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If 329 g water at 65.7°C loses 9730 J of heat, what is the final temperature of the water?
If 4.00 mol of calcium carbide (CaC2) reacts with an excess of water, how many moles of acetylene (C2H2), a gas used in welding, will be produced.
Compute the a)molarity of the solution, b)molality of the solution, c) mole fraction of Ammonia.
A sample of vinegar has a freezing point depression of 2.0 degrees C. What is the estimated percent by mass of acetic acid in the vinegar? Molar mass of acetic acid is 60g/mol
In the combustion reaction of 149 g of propane with excess oxygen, what volume of carbon dioxide if produced at STP?
Determine how many grams of solute would separate if the quantity of the solvent is 129 grams if a saturated solution of ammonium nitrate at 75 °C is cooled to fifteen degree Celsius?
A mixture of twenty five grams of potassium nitrate(KNO3) and two grams of CuSO4*5H20 with 11.5 grams of water at 100 degree celcius temperature, 15 g ramsof water are mixed.
Acrylonitrile, C3H3N (53.07 g/mol), is used in the synthesis of a variety of plastics. What mass of acrylonitrile can be produced from a mixtur.
One brand of laundry bleach is an aqueous solution containing 4.00% sodium hypochlorite by mass.What is the molarity of this solution.
what are some difference or similarity in the type of inhibition caused by heat, acid or base and heavy metal ions on enzyme activity.
Suppose that the solvent ethanol could serve to replace the methanol in this process, but at the expense of double the concentrations of the solvent in the atmosphere.
65.50 mL of 0.161 M HF is titrated with 0.1200 M NaOH. What is the pH at the equivalence point.
pH = log[H3O+] , pH + pOH = 14, [H3O+] * [OH-] = 1.0 X 10^-14, pH = -log(0.001) = 3 Could you show me a few of the steps between line one and two in both of these conclusions?
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