Chemistry, 29.09.2020 14:01 feyundre52
A 15.00-g sample of a compound containing carbon, hydrogen, and nitrogen is analyzed by combustion analysis. The sample produced 29.3 grams of carbon dioxide and 20.8 grams of water.
Find the empirical formula of the unknown.
The molar mass of the unknown compound is 135.3 g/mol. Determine the molecular formula of the unknown.
Answers: 2
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For ai it's atomic number is 13 and it's mass number is 27 how many neutrons does it have
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In a reaction (at equilibrium) that makes more moles of gas than it consumes, what is the effect of increasing the pressure?
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Given the following at 25c calculate delta hf for hcn (g) at 25c. 2nh3 (g) +3o2 (g) + 2ch4 (g) > 2hcn (g) + 6h2o (g) delta h rxn= -870.8 kj. delta hf=-80.3 kj/mol for nh3 (g), -74.6 kj/mol for ch4, and -241.8 kj/mol for h2o (g)
Answers: 1
A 15.00-g sample of a compound containing carbon, hydrogen, and nitrogen is analyzed by combustion a...
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