C is the answer i believe
The answer would be A: its container.
Gas will expand to fill whatever container it is put in.
Answer:
+4
Explanation:
Oxidation number of neutral compound is 0
Oxidation number of hydrogen in methane is -1
C + (-1×4) = 0
C - 4 = 0
C = 4
Answer: 3.50
Explanation:
because the heat of engine cause a gas
Answer:
1
Explanation:
4 HBr + O2 → 2H 20 + 2Br 2
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