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Question - Calculate the entropy change accompanying the melting of 9 g of ice to water at 0 °C. The heat of melting is 5.98 kJ/mol b) by what factor would the same molar quantity of an ideal as have to expand to achieve the same increase in entropy?
n2 g 3h2 g ? 2nh3 heatwhat are the conditions favoring maximum conversion from reactant to product in terms of
A solution of NaOH(aq) contains 7.4 g of NaOH(s) per 100.0 mL of solution. Calculate the pH and the pOH of the solution at 25 °C.
in part a of the experiment you will need to generate some 0.60 m acetic acid solution by dilution of a stock
Calculate the energy and the wavelength, in nanometers, of light emitted when an electron in an excited hydrogen atom falls from the n=3 level to the n = 1 level.
What happens when an electron loses energy? What happens when an electron abosrvs energy? Loses energy What happens when an electron loses energy? abosrvs energy?
when a 0.6333-g sample of a compound of carbon hydrogen and sulfur was burned in excess oxygen 0.9272 g co2 0.3795 g
Question- Does the reaction 2 FeO(s) + 1/2 O2(g) Fe2O3(s) occur spontaneously at 298 K and standard state conditions?
Sucrose, C12H22O11, is a nonelectrolyte; hypochlorous acid, HClO, is a weak electrolyte; and nitric acid, HNO3, is a strong electrolyte. What are the solute particles present in aqueous solutions of each compound
A stock solution of 1.24 x 10^-4 M dye is available in the lab. What volume of the stock solution must be transferred to a volumetric flask to prepare a 25.00 mL dilution with a concentration of 2.00 x 10^-5 M?
One mole of sucrose weighs 342.3 grams. 1mol=6.02*10^23 molecules. Dietary fats (typically 18-20 carbons) contain about 9 dietary calories per gram. Assume all food consumed goes to making ATP
how do you calculate the number of equivalents of NaOH required to reach the equivalence point?
Why is it easier to tear a paper towel off a full roll than off a used (smaller) roll? What are the two forces that normally act on you when you are standing on the Earth? Are these a third-law force pair? Explain
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