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A metal cylinder has a length 7.2cm along with diameter of 1.4. It is dropped in a graduated cylinder filled with water upto 61.3ml mark. At what mark must the water level rise after the cylinder is dropped
Calculate the number or calories of heat energy required for warming 34.6g of water from 18.9 celsius to 29.9 celsius
Why must compounds be spotted above the level of the development solvent in the develop- ing chamber
A gaseous fuel mixture stored at 752mmHg as well as 298K contains only methane (CH4) and propane (C3H8). While 12.6 L of this fuel mixture is burned it produces 762kJ of heat.
A sample of hydrogen gas was collected over water at 21°C and at a pressure equal to the atmospheric pressure of 748 mm Hg. The volume of the sample was 512mL. Explain how many grams of H2 are in the sample. The vapor pressure of water at 21°Cis 1..
What mass of sucrose should be combined with 521 of water to make a solution with an osmotic pressure of 8.15 at 285 ? (Assume the density of the solution to be equal to the density of the solvent.)
Express your answer numerically in calories using two significant figures.
Determine the partial pressure and the total pressure using Dalton's law of partial pressures - Determine the total pressure of the mixture.
Using the method of successive approximations, what is [H3O+] in 0.00500 M CH2ClCOOH(aq) (Ka=1.4x10^-3) and how many iterations (n) are needed to validate that a constant value had been obtained? Express [H3O+] using two significant figures, follo..
The high resolution mass of a compound was measured to be 187.0878, Determine a likely molecular formula for this compound and explain how you arrived
a solution of ammonia and water contains 3.30times1025water molecules and 6.90times1024 ammonia molecules.how many
Calculate the temperature in K for a blackbody radiation with ?max = 700 nm. ( the wavelenght corresponding to the maximum in the planck distribution at the temperature T)
Explain what major respect is NO2 a more important species than SO2 in terms of participation in atmospheric chemical reactions
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