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the products of the combustion reaction of 1 mol glycerin are gaseous carbon dioxide and liquid water. write a balance chemical equation for the combustion of 1 mol glycerin, and calculate delta H for this reaction at 298K if burning 1 mol glycerin has a delta E of -54.6 kj
If 3.00 moles of ZnS are combined with 4.00 moles of O2 how many moles of ZnO can be produced and how many moles of the excess reactant will be left over?
If the temperature of the water in your reaction bowl is 23 C, what is the temperature of the hydrogen gas.
What is the percent by mass of NaHCO3 in a solution containing 50 g of NaHCO3 dissolved in 400 mL of H2O?
For bipyridine (bipy) determine the maximum number of coordination sites that the ligand can occupy on a single metal ion.
Determine the average atomic mass of helium, which has two isotopes having atomic masses 4.0026 amu and 3.0160 amu.The relative abundance of the two isotopes is 99.9999 percent and 0.0001 percent, respectively.
how does the rate of formation of O2 compare to (a) the rate of formation of H2O and (b) the rate of disappearance of H2O2?
What are some possible sources of error in your calculated atomic weight for Mg? A. Calculate the % Absolute error. B. Calculate the % relative error in the mass, volume, temperature, and other measurements.
CaH2(s) + 2H2O(l) Ca(OH)2(aq) + 2H2(g) How many grams of CaH2 (Molar Mass = 42.1 g/mol)are needed to generate 10.0 L of H2 gas if the pressure of H2 is 769 torr at 28.0°C?
the elemental mass percent composition of ascorbic acid (vitamin C) is 40.92% C, 4.58% H, and 54.50% O. Determine the empirical formula
What is the pH of Sodium Acetate solution before the HCL is added and after the HCL is added?
Using a sample of 0.385 g of Alka-Seltzer, the mass of Carbon dioxide is found to be 0.122 gram. Compute and enter response (in numerical value only) to three significant figures.
calculate the molecular weight of phosphorus if 2.3437 grams are dissolved in 50.00 grams of para-dibromobenzene and the solution freezes at 81.35 degrees C.
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