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A biochemist is thrilled with her discovery of a new enzyme. In order to characterize this new enzyme, she uses osmotic pressure. A solution containing 0.190 g. of this enzyme in 187. mL of solution has an osmotic pressure at 298 K. of 1.18 torr. What is the molar mass of this new enzyme?
Did enzyme denaturing affect the active site? what amino acid residue in catalase would change by more basic PH
Caculate the wavelength of light( in nanometers) that is absorbed when the electron in a He+ ion goes from the n=2
For 2 SO2(g) + O2(g) 2 SO3(g), Kp = 3.0 104 at 700 K. In a 2.00-L vessel the equilibrium mixture contains 1.72 g of SO3 and 0.171 g of O2. How many grams of SO2 are in the vessel
Sodium will react with oxygen to form sodium oxide. Use the formula below to determine how many grams of sodium oxide will be formed if 46 grams of sodium are used in the reaction. 4Na + O2 --2Na2O
Consider the titration of 25.0 mL or 0.010 M Sn^2+ by 0.050 M TI^3+ in 1 M HCL, using pt and saturated calomel electrodes to find the endpoint.
Calculate the expansion work done against a constant external pressure of 0.979bar and at a constant temperature of 18°C.
Ice cream mix containing 40% total solids is frozen so that half of the original water is made into ice (which is effectively pure water). If the mix contained 12% fat, 16% sugar, and 12% nonfat milk solids
What is its solubility under atmospheric conditions? (The partial pressure of CO2 in air is 0.00055 atm.) Assume that CO2 obeys Henry's law.
The car has a city mileage of 20 miles per gallon. If the car is replaced with the new car with city mileage off 32 miles per gallon and the average cost of gasoline is $3.62 per gallon, estimate the amount of fuel, energy, and money conserved wit..
Cholesterol in blood is measured in milligrams of cholesterol per deciliter of blood. Hospital blood banks normally store blood in samples of 500 milliliter polyethylene bags.
Which of the functions : sin3x, 6cos4x, 5x^3, 1/x, 3e^-5x, ln 2x, are eigenfunctions of d^2/dx^2. For each eigenfunction, state the eigenvalue.
a. On the basis of your intuitive understanding of the chemical properties of sodium and gold, where in your activity series would you place sodium and gold? b. Will hydrochloric acid react with gold metal to produce gold (III) ions and hyrdogen g..
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