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Suppose that the reaction A---> products is exothermic and has an activation barrier of 75kJ/mol. Sketch an energy diagram showing the energy of the reaction as a function of the progress of the reaction. Draw a second energy curve showing the effect of a catalyst.
Calculate the pre-equilibrium concentration of Fe3+(aq) in a solution made by mixing 2.8 mL of 2.010?3 M Fe(NO3)3 and 7.2 mL of 2.010?3 M NaSCN. Assume the final volume is 10.0 mL.
A 21.6 mL volume of 0.107 M NaOH solution, reaches the stoichiometric point in the titration of a 25.0 mL aliquot of nitrous acid, HNO2. What is the molar concentration of the HNO2 solution
A pt has a blood Ca level of 4.6 mEq/L If 1mol Ca2+= Eq Ca2+ what is the blood calcium levle in mg/dl
to obtain the same antifreeze protection requires 76g of propylene glycol to replace each 62g of ethylene glycol. to
What is the energy of a photon of green light with a frequency of 5.51 multiplied by 1014 s-1
Determine the mass of carbon dioxide (in g) produced from the complete combustion of 1.40×10-2 g of C6H10 with excess oxygen.
Tungsten crystallizes in a cubic unit cell with an esge length of 3.165 (Angrstroms)and with a tungsten atom on each of the corners of the unit cell and in the center of the unit cell
making it an excellent choice as a standard acid. What is the concentration of a NaOH solution, if it takes 62.00 mL to neutralize a 0.0778 g sample of the acid?
How much energy (in kilojoules) is released when 14.0 g of steam at 129.0^C is condensed to give liquid water at 78.0C? The heat of vaporization of liquid water is 40.67 kJ/mol, and the molar heat capacity is 75.3J/ K mol for the liquid and 33.6 J..
As early as 1938, the use of NaOH was suggested as a means of removing CO2 from the cabin of a spacecraft according to the following (unbalanced) reaction: NaOH + CO2 → Na2CO3 + H2O.
27.5 grams of hydrogen chloride is dissolved into 70.0 ml of water. Calculate the mole fraction for the hydrogen chloride that is dissolved in the water.
gaseous hydrocarbon required 50 mL of oxygen for complete combustion. If 30 mL of CO2 gas were evolved, what is the molecular formula of the hydrocarbon?
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