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Suppose we vaporize a mole of liquid water at 25 °C and another mole of water at 100 °C.
(a) Assuming that the enthalpy of vaporization of water does not change much between 25 °C and 100 °C, which process involves the larger change in entropy?
(b) Does the entropy change in either process depend on whether we carry out the process reversibly or not? Explain.
Menthol is a crystalline substance with a peppermint taste and odor. When 0.829 g of menthol is dissolved in 25.0 g of cyclohexane, the freezing point of the solution is lowered by 4.42 °C
Show the stereochemistry of the products you would expect when (2S,3S)-2,3-epoxypentane undergoes acid catalyzed hydrolosis.
A procedural change would be essential if a boy want to determine the tomato juice's acidity by titrating a sample of juice with NaOH(sodium hydroxide) solution Briefly explain What change would you make to the procedure ?
Question- You fixed 2 ml of 0.001 M agno3 with 4 ml of 1 M nacl. You then formed a voltaic cell using a silver strip with this test solution, and using agIagno3 (1.0 M) as the reference half cell. You found the cell voltage to be 0.510 v. Using th..
Use the equation pH= pKa + log ([conjugate base]/[acid]) to derive an expression showing the fraction of acid (f) in terms of its pKa and pH of the solution.
Some insects produce antifreeze in cold weather; the antifreeze is glycerol. How much glycerol must an insect produce per gram of body fluid (taken to be water) to survive at -5.0C
Urea is an organic compound widely used as a fertilizer. its solubility in water allows it to be made into aqueous fertilizer solutions and applied to crops in a spray. what is the maximum number of water molecules that one urea molecule can hydrog..
Cyclohexene as well as 2-hexyne both have the molecular formulaC6H10. How would you use infrared spectroscopy to distinguish between the two compounds
The greatest entropy of mixing
the molar heat of vaporization of acetic acid hc2h3o2 is 24.3 kj mol-1 at its boiling point. how many kilojoules of
As a reaction progresses backwards toward equilibrium K is the highest value Q attains. e) A reaction with no products present has an infinite Q value.
If a sample with an initial activity of 15 mCi(microcurries) is injected into a patient, what is the activity in 24 hours, assuming that none of the sample is excreted?
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