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The standard deviation for the 10 mL graduated cylinder will be the same for any volume you measure. Suppose you repeatedly measure two different target volumes. Would you expect them to have similar %RSD or will one will be higher than the other? What does this imply about the relative precision of the measurements.
the volume of a gas bag was found to be 840 ml at a temperature of 25 degrees c and a pressure of 734 torr. what would
Determine the mole fraction of each component to at least three significant figures.
What is the average current passing through a solution of NiSO4 if 1.25 g of Ni were deposited in 4.07 hours? i = A
calculate the change in entropy of the gas, the heat resevoir and the universe. what is the irreversible feature of this process
What mass of calcium can be produced by this process if a current of 6200 {\rm A} is applied for 35 {\rm h}? Assume that the electrolytic cell is 69 % efficient. also What is the minimum voltage needed to cause the electrolysis
The densities of methanol and water at this temperature are 0.782 and 1.00 , respectively. For this solution, calculate each of the following. a. what is the molarity b. what is the molality c. what is the percent by mass d. what is the mole fract..
Use a spreadsheet to calculate the composition of dry air at 5400K and 1 bar. Take the initial composition as .78 mol N2, .21 mol O2 and .01 mol Ar. Neglect the ionization of NO.
If 150 out of a sample of 750 AAUP members own Roth IRAs, is this sufficient evidence to support the claim of the AAUP?
Using kinetic molecular theiry of gases to explain each of the following: a) A container of nonstick cooking spray explodes when thrown into a fire; b) The air in a hot air balloon rise. c) You can smell the odor of cooking onions from far away.
Explain how much heat is produced in burning 10 of ethylene under standard conditions if reactants and products are brought to 298 and is formed. Explain the maximum amount of useful work that can be accomplished under standard conditions by this ..
a bottle of acetaminophen tylenol containing 75 tablets 325-mg each sells for 2.29. calculate the cost of one billion
you decide to use gel filtration. this works brilliantly and you determine that your protein is 80kda at the same time.
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