Chemistry, 26.08.2019 04:30 dilibngalmira
Achemical reaction between iron atoms and oxygen molecules can only occur if
(1) the particles are heated
(2) the atmospheric pressure decreases
(3) there is a catalyst present
(4) there are effective collisions between the particles
Answers: 2
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Atrain travels 74 kilometers in 3 hours, and then 81 kilometers in 5 hours. what is its average speed?
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Chemistry, 22.06.2019 07:00, uniqueray33
What effect does a decrease in temperature have on the overall rate of a chemical reaction? a decrease in temperature decreases . the reaction rate will
Answers: 1
Chemistry, 22.06.2019 22:10, zwbaby3693
Which aqueous solution of ki freezes at the lowest temperature? 1) 1 mol of ki in 500. g of water 2) 2 mol of ki in 500. g of water 3) 1 mol of ki in 1000. g of water 4) 2 mol of ki in 1000. g of water
Answers: 3
Achemical reaction between iron atoms and oxygen molecules can only occur if
(1) the particles...
(1) the particles...
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