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a reaction rate increases by a factor of 500, in the pressense of a catalyst at 37 degrees celcius. The activation energy of the orginal pathway is 106 KJ/mol. What is the activation energy of the new pathway, all other factors being equal?
A small collection of dimes and quarters are submerged in 10.00 mL of water in a graduated cylinder causing the water level to rise to the 18.87 mL mark. What is the combined monetary value (in Can$) of those coins?
Ammonium carbamate (NH2COONH4) is found in the blood and urine of mammals. At a temperature of 424 K, Kc = 0.080 for the following equilibrium:
Solid calcium oxide reacts with solid ammonium chloride to produce gaseous ammonia, gaseous water, and solid calcium chloride. If 112 grams of calcium oxide were mixed with 224 grams of ammonium chloride
The density of lead is 11.4 g/cm3 at 25°C. Calculate the volume occupied by 25.0 g of lead.
A mixture of 3.50 moles of B and 5.25 moles of C in a 20.0 L container is allowed to come to equalibrium. What is the equalibrium concentration of A?
How many grams of propane (C3H8) are required to heat all of the water in a 50 gallon water heater from 23.4oC to 65.0oC if the water heater (the jacket which contains the water)
what mass of magnesium will react wait a 500.0mL container of oxygen at 150.0 degrees Celsius at 70.0 kPa?
Calculate the pH of the buffer solution that results from mixing 65.0 mL of 0.15 M HCHO2 with 40.0 mL of 0.13 M NaCHO2
Determine the molarity of a saturated aqueous solution of NaI formed as 25degree celsius assuming that the added NaI does not add significantly to the volume of the water?
The solubility product of PbBr2 is 8.9x10^-6. Determine the molar solubility in the following. (a) pure water (b) 0.20 M KBr solution (c) 0.15 M Pb(NO3)2 solution
2H2S (g) + 3O2 (g) → 2H2O (g) + 2SO2 (g) If 3.50 G Of H2S Are Used In The Above Reaction, What Will Be The Theoretical Yield Of Water In Grams?
If 323 g of magnesium reacts with excess oxygen to produce 296 g of magnesium oxide, what is the percent yield for the reaction?
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