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A 64 g piece of ice at 0 degrees celsius is added to a sample of water at 9 degrees celsius. all of the ice melts and the temperature of the water decreases to 0 degrees celsius. How many grams of water were in the sample?
A certain weak base has a Kb of 7.30 × 10-7. What concentration of this base will produce a pH of 10.07
a 5.0 dm3 sample of oxygen at a pressur of 200 kpa and 2.0 dm3 sample of nitrogen at a pressure of 500 kpa are
For the reaction for the formation of NaClO (below) , if you have 1.23 mol NaOH and 1.47mol Cl2, which is the limiting reactant? How many moles of NaClO could be obtained?
Complete and balance the following molecular equations, being careful to apply the solubility rules to the products.
The system CO2(g) + H2(g) *) H2O(g) + CO(g) is at equilibrium at some temperature. At equilibrium a 4.00 L vessel contains 1.00 mole CO2, 1.00 mole H2, 2.40 moles H2O, and 2.40 moles CO.
if the molecular weight of the compound is 120gmol then compute how many mg of the compound p do you have in 20ml of 4
Calculate the volume of concentrated reagent required to prepare the diluted solutions indicated.
What is the pH of this solution? What is the concentration of the molecular species H3PO4?
A 55 mL sample of 0.15M Ca(OH)2 is neutralized by 47.2 mL of HBR. What is the molarity of the acid?
Compound A (C10H16O3) is insoluble in H2O, but soluble in bicarbonate solution. It yields a 2,4-dinitrophenylhydrazone derivative. Catalytic hydrogenation of Compound A
Calculate the volume, in liters, of a 4.92 mol H2S(g) at 60 degrees C and 1.75 atm how do you do this
Calculate Delta Ssurr and Delta Stotal at 70 degree. B) Does benzene boil at 70 degree and 1 atm pressure? Calculate the normal boiling point of benzene.
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