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The combustion of liquid heptane (C7H16) in oxygen spontaneously occurs. The products of the reaction are carbon dioxide and water vapor. The enthalpy of this reaction is -4818 kJ. Using the given information, write the complete thermochemical equation for this reaction. Explain how you developed this equation, and specify what the equation tells us about the reaction?
if 0.80 g of sulfur dioxide at 10.00 atm pressure (pi) dissolves in 5.00 l of water at 25.0 degress celcius how much will sulphur dioxide dissolve in 1 l of water at 9.00 atm pressure (p2) and the same temperature?
how many molecules of hydrogen are contained in hydrate
The iron content of an ore can be determined by a redox titration using K2Cr2O7 as the titrant. A sample of the ore is dissolved in concentrated HCl using Sn2+ to speed its dissolution by reducing Fe3+ to Fe2+.
A homeowner uses 4.00 x 10^3 m^3 of natural gas in a year to heat a home. Assume that natural gas is all methane, CH4, and that methane is a perfect gas for the conditions of this problem, which are 1.00 atm and 20 C. What is the mass of gas used
consider the composition of dry air in 0 humidity is just about 21 o2 78 n2 and 1 argon by moles. compute the density
Calculate the number of Cl atoms in 15.84g of carbon tetrachloride
Two isotopic compounds are produced in the synthesis of a new therapeutic drug which must be separated by repeated chromatography cycles. In each cycle, the solution containing both compounds must pass through a chromatography column
How many moles of oxygen are required for the complete combustion of 4.0 moles of decane to give CO2 and H2O
25.0mL of 0.10 M NaOH is utilized to titrate 10.0 mL of an HCl solution of unknown strength. Find out the concentration (M) of the HCl solution.
After you ran reaction with 2g of ferrocene (MW= 186 g/mol), 2mL of acetic anhydride (density= 1.082 g/mL, MW= 102 g/mol) as well as 0.2mL of 85% HCl, you obtained 2.1 g of acetylated ferrocene MW= 228 g/mol. Explain what is the theoretical yield ..
ATP synthase utilize the proton gradient to drive ATP synthesis. Place the following steps of ATP synthesis in order from proton transport to synthesis of ATP
If four moles of sodium sulfate are dissolved in water how many moles of sodium ions would be in solution?
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