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Freon 11 was a favored refrigerant until it was determined to be detrimental to the atmospheric ozone layer. The heat of vaporization of CCl3F liquid is 25.2 kJ/mol and its normal boiling point is 24.0 C. Approximate the entropy of vaporization of CCl3F (liquid).
Chromium metal can be produced from the high temperature reaction of Cr2O3(chromium(III) oxide) with silicon or aluminum by each of the following reactions
Enter the simplest molecular formula for cyclopropane given that one molecular formula is (CH2)3. Enter formula in form of Cx Hy.
a 2.70 g sample of solid ch33nhcl s is dissolved in 446 ml of water in a coffee cup calorimeter. once all of the
a metal objet with a mass of 19 g is heated to 96 degree celcieus then tranfered to a clorimeter containing 75 g of
Metals and nonmetals can react with each other to form ions. Complete these statements. A potassium atom gain or loses(electrons/protons/neutrons)and to form how many ion?
what is the molarity of a solution created by dissolving 75.3 grams of sodium carbonate in enough water to create 2.50
liquid water and nitrogen monoxide gas are produced from the reaction of 22.7 grams of ammonia gas with 53 grams of
In electrophilic aromatic substitution, why does an amide group direct substitution to a position opposite to it on the aromatic ring. The N donates electron density to the ring by induction and destabilizes the intermediate that forms meta to it
At a certain temperature, the equilibrium constant, Kc, for this reaction is 53.3.at this temperature, 0.400 mol of H2 and 0.400 mol of I2 were placed in a 1.00-L container to react. What concentration of HI is present at equilibrium
A 55.0-{ g} piece of ice at 0.0 C is added to a sample of water at 8.0 C. All of the ice melts and the temperature of the water decreases to 0.0 C.
By combining your answers and using the average bond enthalpy for C-H (413 kJ/mol) calculate the average bond enthalpy for the carbon-carbon bonds in C6H6
provide a series of synthetic steps including reagents and intermediates by which ch32cch2 could be prepared from
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