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Calculate the osmotic pressure of a solution containing 20.00mg of hemoglobin in 16.3mL of solution at 25 ? C The molar mass of hemoglobin is 6.5×10^4 g/mol.II= ? atm
How can grains in a silo spontaneously explode? How is it that corn or any other grain can explode in a silo on it's own? How could a natural gas leak just cause corn to explode in a silo?
In a gas mixture, the partial pressures are argon 425 , neon 60 , and nitrogen 125 .What is the total pressure exerted by the gas mixture?
3.5 g of a hydrocarbon fuel is burned in a vessel that contains 250. grams of water initially at 25.00 C. After the combustion,the temperature of the water is 26.55 C.
A basketball with a volume of 3.50 Liters is left in a car when the temperature is 298 K. What will the volume of the ball be as the car heats up to 305 K during the day?
Determine the electron geometry (eg) and molecular geometry (mg) of CH3+1.
Calculate w (in kJ) when 597 g iron (III) oxide (MM = 159.7 g/mol) reacts with excess carbon to produce carbon dioxide gas at 459 K:
Cassify these compounds by whether they behave as strong acids, weak acids, strong bases, or weak bases in aqueous solution.
Calculate the entropy change. What would be the value of S if the heating were carried out irreversibly?
Bauxite, the principle ore used in the production of aluminum cans, has a molecular formula of Al2O3•2H2O. (a) Determine the molar mass of bauxite. (b) How many grams of Al are in 0.58 moles of bauxite?
Determine what is the exact volume of the 250-mL Erlenmeyer flask express your answer (in mL)?
The volume of a gas sample is 650. mL at STP. What volume will the sample occupy at 25.0°C and 950. torr pressure.
Determine How many mg of a 298 mg sample remains unreacted after twenty three days if 32P decompose by a first-order mechanism, half-life = 14.3 days.
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