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The heat of vaporization, ?Hvap, of a certain liquid at 25oC is 11.8. kJ/mol. If one mole of the liquid has an entropy of 164 J/K, what is the entropy of one mole of the vapor in equilibrium with the liquid at this temperature?
204 J/(mol . K)636 J/(mol . K)164 J/(mol . K)39.6 J/(mol . K)164 J/(mol . K)
At 800 k, Kc for the following equalibrium is 4.2 x 10 ^-3. 2HgO(s) 2Hg(l) + O2(g), suppose 96.5 g of mercury(ll) oxide is placed in a sealed 3.50 vessel at 800 k. What is the partial pressure of oxygen gas at equalibrium
How to calculate the theoretical yield for diels alder-synthesis of 1,2,3,4-tetraphenylnaphthalene which is generate from benzyne (anthranillic acid+ isomanyl nitrite) and the presence of 2,3,4,5-tetraphenylcyclopentadienone? Are we going to use ..
Antacid tablets are made from a variety of compounds. Sodium bicarbonate, magnesium hydroxide and calcium carbonate to name a few. Give the chemical formulas for these,
A mixture of water and graphite is heated to 600 K. When the system comes to equilibrium it contains 0.13 mol of H2, 0.13 mol CO, 0.43 mol of H2O and some graphite
1.) What are the possible values of the principal quantum number n. A.) represented by the formula: k!, where k is a positive integer B.)all the integer: -3,-2,-1,0,1,2,3, etc. C.)represented by the formula: n = 2k + 1, where k is a positive integ..
Which of the following underlined items is not an intensive property (a) A chemical reaction reqyuires 3.00g of oxygen (b) Solid copper hydroxide is blue colored (c) the density of helium at 25degree celsius
Calculate the zero-point energy of a harmonic oscillator consisting of a rigid CO molecule adsorbed to a metal surface by a bond of force
"Based upon what you know about the accepted mechanism for hydration, can you see any reason why this hydration should be 100% stereoselective?"
Calculate the pH of 0.500L of a buffer solution composed of 0.20 M butyric acid (CH3(CH2)2)2COOH, Ka = 0.000015) and 0.10 M sodium butyrate, (NaCH3(CH2)2COO).
What is the change in internal energy (in J) of a system that releases 675 J of thermal energy to its surroundings and has 5.60 * 10^2 cal of work done on it?
Rates of reactions: Rate = k [A]^m [B]^n where the reaction time = 1 / Rate. Two chemical experiments were performed to determine the exponent "n". (We will assume that "m" is known).
How many orbitals are there in a atom with the following combinations of quantum numbers? A). n=3 l=1 B). n=4 l=2 ml=2
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