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A piece of metal with a mass of 151 g is placed in a 50 mL graduated cylinder. The water level rises from 20. mL to 35 mL. What is the density of the metal?
The solubility of N2 in blood at 37°C and at a partial pressure of 0.80 atm is 5.6 10-4 mol/L. A deep-sea diver breathes compressed air with the partial pressure of N2 equal to 3.6 atm.
If 156 mL of wet H2 is collected over water at 24C and a barometric pressure of 736 torr, how many grams of Zn have been consumed?
The molarity (moles/L = M) of a solution of 4.0 g NaOH in a total volume of 100.0 mL (or 40 g in 1.0 L) is what?
Suppose 50 mL of 0.250 M CoCl2 solution is added to 25.0 mL of 0.350 M NiCl2 solution. Calculate the concentration, in moles per liter, of each of the ions present after mixing.
Amides undergo hydrolysis to carboxylic acids on treatment with alkali. Diagram a suitable mechanism for the conversion of benzamide to benzoic acid
Calculate OH- of each aqueous solution using the following H3o+ A baking soda 1.0 X 10-8M B orange juice 2.0 X 10-4
Calculate the Gibbs energy of the reaction (delta G rxn) at 25'C for the above rxn when all three gases are at 0.0010 atm. Kp = 1.8 x 10 ^ - 18
Write down the product for the reaction; Butane (forward and backward reaction)in the presence of Aluminium bromide and HBr at the temperature of 27 degree celcius/
A woman requires taking ibuprofen twice daily in 625mg amount. Each pill in the bottle is 250 mg then determine the number of pills the woman requires to consume each time she needs 625mg dosage
15.0 moles of gas are in a 5.00L tank at 22.2°C. compute the difference in pressure between CH4 and an ideal gas under these circumstances. The van der Waals constants for CH4 are a=2.300L2⋅atm/mol2 and b=0.0430 L/mol.
A 952 cm3 container of gas is exerting a pressure of 108 kPa while at a temperature of 48 oC. Calculate the pressure of this same amount of gas in a 1236 cm3 container at a temperature of 64 oC
A 1L steel tank has a safety valve that opens when the internal pressure exceeds 850 torr. The tank is filled with He at 23 oC and 0.991 atm.
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