Chemistry, 02.08.2019 05:30 orlando19882000
The information below describes a redox reaction. cr3+(aq)+2cl-(> cr(s)+cl2(s) 2cl-(> cl2(g)+2e- cr3+(aq)+3e- > cr(s) what is the final, balanced equation for this reaction? 1.) 2cr3+(aq)+6cl-(aq) > 2cr(s)+3cl2(g) 2.) 2cr3(aq)+2cl-(aq)+6e- > cl2(g)+2cr(s) 3.) cr3+(aq)+6cl-(aq)+3e- > 2cr(g)+3cl2(g) 4.) cr3+(aq)+2cl-(> cr(s)+cl2(g)
Answers: 1
Chemistry, 22.06.2019 12:20
The yearly amounts of carbon emissions from cars in belgium are normally distributed with a mean of 13.9 gigagrams per year and a standard deviation of 5.8 gigagrams per year. find the probability that the amount of carbon emissions from cars in belgium for a randomly selected year are between 11.5 gigagrams and 14.0 gigagrams per year. a. 0.340 b. 0.660 c. 0.167 d. 0.397
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Chemistry, 22.06.2019 20:00
Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.
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Chemistry, 22.06.2019 23:00
Need asap question 1 minerals are organic compounds. true false question 2 what vitamin can be found in foods like oranges, grapefruits, and broccoli? a. vitamin a b. vitamin k c.vitamin c d. vitamin d question 3 what are minerals? a. chemical elements that are needed for body processes. b. organic compounds that the body needs in small amounts to function properly. c. small molecules used to build proteins. d. an organic compound that is insoluble in water and includes fats. question 4 how many types of vitamins does the human body need? a. 15 b. 11 c. 13 d. 17 question 5 vitamins are a good source of energy. true false
Answers: 1
The information below describes a redox reaction. cr3+(aq)+2cl-(> cr(s)+cl2(s) 2cl-(> cl2(g)+2...
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