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Find the entropy change of the system and of the surroundings if 3.000mole of water freezes reversibly at 1.000atm. the freezing temperature is 0.00C at this pressure, and the specific enthalpy change of fusion is equal to 79.7cal/gm at this temperature.
477 J amount Energy is added to a 74.0 grams sample of H 2 O at a temperature of 21 degree Celsius. Determine what will be the final temperature of the H 2 O?
A mixture of O2, CO2, and N2 has a total pressure of 697. torr. In this mixture the partial pressure of O2 is 143. torr and the partial pressure of CO2 is 197. torr. What is the partial pressure of the N2 (in torr)?
A 2.30-g sample of a large biomolecule was dissolved in 16.0 g of carbon tetrachloride. The boiling point of this solution was determined to be 77.85°C.
Transesterification of a certain triglyceride produced one molecule of methyl oleate and two molecules of methyl linoleate. Draw the original triglyceride.
What is the value of Delta S when 2.7g of CH4 is compressed from 29.0 L to 18.0 L at a constant temperature of 100 C?
At equilibrium, the flask containing the reacting mixture Ni(s) + 4 CO(g) --> Ni(CO)4(g) contains 232 torr CO, 1240 torr Ni(CO)4, and 1.82 g Ni at 510°C. What are the Kc and KP for this reaction
Coal as fired, contains 2.5% moisture. On the dry basis the coal analysis is as follows: carbon -80%, hydrogen- 6%, oxygen-8%, ash- 6%. The flue gas analysis.
How many bonds and how many lone pairs are around the sulfur of SO3? a double or triple bond counts as one bond
placed in 1.00*10^3 g of water at 25C. final temp of this mixture was 26.3C. What is specific heat of metal?
Provide an example of the following mechanism by choosing an appropriate reactant and reagent then drawing curly arrows to show how the mechanism proceeds.
A 3.18 L sample of hydrogen chloride (HCl) gas at 1.64 atm and 31 degrees C is completely disolved in 710 mL of water to form hydrochloric acid solution. Calculate the molarity of the solution. Assume no change in volume
Write a complete stepwise mechanism for the reaction of cyclopentanone with bromine in acetic acid to give 2-bromocyclopentanone. Show all intermediate structures and all electron flow with arrows.
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