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How many grams of the element nickel are contained in 10.0g of a 10.2 wt% solution of nicke sulfate hexahydrate, NiSO4*6H2O?(b) The concentration of this solution is 0.412 M. Find the density.
A pharmaceutical company needs to prepare a batch of 5000 bottles containing 80 tablets each with 325 mg of aspirin per tablet. How many kilograms of salicylic acid are needed to produce the needed aspirin
Calculate the change in internal energy of the following system: a 100.0- bar of gold is heated from 25 to 50 during which it absorbs 322 of heat. Assume the volume of the gold bar remains constant.
Suppose that each of the following pairs of compounds are being used as reactants in this experiment. Draw structures of the intermediate imines formed,
Why is high pressure needed in Hplc? And what is a bonded phase in liquid chromatography
Draw the structure of an alkane or cycloalkane that has more than three but fewer than ten carbon atoms, and only primary hydrogens.
Hydrogen reacts in a fuel cell to produce water and electricity according to the reaction below. What is the maximum amount of electricity you might derive from 7.50 g of hydrogen
two gases are contained in gas bulbs connected by a valve. gas a ispresent in a 44 l bulb at a pressure of 381 torr.
Why do you suppose that the dehydration of cyclohexanol to cyclohexene has been the tradiotional experiment to illustrate the acid-catalyzed dehydration of an alcohol to an alkene?
The ability to sense odor is not the only chemoreceptor response in the human body.
2 ml of heptane plu 2 ml of alpha pinene give 4 ml of solution. howmany grams per ml are in that mixture? suppose you
Specify the number of possible isomers of Trinitrophenol. Abbreviate ortho (o), meta (m) and para (p).
a plane flies from base camp to lake a 330 km away in the direction 20.0deg north of east. after dropping off supplies
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