Chemistry, 10.12.2019 11:31 shaheedbrown06
The absorbance of a garbanzo bean solution that had been diluted by a factor of three was 0.528. what was the concentration of the iron in the original solution (before dilution)?
Answers: 3
Chemistry, 21.06.2019 14:10
Which of these will change if the air in aclosed bottle is heated? abcdthe mass of the airthe composition of the airthe air pressure in the bottlethe number of air molecules in the bottle
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Chemistry, 21.06.2019 20:00
Different isotopes indicate that an element will have different numbers of
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Chemistry, 22.06.2019 05:00
In 1901, thomas edison invented the nickel-iron battery. the following reaction takes place in the battery. fe(s) + 2 nio(oh)(s) + 2 h2o(l) fe(oh)2(s) + 2 ni(oh)2(aq) how many mole of fe(oh)2, is produced when 5.35 mol fe and 7.65 mol nio(oh) react?
Answers: 1
Chemistry, 22.06.2019 11:50
Acompound has a molecular weight of 12.124 atomic mass units and the empirical formula c3h40. what is the molecular formula of the compound?
Answers: 3
The absorbance of a garbanzo bean solution that had been diluted by a factor of three was 0.528. wha...
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