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what is the wavelength ,in nanometers, of light with an energy content of 1979Kj/mol? In what portion of the electromagnetic spectrum i this light?
Give the structure of the phosphorus ylide and carbonyl compound you might use to prepare the following alkenes
if 836.8 Joules are added to 25 grams ammonia at 37 degrees Celsius, what will the final temperature be?
At 25C the acid dissociation constant for formic acid is 6.9x10-4. Calculate DG for this reaction. R=8.31x10-3 kj/K) Can you please help me work this problem.
describe how these three ions can be separated by adding NaI solution. Which will precipitate out first and last? Please solve and show EVERY step of the solution
The standard entropy of ethane (C2H6, S^0 = 229 J / (mol K) ) is higher than that of ethylene (C2H4, S^0 = 219 J / (mol K) primarily because ethane has _______ accessible ________ states than ethylene at 298 K.
calculate the temperature (in EC) at which the vapor pressure is 760 torr. The vapor pressure of Ethanol is 115 torr at 34.9EC
Would the following procedural errors cause an increase, a decrease, or no change in your calculated molecular weight? Indicate clearly the reasoning in each case.
If a sample has an initial mass of 2.24 grams and undergoes decay until it has a mass of 0.140 grams, how many half-lives have passed?
Consider the same dilution above for an SN1 reaction. Would the time required for 95% for the starting material to react change as a result of this dilution?
reacted with 0.0040 mol NaOH (very strong base) and then brought up to a volume of 1.0 liter with water. What is the pH of the resulting solution?
The mean velocities of HCl gas and NH3 gas at 25 degrees Celsius are 450m/s and 660m/s respectively. With these speeds in mind, briefly explain why so much time was required
how many grams of CrSO4 will be made from 41.0 grams each of Zn, K2Cr2O7, and H2SO4?
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