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State whether or not each of the following equilibrium reactions could have the equilibrium expression.
a) C (g) <-----> 2A (aq) + B (g)
b) 2A (g) + B (g) <------> C (g)
c) C (g) + D(s) <-----> 2A (aq) + B (g)
d) C (s) + D (g) <-----> 2A(aq) + B (aq)
The osmotic pressure of a aqueous solution of a given polymer with mass concentration 0.300 g/mL is 10.0 torr at 298 K. Estimate the molar mass of the polymer.
What is the molecular formula of sulfur under these conditions. Type your answer using the format CO2 for CO2.
The Kingston Steam Plant burns 14,000 tons of coal each day and generates 1010 kilowatts-hours of electricity each year (enough for 700,000 homes). Coal is primarily carbon which undergoes combustion in the following reaction
Draw every stereoisomer for 1,2-difluoro-1,2-dimethylcyclopentane. Use wedge and dash bonds for the substituent groups
Why does the haloform reaction only work for methyl ketones and not for compounds such as 3-pentanone?
Three common hydrocarbons that contain four carbons are listed here, along with their standard enthalpies of formation: C4H6(g) 111.9 kJ/mol. Calculate the molar enthalpy of combustion to CO2(g) and H20(l)
Stellar nuclear fusion begins with 1H and ends with 56Fe. Younger stars fuse hydrogen to form 4He, while older, more massive stars fuse helium to form heavier elements.
What volume of gas would you expect to generate from 1 gram of Potassium Chlorate at 250*F? R= .082 L Atm/mole K.
How many moles of each of the following were in the original sample?
A chilled carbonated beverage is opened and allowed to warm to room temperature. Will the pH change, and if so, how will it change. loss of CO2 from the beverage (Henry's Law) will result in a decrease in the pH
Consider an aqueous solution that is 0.934 M in FeCl2 (MW = 126.752 g/mol) with a density of 1.31 g/mL. Calculate the molality, mass percent, and mole fraction (?) of FeCl2 in this solution. The MW of H2O is 18.02 g/mol.
Calculate the number of moles of cyclopentadiene and maleic anhydride which you will use in your experiment. Explain why we use excess of cyclopentadiene and do the reaction at 0 °C?
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