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The jewlers' mass unit for dimond is the carat. By, definition, 1 carat equals exactly 200 mg. What is the volume of a 1.00 carat diamond?
27.5 grams of hydrogen chloride is dissolved into 70.0 ml of water. Calculate the mole fraction for the hydrogen chloride that is dissolved in the water.
Find the change in entropy (S) for the system, surroundings and universe for the conversion of 1 mol of ice at 0 degrees C and 1.00 atm to 1.0 mol of steam (vapor) at 100 degrees C and 0.50 bar. Useful data might be
What is the maximum number of electrons in an atom whose highest-energy electrons have the principal quantum number n=5
This had to be done until the wash fluid that I removed after each wash registered as not acidic on a Congo red test paper. The product was then recrystallized, etc. What was the purpose of the wash. Why was it necessary to make the product less ac..
A graduated cylinder contains 10.0 of water. What is the new water level after 36.0 of silver metal is submerged in the water.
Some salts, like silver chloride, AgCl, are insoluble in water. What can we conclude if anything, regarding the energy required for separating and energy released for solvating the ions
How many grams of phthalic acid o-C6H4(COOH)2 would be neutralized in 16.2 ml of a 0.100N NaOH solution?
From your balanced equation what is the theorectical yield of calium carbonate. Na2CO3(aq) + CaCl2.2H2O(aq) => CaCO3(s) + 2 NaCl(aq) + 2 H2O(l)
What is the pH of a solution obtained by adding 5.00 g of HI to 295 mL of a 0.786 M solution of nitric acid?
one can of soup contains 305 grams of soup. The soup contains .885 grams of salt. What percent of the soup is salt
A disinfectant solution is made by dissolving 4.50 g of hydrogen peroxide (H2O2) in 143.2 g of water. Calculate the mass percentage of hydrogen peroxide in the solution. What is the concentration of hydrogen peroxide in parts per million? What is ..
Calculate the enthalpy per mole of sodium hydroxide for the dissolution process. Assume the specific heat of the solution is the same as that for pure water.
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