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Calculate the atom economy for each method for preparing 2,3-dibromo-3-phenylpropanioc acid.
The activation energy for a particular reaction is 88 kJ/mol. By what factor will the rate constant increase when the temperature is increased
What is the enthalpy of this reaction? Assume that no heat is lost to the surroundings or to the coffee cup itself and that the specific heat of the solution is the same as that of pure water.
Metallic aluminum reacts with MnO2 at elevated temperatures to form manganese metal and aluminum oxide. A mixture of the two reactants is 67.2% mole percent Aluminum. Find the theoretical yield(in grams) of manganese from the reaction of 270 grams..
Describe the preparation of 12 mL of a 0.050 M solution of each of the halogens, using the reactions in the preceding question. Available to you are solid Ca(OCl)2
How many grams of oxygen are collected in a reaction where 222 mL of oxygen gas is collected over water at a temperature of 25°C and a total pressure of 697 torr?
A bicycle tire is filled with air to a pressure of 81.0 psi at a temperature of 19°C. Riding the bike on asphalt on a hot day increases the temperature of the tire to 58°C. The volume of the tire increases by 2.0%. What is the new pressure in the ..
A plot of k versus 1/T has a slope of -7, 445. What is the E_a (energy of activation) for this reaction? OPTIONS: A. 90.79 kJ/mol B. 895.5 kJ/mol C
The heat of fusion of water is 335 J/g. How much heat would be required to melt 47.5 g of ice?
a gasoline additive used to boost octane ratings, delta H f has = -313.6 kJ/mol. C5H12O (l) + 15/2 O2 (g) ---> 5Co2 (g) + 6 H2O (l) Calculate its standard heat of combustion in kilojoules.
A mixture of gases containing 21.0 g of N2, 106.5 g of Cl2 and 12.0 g of He at 14°C is in a 50.0-L container. What is the total pressure in the vessel.
what the oxidation state P in PO4^-2? what the oxidation state O in PO4^-2?
Calculate the solubility of BaSO4 in (1) pure water, (2) 0.0125 M BaCl2, and (3) 0.0125 M KCl. What effect do BaCl2 and KCL have on the solubility of BaSO4?
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