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Problem- Calculate the change in entropy of 1.0 L of water at 0 degrees C when it absorbs 470 J of energy from a heater. (b) If the 1.0 L of water is at 99 degrees C, what is the entropy change? (c) Explain any difference in entropy change.
Demonstrate all steps to describe the solution of above question
What is the heat capacity of the bomb?(Assume that the quantity of water surrounding the bomb is exactly 2250 g).
Calculate the relative proportions of two conformers A and B in a compound, assuming that an energy of 15.5 kj/mol is required
Predict the IR bands and the NMR signals which are expected to be useful in assigning the molecular structure. List only the most important IR bands expected.In anticipating the NMR spectrum, predict the approximate chemical shift
at 80 deg c the vapor pressures of pure liquids x y z are 385 190 66 mm hg respectively. what pressure must be exerted
Problem- An unknown sample of phosphoric acid was determined by the method used in this experiment. the sodium hydroxide was standardized by titration of 0.133 g of oxalic acid dihydrated with 26.37 ml of sodium hydroxide. 10.00 ml of the unknown ..
A metal rod has a mass of 17.62 g. A graduated cylinder contains 28.9 mL of water. The metal rod is added to the cylinder. The final water level in the cylinder is 35.1 mL. What is the density of the metal rod?
The half life of a first order reaction is 13 min. If the initial concentration of reactant is 0.085 M, what is its concentration after 8.2 minutes.
For phenylanaline can be modeled as particle on a ring. Calculate the probability of finding electrons in one half of the ring from the ground state
Initially a mixture contains 0.760 mol each of N2 and O2 in an 8.26-L vessel. Find the composition of the mixture when equilibrium is reached at 3900°C. For the reaction below, the Kc = 0.0123 at 3900°C.
Which two reagents below would you choose to synthesize 3-ethyl-2-phenyl-2-pentene using the Wittig procedure? (triphenylphosphine, solvents, and a base are provided)
for the reaction X(g) + 3Y(g) equilibrium 3Z(g). Kp=2.08x10^-2 at a temperature of 277 degrees Celsius. Calculate the value of Kc
determine the mass of precipitate in grams that forms when 213.8 ml of 0.132 m cacl2 solution is reacted with excess
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