur is -2 on reactant side and in product side it is also -2 so it neither oxidized nor reduced.

The  most comprehensive definition is 2nd definition which involves the increase or decrease in oxidation state.

4 0
4 years ago
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