Which statement describes where the oxidation and reduction half-reactions occur
in an operat...
Chemistry, 23.04.2020 21:11 aroland1990x
Which statement describes where the oxidation and reduction half-reactions occur
in an operating electrochemical cell?
Answers: 3
Chemistry, 22.06.2019 03:30
The boiling point of liquids is very high what does it indicate
Answers: 1
Chemistry, 22.06.2019 03:40
Astudent is given a sample of a blue copper sulfate hydrate. he weighs the sample in a dry covered porcelain crucible and got a mass of 23.875 g for the crucible, lid, and sample. the mass of the empty crucible and lid was found earlier to be 22.652 g. he then heats the crucible to expel the water of hydration, keeping the crucible at red heat for 10 minutes with the lid slightly ajar. on colling, he finds the mass of crucible, lid, and contents to be 23.403 g. the sample was changed in the process to very light clue anhydrous cuso4. if there are again 100.0 g of hydrate, how many grams of cuso4 are in it? how many moles of cuso4? (hint: molar mass of cuso4 = 159.6 g / mole. what per cent of the hydrate is cuso4? you may convert the mass of cuso4 to moles.)
Answers: 3
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Which of the following would be an accurate picture of the earth during the summer time of the northern hemisphere?
Answers: 1
Chemistry, 22.06.2019 09:00
Particles vibrate in a rigid structure and do not move relative to their neighbors.
Answers: 1
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