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Calculate the frequency of a photon experiencing an energy of 3.67 x 10^-19 J
For an electron mobility of 500 cm2/N·s. calculate the time between collisions. (Ta ke mil = moin these calculations.)
Compare the energy cost in ATP equivalents of synthesizing separate from mitochondrial acetyl-CoA to the energy recovered by degrading separate to acetyl-CoA.
Which resonance structure for the SCN- ion and the COS molecule would you expect to be more stable
is believed to follow the mechanism H2O2 + I- ? H2O + IO- fast H2O2 + IO- ? H2O + O2 + I- slow At 25oC, the first step is fast relative to the second step. What is the rate law predicted by this mechanism?
A buffer may be prepared by mixing a weak acid with a roughly equivalent amount of strong base. Which of the acids below is best for the preparation of a buffer with a pH of 4.00
EDTA is utilized to slow microbial degradation of mayonnaise by preventing bacterial uptake of iron. Assuming that mayonnaise has a pH of 3.9 and a total iron content of 10-6 mole/liter, how much EDTA must be added to complex 99%
Consider a 2430-lb automobile clocked by law-enforcement radar at a speed of 85.5 mph (miles/hour). If the position of the car is known to within 5.0 feet at the time of the measurement, what is the uncertainty in the velocity of the car?
Predict whether a precipitate will form in the following experiments. write down the associated balanced chemical equations for the formation of the precipitate.
Compare with the conditions experienced by the full-scale airplane flying at 600 m/s at an altitude of 20, 000 m in a standard atmosphere.
If Ka is 1.85 x 10-5 for acetic acid, what is the pH of the solution at the equivalence point during a titration of 50.0 mL of 0.100 M acetic acid with 0.100 M NaOH
By adding mercury to the tube, he increases the pressure on the trapped air to 2.64 atm. Assuming constant temperature, what is the new volume of air in L?
a sample of nitrogren gas is collected in a 100 ml container at a pressure of 688 mm hg and a temperature of 565
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