Chemistry, 04.08.2019 08:00 halobry2003
Helium is a(n) homogeneous mixture heterogeneous mixture element electron
Answers: 1
Chemistry, 23.06.2019 04:20
Malia was able to make a paper clip float on the surface of water what will most likely happen to the paper clip if a drop of dishwashing detergent is added near it
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Chemistry, 23.06.2019 07:00
0.88 moles of n2o5 (g) was placed in a sealed 1.00 l vessel. calculate the equilibrium concentration of n2o5. no2, and o2 and the equilibrium constant after equilibrium has been reached by 65.0% of the n2o5 decomposing.
Answers: 1
Chemistry, 23.06.2019 08:40
The activation energy for this reaction is 75 kj·mol–1. the enzyme catalase (found in blood) lowers the activation energy to 8.0 kj·mol–1. at what temperature would the non-catalyzed reaction need to be run to have a rate equal to that of the enzyme-catalyzed reaction at 25°c?
Answers: 2
Chemistry, 23.06.2019 23:30
Which question cannot be answered scientifically? a. how many particles do two gases at the same temperature and pressure contain? b. what happens to a gas at standard temperature and pressure? c. how does a gas react when heated to 100 degrees celsius? d. what happens to a sample of gas at absolute zero?
Answers: 2
Helium is a(n) homogeneous mixture heterogeneous mixture element electron...
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