Chemistry, 27.07.2020 09:01 amulets2274
A mix of 0.5236 gr qe contains 42.30% calcium carbonate and 57.70% magnesium carbonate. This sample was treated with hydrochloric acid and the gas produced was collected.
1) what is the gas collected
2) how many grams of gas were produced?
Answers: 3
Chemistry, 21.06.2019 22:50
2. you__turn left on a red light if you are in the left-most lane of a one-way street, you're turning into the left-most lane of a one-way street, and no nearby sign prohibits the turn.
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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
Chemistry, 23.06.2019 13:30
The activation energy for a(n) is quite large and usually takes extra energy from the environment, it is normally not a natural spontaneous process. combustion reaction endothermic reaction exothermic reaction catalyzed reaction
Answers: 1
A mix of 0.5236 gr qe contains 42.30% calcium carbonate and 57.70% magnesium carbonate. This sample...
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