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How much heat is released during the formation of 3.18 mol HCl(g) in this reaction:H2(g)+Cl2(g) → 2HCl(g) with a ?H of -184.6 kJ. Express your answer in kJ.
Calculate the partial pressure of SO2. Calculate the partial pressure of Cl2. Calculate the equilibrium constant at this temperature.
Draw the structure of tristearin, a fat in which all the fatty acid units are stearic acid. Circle and identify all functional groups.
A person is exposed for three days to identical amounts of two different nuclides that emit positrons of roughly equal energy. The half-life of nuclide A is 18.5 days and the half-life of nuclide B is 255 days.
Assume a microwave oven operates at a frequency of 1.00x10^11 Hz. a) What is the wavelength of this radiation in meters. b) What is the energy in joules per photon. c) What is the energy per mole of photons.
What is the rate constant of a first-order reaction that takes 9.00 minutes for the reactant concentration to drop to half of its initial value?
A 65 kg man is on ice skates. The skates' blades have a total contact area of 2.0 cm^2. How much pressure does the man exert on the ice
Ethyl alcohol is organized industrially by the reaction of ethylene, C2H4 with water. Explain what is the percent yield of the reaction if 4.9g of ethylene gives 4.4g of ethyl alcohol
A solution is made by mixing 15.5 g of NaOH and 73.0 mL of 0.150 M HNO3. Calculate the concentration of OH- ion remaining in solution.
What is the change in enthalpy (in kJ) under standard conditions when 162.34 g of sodium sulfate dissolves in water? What is the enthalpy of combustion (in kJ/mol) for carbon under standard conditions?
the total elute from the column was diluted to 250 mL and a 50 mL aliquot was titrated with 11.35 mL of 0.10359 M sodium hydroxide. Calculate the percentage of ammonium ion in the sample.
Several minerals are metal carbonates as well as siderite is a mineral that is largely iron(ll) carbonate. State a balanced equation for the reaction of siderite with nitric acid.
Problem- Part 1) Calculate the change in enthalpy, in kJ, for the combustion of 6.75 moles of C6H14 in oxygen. Report your answer in scientific notation (X.XXEX) with three significant figures. Do not include units in your answer. The enthalpy of ..
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