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A 20 degrees Celsius, the solubility of potassium nitrate is 30g in 100g of water. A 35 gram solution of potassium nitrate in water was determined to contain 10 grams of KNO3. The solution is
-unsaturated
-saturated
-supersaturated
-supercritical
What is the identity of the precipitate and what is the change in enthalpy of the reaction per mole of copper? Assume the calorimeter absorbs negligible quantity of heat and the specific heat and density of the solution are that as pure water.
Water contained in a piston-cylinder assembly undergoes two process in series from an initial state where the pressure is 10 bar and the temperature is 40°C. at first, the water is cooled as it is compressed at a constant volume to 150°C.
Determine what is the longest possible wavelength of light that could ionize an atom of bismuth if the first ionization energy of bismuth is Ei1 = +70 kJ/mol.?
How much energy would be required to melt 74 g of HCl at its melting point of -110.8 ? C? ?Hfus for HCl is 14.2 cal/g and ?Hvap for HCl is 98.7 cal/g. Answer in units of cal.
which of the following will be more soluble in acidic solution than in pure water?
Once the reaction is complete, the student collects 1.23g of aspirin. Determine the theoretical yield and percent yield of aspirin.
what is the mole fraction of hydrogen in a gaseous mixture that consists of 8.00 g of hydrogen and 12.00 g of neon in a 3.5 liter container maintained at 35.20 degrees celsius?
What would the pH of a raindrop be if the concentration of CO2 increases to 600 ppm at 20 degrees C? Show all steps.
What are the two pKa values for carbonic acid? What is the pH of a 0.100M solution of potassium bicarbonate. What is the pH of a 0.100M solution of potassium carbonate
Considering the given equation Fe2O3 (s) + 3 CO (g) ? 2 Fe (s) + 3 CO2 (g) this is The overall reaction for the production of iron from iron ore (Iron (III) oxide) determine How many kilograms of iron are required to form 10,000 kilograms of Fe?
How many moles of hydrogen gas are produced when 0.066 mole of sodium is completely reacted?
Determine how many pills does the female require to take each time she wants the dosage of 375miliigrams?
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