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The activation energy of a certain reaction is 52.9 kJ/mol. How many times faster will the reaction occur at 35 degrees C than at 25 degrees C?
What is the change in the measurement of the potential if a solution of 1.00x10-3 M NaF is exchanged for another solution of 1.00x10-4 M NaF?
if 28ml of 6.2 m sulphuric acid was spilled determine what is the minimum mass of sodium bicarbonate or sodium hydrogen
Determining System Equilibrium, A one-litre cylinder at 458'C is found to contain 0.36 moles of HI (g), 0.15 moles of I 2(g), and 0.18 moles of H2(g). Is this system at equilibrium?
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
What is the pH of the sodium phosphate buffer described in problem #1 if 1 ml of 10M NaOH is added? What is the pH of 1 liter of water if 1ml of NaOH is added?
Which solution has highest pH? A. 15 mM formic acid (Ka = 1.77 × 10-4) B. 15 mM Acetic acid (Ka = 1.74 × 10-5) C. 15 mM MES (Ka = 7.06 × 10-7) D. 15 mM NaH2PO4 (Ka = 6.2 × 10-8) E. 15 mM Tris-hydroxymethyl aminomethane (Ka = 8.32 × 10-9)
If the sun is a distance of 1.5 x 108 km from Earth, how many minutes does it take sunlight to reach earth if light travels at 186,000 miles each second
If you wished to prepare t-butyl propyl ether by a Williamson Synthesis, there are two possible combinations of materials you could choose as alternatives.
for a reaction with a rate law: rate = k[A]2[B], doubling the concerntration of A and tripling the concerntration of B will cause the rate to
The equilibrium constant Kc for this reaction is greater than one. based on this information, which of the following statements is correct. A- anion is a stronger acid than HB.
What are some commonly found hazardous chemicals found in hazardous waste sites
The crossed aldol condensation of acetaldehyde with benzaldehyde is aided by the fact that benzaldehyde bears no α-protons. However, a possible competitive reaction is the “selfcondensation†of two molecules of acetaldehyde.
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