Chemistry, 11.01.2020 10:31 mikemike59
2. iron reacts with superheated steam to form hydrogen gas and the oxide fe3o4. calculate the number of moles of hydrogen produced by 10.0 g of iron and enough steam. 3fe (s) + 4h2o (g) > fe3o4 (s) + 4h2 (g) a. 0.239 mol h2 b. 239 mol h2 c. 2.39 mol h2 d. 2239 mol h2
Answers: 3
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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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The empirical formula of a compound is ch2o and its mass is 120 amu/molecule, what is its formula?
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Chemistry, 23.06.2019 03:30
Astudent uses universal ph paper to find the ph of three solutions . solution a has a ph of 5 solution b has a ph of 11 and solution c has a ph of 7 identify which solution is acidic which solution is neutral and which solution is basic
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2. iron reacts with superheated steam to form hydrogen gas and the oxide fe3o4. calculate the number...
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