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(a) Using data in Appendix C, estimate the temperature at which the free-energy change for the transformation from I2(s) to I2(g) is zero.What assumptions must you make in arriving at this estimate?
(b) Use a reference source, such as Web Elements (www.webelements.com), to find the experimental melting and boiling points of I2.
(c) Which of the values in part (b) is closer to the value you obtained in part (a)? Can you explain why this is so?
Which of the following compounds will have the highest molar solubility in pure water. Answer A. PbSO4, Ksp = 1.82 × 10-8 B. MgCO3, Ksp = 6.82 × 10-6 C. AgI, Ksp = 8.51 × 10-17 D. PbS, Ksp = 9.04 × 10-29 E. FeS, Ksp = 3.72 × 10-19
Explain how much heat in kilojoules is required to warm 10.0 of ice, primarily at -15.0, to steam at 125. Define the heat capacity of ice is 2.09 and that of steam is 1.84.
Compute the wavefunction and the probability to tunnel, for a proton in the potential: V(x)=0, when x 0.00 nm, and V(x)=2.0*10-19 J otherwise.
Is there an easy way to get a quick and dirty comparative coefficient of friction for water vs a solution of sodium bicarbonate and water? I only have the most basic of chemistry skills. Is there a chart you could point me to?
Calculate the molar concentration of HCl if 25 mL of the HCl solution quantitatively react with 19.58 mL of an 0.1062 M solution of NaOH. Write the balanced equation.
if the half life of a certain radioactive element is 1,250 years what is the percent of atoms remaining after 7,500 years is ?
The higher heating value (HHV) of a fuel is its standard heat of combustion at 25 C with liquid water as a product; the lower heating value (LHV) is for water vapor as product.
Calculate the volume of 6.0 M sulfuric acid H2SO4 solution required to neutralize the excess potassium hydroxide, KOH, solution from the first step of the synthesis. Indicate clearly your calculations and reasoning.
this gas is compressed to a volume of 286 mL and the pressure increases to 901 torr, what will be the new temperature of the gas (reported to three significant figures in °C)
Explain the results for the tube in which 1.0 M of NaOH was added to benzoic acid. Write an equation for this. Now describe what happened when 6 M of HCl was added to this same tube and explain this result.
A solution is made by combining 10.0 mL of 16.5 M acetic acid with 5.60 g of sodium acetate and diluting to a total volume of 1.50 L. Calculate the pH of the solution.
You are about to perform a reaction that requires 1.25 mol of CaCl2 to go to completion. The solution available in the stock room has a concentration of 33 % w/v. How many mL of this solution will you need to use? A. 46 mL B. 420 mL C. 0.034 mL D...
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