Chemistry, 20.10.2019 17:00 wolfgirl4762
What is the mole ratio of oxygen to water in the following equation? c3h8 + 5o2 - > 3co2 + 4h2o
10: 8
10: 9
5: 4
7: 7
Answers: 1
Chemistry, 22.06.2019 12:30
Avariable that is not being directly tested during an experiment should be changed varied experimented controlled
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Chemistry, 22.06.2019 18:10
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, 22.06.2019 23:00
What is the average rate of the reaction between 10 and 20 s?
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Chemistry, 23.06.2019 06:00
Which change will decrease the number of effective collisions during a chemical reaction? a. adding a catalyst b. increasing the surface area c. decreasing the temperature d. increasing the reactant concentrations e. increasing the volume of the reactants
Answers: 2
What is the mole ratio of oxygen to water in the following equation? c3h8 + 5o2 - > 3co2 + 4h2o<...
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