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Problem- Suppose a hydrogen bond in water has an energy of about 2 kcal/mol. Suppose a "made" bond is the ground state in a two state model and a "broken" bond is the excited state. At T = 300K, what fraction of hydrogen bonds are broken?
Express your knowledge to solve the above question
A certain mass of oxygen was collected over water when potassium chlorate was decomposed by heating. The volume of the oxygen sample collected was 720. mL at 25.0 oC and a barometric pressure of 755 torr.
patients suffering from respiratory disorders are often treated in oxygen tents in which the atmosphere is enriched in
Provide a complete mechanism for the formation of 1,4-di-t-butylbenzene from t-butyl benzene, AlCl3, and t-butyl chloride. provide all resonance and intermediates. why is para preferred over meta and ortho
calculate the ph of a solution formed by mixing 250.0 ml of 0.15 m nh4cl with 100.0 ml of 0.20 m nh3. the kb for nh3 is
1. the normal boiling point of acetone is 56.5degc. at an elevation of 5300 ft the atmospheric pressure is 630. torr.a.
State the overall cell reaction as well as tell which way the electrons are flowing through the wire. Please explain and show all work to receive credit.
Which antacid product would you expect to be more effective at neutralizing acid on the basis of mass of the active ingredient: tums or milk of magnesia?
Question- CCl2F2 is considered to be environmentally safe and is used as a refrigerant. The heat of vaporization of CCl2F2 is 289 J/g.
During a lab experiment, we were to determine the relative level of saturation by adding, drop by drop, a solution of bromine in cyclohexane to oil and a fat, individually. However, the color that is supposed to be retained due to unreacted bromin..
Consider the titration of 30.0 ml of 0.025 M NH3 with 0.020 M HCl. Calculate the pH after the following volumes of titrant have been added.
What volume of 0.100 M NaOH is needed to make 100.0 mL of a buffer solution with a pH of 6.00 if one starts with 50.0 mL of 0.100 M potassium hydrogen phthalate?
You weighed out 204 mg of maleic anhydride. Which volume of 2,3-dimethylbutadiene will you need to add? The answer should be in mL with three digits after the decimal point.
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