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Calculate the concentration of H3O+, OH-, NH4+, and NH4+, and NH3 in 1.00 x 10-6 M NH4Cl solution. Kw = 1.00 x 10-14 and K = 5.52 x 10-10 for NH4+ H2O ?=? NH3 + H3O+.
What are the arguments in favor of the hypothesis that the spliceosome is a ribozyme. How could you test this hypothesis
Show the mutarotation of beta-D-glucopyranose to the alpha-D-glucopyranose. Show the open chain intermediate.
A solution of ethanol (C2H5OH) in water is prepared by dissolving 63.4 mL of ethanol (density = 0.79 g/cm3) in enough water to make 250.0 mL of solution.
Suppose that 180 g of ethanol at 26 ? C is mixed with 225 g of ethanol at 83 ? C at constant atmospheric pressure in a thermally insulated vessel.
a mixture of three gases has a total of 756 mm Hg. If the pressure of nitrogen is 612 mm Hg and the pressure oxygen if 100 mm Hg, what is the pressure of the carbon dioxide gas in the mixture?
Suppose that, from measurements in a microscope, you determine that a certain bacterium covers an area of 1.50 μm2
Determine how many grams of Ammonia are needed to produce 130 grams of hydrogen flouride?
What weight of sodium acetate, NaCO2CH3, must be added to 500.0 mL of 0.500 M acetic acid HCO2CH3 to produce a buffer solution
Calculate the pH of a solution containing an amphetamine concentration of 200 mg/L. Express your answer to one decimal place.
Complete and balance the equation for this reaction in basic solution. Phases are optional.
Calculate the molarity of 736 mL of a solution that contains 153 g of sucrose C12H22O11.
If the volume of solute is 6 ml and the volume of the solution is 300 ml, what is the solute's percent by volume?
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