Chemistry, 19.10.2019 10:30, reaperqueen21
Ch4(g) + 2o2(g) → co2(g) + 2h2o(l): δh = −890 kj
which statement about this reaction is correct?
the reaction of one mole of oxygen (o2) absorbs 445 kj of energy.
the reaction of one mole of oxygen (o2) releases 445 kj of energy.
the reaction of one mole of methane (ch4) absorbs 890 kj of energy.
the reaction of two moles of methane (ch4) releases 890 kj of energy.
Answers: 3
Chemistry, 22.06.2019 10:30, jahmira96
Use this information to determine the number of calends electrons in the atoms. which of the following correctly compares the stability of the two atoms? a) both are unreactive b) both are highly reactive c) a is unreactive and d is reactive d) a is reactive and d is unreactive
Answers: 2
Chemistry, 22.06.2019 12:30, Svetakotok
Suppose you wanted to make 100 grams of water. what is the molar mass of water (h2o)?
Answers: 2
Ch4(g) + 2o2(g) → co2(g) + 2h2o(l): δh = −890 kj
which statement about this reaction is...
which statement about this reaction is...
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