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Calculate the energy that must be transferred as heat to evaporate 1.00 kg of water at (a) 25 degrees celsius and (b) 100 degrees celsius
Which of the following nuclides have magic numbers of both protons and neutrons: (a) helium-4, (b) oxygen-18, (c) calcium-40, (d) zinc-66, (e) lead-208
The final temperature of the water in the calorimeter was 24.2 deg C. What is the heat capacity of the calorimeter?
Show that the energy transferred as heat when the pressure on an incompressible liquid or solid is increased by delta P is equal to -alphaTVdP. Evaluate q when the pressure acting on 100cm cubic of mercury at ) degre celcius is increased by 1.0kba..
Using the equation below assume we want to use 2.3 g of Fe(no3)3 in our experiment. how much NaOH will be needed for a complete reaction?
What is the relationship of the successive equivaleance point volumes in the titration of a polyprotic acid
The compound has a carbonyl group and cannot be oxidized to carboxylic acid. what is the structure of the compound consistant with this data
How many grams of calcium chloride would you dissolve in water to make a total .111 M calcium chloride solution with 200 mL final volume?
A 122 piece of metal is heated to 285 and dropped into 84.0 of water at 26. If the final temperature of the water and metal is 58.3, what is the specific heat of the metal.
Determine the volume, in mL, of 2.00 M HC2H3O2 required to prepare 100 mL of a 0.30 M HC2H3O2 solution?
When 9.6 g of an unknown non-electrolyte is dissolved in 50.0 g of carbon tetrachloride, the boiling point increased to 80.43 degrees C from 76.5 degrees C. If the Kbp of the solvent is 4.95 K/m, calculate the molar mass of the unknown solute.
What is the strongest attractive force that must be overcome in order to do the following: a) melt pure solid phosphorus pentachloride b) boil pure liquid selenium tetrafluoride
At 22 degrees celsius the vapor pressure of pure acetone, C3H6O is 189.2 torr and of pure diethyl ether C4H10O is 451.8 torr. calculate the mole fraction of acetone
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