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What is the expected freezing point of a solution of 110.5 g of H2SO4 in 225 g of water? Assume sulfuric acid completely dissociates in water.
How many milliliters of 1.50 M H2SO4 are needed to neutralize 50.0 g of NaOH?
how many grams of sucrose C12H22O11 must be added to 522g of water to give a solution a vapor pressure 2.0mmHg less than that of pure water at 20 degrees celsius
how much energy is needed to heat 24.8g water from 64 degrees to 123 degrees celsius?
A refrigeration tank holding 5.00 L of Freon gas (C2Cl2F4) at 25°C and 3.00 atm pressure developed a leak. When the leak was discovered and repaired, the tank had lost 76.0 g of the gas.
What would be the value of the change in concentration of C10H12/change in time during the same period of time? Explain why a catalyst for a forward reaction must also be a catalyst for the reverse reaction. Include an energy level diagram
Commercial concentrated aqueous ammonia is 28% NH3 by mass and has a density of 0.90 g/ml . What is molarity?
C2H6+O2 ---> CO2+H2O Calculate the mass of H2O that should form if 1.5 g of C2H6 is combusted in the presence of 2.5 g of O2.
Consider the reaction 2 Al2O3(s) → 4 Al(s) + 3 O2(g). ?H = +3339.6 kJ/mol What is ?H for the formation of one mole of Al2O3(s) from the elements
How many grams of ethylene glycol C2H6O2 must be added to 1.15kg of water to produce a solution that freezes at -3.68 degrees celsius?
This assignment inhibits chemistry Laboratory Questions.
Calculate the amounts of C 7 H 8 , C 7 H 16 , and H 2 in the output stream express your answer (in mol s -1 ).
Given that the partition coefficient for a solute is K in a water-ether solvent extraction system, is it more effective to do one extraction with V mL of ether or three extractions with V/3 mL of ether
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