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A. The activation energy of a certain reaction is 47.9 kJ/mol. At 27 Celsius, the rate constant is 0.0120 s^-1. At what temperature in degrees Celsius would this reaction go twice as fast?
B. Given that the initial rate constant is 0.0120 s^-1 at an initial temperature of 27 Celsius, what would the rate constant be at a temperature of 140 Celsius for the same reaction described in Part A?
In a laboratory experiment, students synthesized a new compound and found that when 14.10 grams of the compound were dissolved in 208.0 grams of ethanol, the solution began to boil at 78.9510C
How much heat is required to warm 227 g of ice from -44.5°C to 0.0°C, melt the ice, warm the water from 0.0°C to 100.0°C, boil the water, and heat the steam to 173.0°C.
How many milliliters of 1.50 M H2SO4 are needed to neutralize 50.0 g of NaOH?
There are 100 grams of water in the bucket, how much heat did the 100 grams of tungsten conduct to the water what was the initial temperature of the hot tungsten? Ctungsten = .04 cal/g×°C
If 1.26 L of H2 gas are formed at STP, how many gram of HCl reacted? The reaction is Zn(s) + 2HCl(aq) ( H2(g) + ZnCl2 (aq)
Iron has a body-centered cubic unit cell, and a density of 7.87 g/cm3. Calculate the edge length of the unit cell, in pm.
Calculate the number of O2 molecules it would take to consume 596 molecules of CS2.
At 600 degrees C, the equilibrium constant for the reaction 2HgO(s) --> 2Hg (l) +O2 (g) is 2.8. Calculate the equilibrium constant for the reaction 1/2O2(g) + Hg(l) --> HgO (s)
the equilibrium constant for a chemical transformation can be predicted from its stoichiometric coefficients whereas the rate law must be determined experimentally.
The object ofthis problem is to determine V40, the required volume ofthe 40% mixture. Calculate V40 and do a degree-of-freedom analysis.
which types of solutes tend to be insoluble in pure water but soluble in acid or in base
What is the theoretical yield(in grams) of aspirin ,C9H8O4, when 2.00g of salicylic acid,C7H6O3, is reacted with4.00g of acetic anhydride
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