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A physician studying a mutant, hemoglobin, blood protein dissolves 0.0215 grams of this protein in water at 5.0 °C to make 1.50 ml of solution. The osmotic pressure of this solution is 0.00475 atm. What is the molar mass of this protein?
1.what key metabolic substance is formed directly from catabolism of all three major classes of foods carbohydrates
Given the reaction 6CO2+6H2O-> C6H12O6+6O2. What is the total number of moles of water needed to make 2.5 moles of C6H12O6?
It takes 46.0 to raise the temperature of an 10.9 piece of unknown metal from 13.0 to 24.7. What is the specific heat for the metal?
At what temperature will 1.05 mole of an ideal gas in 2.20 L container exert a pressure of 1.80 atm
A certain carbon-hydrogen compound contains 89.94% C by mass and the remainder is hydrogen. What is the empirical formula
Calculate the percent ionization of 0.085M lactic acid in a solution containing 0.050M sodium lactate
The EPA limit for lead in the water supply is 15 parts per billion by mass. Calculate the number of lead ions present in 1.00 kg of water that is at the EPA limit for lead.
In the dehydration experiment, several ml of saturated sodium chloride is used to transfer crude product after the initial distillation. Why is saturated sodium chloride, rather than pure water, used for this experiment.
One stereoisomer of a-ocimene, a monoterpene used in perfumery, is (E)-3,7-dimethyl-1,3,7-octatriene. Draw the structure of this triene.
Suppose that you have a supply of each of the acids listed in Table 11.1 and each of the bases listed in Table 11.2, as well as 1.00 M HCl solution and 1.00 M NaOH solution.
Use the distance between the charges (the spring length) BEFORE contraction to get the spring force (using coulomb's law) and divide that by the distance that it contracted to get the spring constant OR
When 20.0 g of a metal is placed in 9.0 mL of water, the volume increases to 14.5 mL. What is the density of the metal
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