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Determine the amount of heat produced when 100 g of CH4 combust, CH4 + 2O2 yields CO2 + 2H2O + 1063kJ
Which molecular species would be necessary for the formation of the product in the reaction; a primary carbocation, a tertiary carbocation, a primary carbanion, a secondary carbanion or SO4?
A camera falls from a blimp that is 485 m above the ground and rising at a speed of 16.8 m/s. Find the maximum height reached by the camera with respect to the ground. The acceleration of gravity is 9.8 m/s2
The standard molar enthalpy of formation of ClF3 is -405 kJ. 1/2 Cl2(g) + 3/2 F2(g) → ClF3(g)
If 0.80 g of a gas occupies 295 mL at 25C and 680 mm Hg of pressure what is the molar mass of the gas?
A 29.0-g sample of water at 260. K is mixed with 48.0 g water at 340. K. Calculate the final temperature of the mixture assuming no heat loss to the surroundings.
Balanced thermochemical equation and enthalpy diagram, The decomposition of zinc carbonate, ZnCO3(s), into zinc oxide, ZnO(s), and CO2(g) at a constant pressure requires the addition of 71.5kJ of heat per mole of ZnCO3.
What is the percent yield of a reaction in which 222 g phosphorus trichloride reacts with excess water to form 141 g HCl and aqueous phosphorus acid (H3PO3)?
Determine ΔG for this reaction When A is full into a cylinder at a pressure of 9.89 atm and the system is permitted to come to equilibrium, the final pressure was 15.94 atm.? Express your answer in units of kJ/mol
A cylinder of oxygen gas contains 26.4 g of O2. Another cylinder, twice the volume of the cylinder containing oxygen (and at the same conditions of pressure and temperature), contains CO2 gas.
If 95.0 mg of fluorine-18 is shipped at 8:00 a.m., how many milligrams of the radioisotope are still active if the sample arrives at the radiology laboratory at 1:30 p.m.
The standard free energy of activation of a reaction X is 89.4 kJ mol-1 at 298 K. Reaction Y is one million times faster than reaction X at the same temperature.
A flask contains 0.260 mol of liquid bromine, Br_2. Determine the number of bromine molecules present in the flask.
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