Chemistry, 11.10.2019 05:30 Alijahvalles7443
One cup of sugar (sucrose, c12h22o11) weighs 200 grams. how many moles of sugar did you use to make your flavored drink solution?
Answers: 1
Chemistry, 21.06.2019 19:00
0.66y = 0.9x + 0.48 if y has a value of 108.45 what is the value of x?
Answers: 1
Chemistry, 21.06.2019 22:30
The diagram shows the structures of horse and cat forelimbs. what does the diagram suggest about the evolutionary relationship between these two mammals? a. they have homologous structures, indicating a common ancestor. b. they have analogous structures, indicating a common ancestor. c. they have homologous structures, indicating that they do not have a common ancestor. d. they have analogous structures, indicating that they do not have a common ancestor.
Answers: 2
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
Chemistry, 22.06.2019 09:00
How are isotopes of the same chemical element alike? how are they different?
Answers: 1
One cup of sugar (sucrose, c12h22o11) weighs 200 grams. how many moles of sugar did you use to make...
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