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If the heat of combustion for a specific compound is -1210.0 kJ/mol and its molar mass is 46.97 g/mol, how many grams of this compound must you burn to release 107.00 kJ of heat?
given that mercury has a delta hvap of 59.11 kjmol and its normal boiling point is 356.7 degrees c calculate the vapor
What is the pH of a 5.52E-04 M solution of HCl. Report your answer to two places past the decimal point. WebAssign will check your answer for the correct number of significant figures
Describe and explain four ways in which and industrial chemist could increase the yield of nitrous oxide.
Principles of general chemistry second edition. In determining the average rate over an entire experiment, do I need to take the coefficients of the reactants into account?
A quantity of 18.68 ml of a KOH solution is needed to neutralize 0.4218g of a KHP what is the concentration of the KOH solution
Pete's Pizza Parlor has 79.9 lbs. of pizza sauce. If the pizza sauce is spread onto large pizza crusts 1.19 mm thick with a diameter of 15.0 inches, how many pizzas can Pete make. Assume the density of the pizza sauce is 1.101 g/mL
What is uncertainly in meters in the position of a helium atom if the uncertainty in its velocity is 1%
If a solution containing 17.76 g of mercury(II) perchlorate is allowed to react completely with a solution containing 5.102 g of sodium sulfate, how many grams of solid precipitate will be formed.
the mineral is pyroxene.1. recalculate the analysis into chemical formula.the formula should show the atoms of each
What is the pressure (in millimeters of mercury) inside a container of a gas connected to an open-end manometer filled with decane (density = 0.7300 g/cm3) when the level in the arm connected to the container is 765.3 mm in height higher than the ..
The taste of sour milk is lactic acid. What is the molecular formula for lactic acid if the percent composition is 40.00% of C, 6.71% of H, 53.29% of O and the approximate molar mass is 90 g/mol
Explain the difference between simple and fractional distillation. What are the differences in glassware used in simple vs. fractional distillation
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