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question- a sample of o2 gas is stored at 300 c and 75torr if the volume was 125ml how much did the oxygen weighgive
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question- for light of wavelength 589nm calculates the critical angles for the following substances when surrounded by
question- what is the ph of the mixture if 1000ml of 0100 m naoh is added to a 2000ml 010 m ascorbic acid solutioni am
question- a system conducts 234 cal of heat to the surroundings while delivering 306 cal of work what is the change in
how does an increase in the pressure within the container by the addition of an inert gas like helium affect the amount
the reaction 2 so2g o2g 2 so3g has an equilibrium constant of 623 x 104 at 450degc if the initial concentrations are
part 1i identification write the term described in each of the following1 it tells us the count of times the unit is
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problem- suggest a spectroscopic method that could be used to show that the keto form of uracil predominates at room
problem- is it likely that both ring connections are mad simultaneously in this experiment miniscale synthesis of a
problem- what prymidine would be expected as the product starting with acetamidine and diethyl malonate with urea and
problem- strong base is dissolved in 635 ml of 0400 m weak acid ka 308 times 10-5 to make a buffer with a ph of 405
problem- calculate the change in internal energy of the following system a balloon is cooled by removing 0659kj of heat
problem- the use of the british thermal unit btu is common in much engineering work abtu is the amount of heat required