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Some ice cubes at 0 C with a total mass of 331 g are placed in a microwave oven and subjected 750. w (750. j/s) of energy for 5.00 minutes.assume that the energy of the microwave is absorbed by the water and no heat loss by the water. What is the final temperature of the water?
assume standard biological conditions and that all the enzymes are present to catalyze the reactions . the following are sequential enzyme reactions in a pathway
Two evacuated bulbs of equal volume are connected by a tube of negligible volume. One bulb is placed in a 200K isothermal bath and the other in a 300K bath, and then 1.00 mole of an ideal gas is injected into the system. Find the final number of m..
A 6.38 mg sample of potassium hydrogen phthalate was dissolved in 50 mL of water and to use as a standardizing aging. If 36.5 mL of NaOH was required to reach the end point, what is the concentration of the solution in uM
what is the equilibrium constant for this reaction of 25C? show work b.If mixture was preparedcontaining 1M glucose-6-phosphate and 1x 10^-3M glucose-1-phosphate. What wold be the thermodynamically favored direction for the reaction (why?)
One of the treatments for gangrene and the bends, is hyperbaric oxygenation. This occurs in a chamber in which oxygen is used at higher-than-normal pressures.
What volume of glacial acetic acid (d= 1.06g/ml) and what weight of solid potassium acetate are required to prepare 5 liters of 0.2M acetate buffer
You have discovered a basic amino acid. its carboxyl group pKa is 1.92. its amino group pKa is 10.03. its side chain pKa is 11.98. What is its pl
which of the following alcohols undergoes dehydration at the fastest rate on being heated with sulfuric acid? a) 1-Butanol b)2-Methyl-1-butanol c)2-Methyl-2-butanol d)3-Methyl-1-butanol e)3-Methyl-2-butanol
Use the Reaction Editor to write a balanced net ionic reaction for the reduction of cupric ion (Cu2+) by hydroxylamine (NH2OH) in acid solution, using the smallest integer coefficients.
When trying to identify the smell of eugenol, many people recognize it as a different common spice: nutmeg. What can you infer about the structure of the principal component of nutmeg. What functional groups most likely exist in the molecule
An unknown liquid boiling around 185 +/- 5 degrees C in 5% HCl and in a pH 5.5 buffer but is insoluble in water. Shaking the unknown with p-touluenesulfonyl chloride in aqueous NaOH produces a white precipitate that doesn't dissolve in dilute HCl...
What is the molarity of a solution of vinegar that is 5.00 % by mass acetic acid (CH3CO2H) and has a density of 1.01 g/mL.
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