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Calculate the change in copper entropy associated with cooling one mole of copper over the following two ranges. Use the full form of Cp (if Cp is needed).
a. from 1500 to 1356 K under equilibrium conditions at one atmosphere.
b. from 1500 to 400 K under equilibrium conditions at one atmosphere.
Calculate the pH of a solution prepared by mixing 20.0 mL of 0.01 M HCl with 100.0 mL of 0.10 M HCN. For HCN, Ka = 1.0 x 10- 10. Assume that the volumes are additive.
Pressurized carbon dioxide inflators can be used to inflate a bicycle tire in the event of a flat. These inflators use metal cartridges that contain 16.0 of carbon dioxide. At 290 , to what pressure (in psi) can the carbon dioxide in the cartridge..
NaCl(aq) + H2O(l) Cl2(g) + H2(g) + NaOH(aq) (b) How many moles of NaOH(aq) are formed in the solution in this process? _ moles of NaOH(aq) are formed.
A 25.00mL portion of 0.00923M NaOH (MM 40.00g/mol) was introduced into the solution of H2SO4 (MM 98.08g/mol), then the excess was back titrated with 13.33mL of 0.01007M HCl (MM 36.46g/mol). Calculate the parts per million of sulfur in the sample.
Predict whether each of the following solvents is miscible or immiscible with hexane,C6H14. 1.) formic acid, HCOOH immiscible or miscible 3.) methyl ethyl ketone, C4H8O immiscible or miscible 2.) methanol CH3OH immiscible or miscible 4.) chlorofor..
while out testing stream water quality in a local fresh water creek you measure the dissolved oxygen concentration to
A zero order chemical reaction with a rate constant of 0.0178 M/s has an initial concentration of 1.82M. Determine the time required for 80
calculate the final temperature of the mixture of 150 g of ice initially at 13.5 celsius and 278 g of water initially at 84.5 celsius
How many moles of carbon, hydrogen and oxygen atoms does a mass of 32.5grams of sugar represent? How many atoms of each type are there in this mass of sugar?
Draw Lewis structures to determine which of the following compounds exhibit resonance. Enter the letters corresponding to all those compounds which exhibit resonance
The resulting mixture exerts a pressure of 745 mm Hg at 95 C. What was the mass of the original sample?
If 27mL of 6.0 M sulfuric acid was spilled, what is the minimum mass of sodium bicarbonate that must be added to the spill to neutralize the acid?
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