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Which one of the following compounds is a stereoisomer of cis-1,2-dimethylcyclopentane? a) Methylcyclohexane b) 1,1-Dimethycyclopentane c) trans-1,2-Dimethylcyclopentane d) cis-1,3-Dimethylcyclopentane e) trans-1,3-Dimethylcyclopentane
Estimate the Debye Temperature of gold form the following information. For gold, the atomic weight is 197, the density is 19000 kg/m^3 and the velocity of sound is 2100m/s.
You made up a saturated solution of calcium sulfate (CaSO4). The temp is 25 degrees Celsius. You then add 5.00*10^-3 of sodium sulfate (Na2SO4). What are the concentrations of calcium and sulfate after equilibrium is reached? The pKs of CaSO4 is 4..
Which of the following is a neutralization reaction?
how much energy in kilojoules is required to convert 255 of diethyl ether at its boiling point from liquid to vapor if
Ten kg of steam at 500 bar is expanded at constant pressure until its pressure increases to seven times its initial value of 0.01 m^3. (a) Determine the initial and final temperature of the steam. (b) Calculate the heat that must be supplied to ca..
consider a gas at 1.00 atm in a 5.00 l container at 20 degrees celsius. what pressure does the gas exert when
What combination of a molecular base (that is a neutral compound, not an ion!) and a salt of the conjugate acid of that molecular base should you select to prepare a buffer solution that would maintain a pH of 9.00? For full credit, explain
what is the molarity of a solution made by dissolving 26.42g of (NH4)2SO4 in enough H2O to make 500 mL of solution?
An acid, HA, has the following thermodynamic values for its dissociation in water at 27 degrees celcius: ΔH=-8.0 kJ mol-1; ΔS=-70 J K -1 mol -1
The CO2 output of an astronaut is about 1.2 kg/day. What is the minimum mass of LiOH required for a six-day space shuttle flight involving five astronauts
write the net ionic equations for the reactions involved in the testing of each of the following anions
What proposal did Pauling make to estimate the ratio of the radii of certain anion-cation pairs
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