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Anastaziya [24]
3 years ago
14

Would love to know the answer immediately!!

Chemistry
1 answer:
Jet001 [13]3 years ago
3 0

Answer:

what's the qstn first ?????

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Answer:

1 and a

2 and b

3 and c

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7 0
3 years ago
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1 CH4 (g) + 2 O2 (g) -----> CO2 (g) + 2H2O(l) ΔH= - 890 kJ
1 mol           2 mol
1)  If ΔH has minus, it means "release". We need only "release" choices.<span>
2) From reaction
1 mol </span>CH4 (g)  "releases"  ΔH= - 890 kJ  - We do not have this choice.

2 mol  O2 (g)   "release" ΔH= - 890 kJ, so
1 mol  O2 (g)   "release" ΔH= - 445 kJ
Correct answer is B.
3 0
3 years ago
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A. The result is pH= 14-pOH
B. There are 10ml of 0.26m HCL excees in this reaction so the answer is log(H)+
7 0
4 years ago
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