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Vanyuwa [196]
2 years ago
8

POINTS 50 - 30!!! in my bio to find some of my unanswered questions

Chemistry
1 answer:
alex41 [277]2 years ago
6 0

Answer:

I have answered all 9/10 + this one so 10/10

Explanation:

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5

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Choose the number of significant figures indicated 0.06
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H2(g)+p4(s)ph3(g) what the answer ?
disa [49]

Answer:

6H2 + P4→ 4PH3

Explanation:

Phosphorus has 4 in it and hydrogen has 3 in it. in order to balance it, we have to put 4 in front of phosphine so that the phosphorus on the product side has an equal amount as to the one on the reactant side.

the only one left to balance is hydrogen and so in order to balance it we put a 6 on h2 because the hydrogen in the product size becomes 12 (4 * 3).

therefore the hydrogen on the reactant side becomes 12 as well (6 * 2)

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3 years ago
A substance with a define shape and volume is a blank phase of metter
aksik [14]
Definite Shape and Definite Volume is a solid.

NO Definite Shape and Definite Volume is a liquid.

NO Definite Shape and NO Definite Volume is a gas.
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