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saul85 [17]
3 years ago
7

Can someone double check my work? (Ideal Gas Law Equation)

Chemistry
1 answer:
Kryger [21]3 years ago
6 0

I did not see any errors, i may be wrong but what i can see is that it is correct

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The answer is B. the occurrence of huge events in Earth's natural history

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Can synthetic chemicals have origins in nature, or are they completely man-made? Give examples and
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Name any two<br> chemical fertilizers rich in potassium​
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Explanation:

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3 years ago
Read 2 more answers
Complete and balance the following redox reaction in basic solution
inn [45]

Answer:

balanced in ACID not BASE

Cr2O7^2-(aq) +3Hg(l) +14 H^1+ ----> 3Hg^2+ + 2Cr^3+(aq) + 7H2O

Answer

Cr2O7^2-(aq) +3Hg(l) +14 H^1+ ----> 3Hg^2+ + 2Cr^3+(aq) + 7H2O

Explanation:

Cr2O7^2-(aq) + Hg(l) ----> Hg^2+(aqH) + Cr^3+(aq)

add H^1+ (acid) to capture the O and make 7 water molecules

Cr2O7^2-(aq) + Hg(l) + H^1+ ----> Hg^2+(aqH) + Cr^3+(aq) + 7H2O

Cr goes from +6 to +3 by gaining 3 e

Hg goes from 0 to +2 by losing 2 e

we need 3 Hg for every 2 Cr

so

Cr2O7^2-(aq) +3Hg(l) +14 H^1+ ----> 3Hg^2+ + 2Cr^3+(aq) + 7H2O

2 Cr on the right and left

Net 12 positive charges on the right and the left

3 Hg on the right and left

14 H on the right and left

the equation is balanced

we cannot balance the equation in a basic solution with OH^1-

we have plenty of O in the dichromate ion. we need to convert it to water which take free H^1+ from the acid

8 0
3 years ago
Which best describes a compound such as sodium chloride
Elza [17]
It is a compound composed of sodium (Na) and chloride (Cl)
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