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Potassium nitrate has a lattice energy of -163.8 kcal/mol and a heat of hydration of -155.5 kcal/mol.
How much potassium nitrate has to dissolve in water to absorb 114 kJ of heat?
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If you carry out the reaction between table salt (NaCl) and copper(II) sulfate (CuSO4) in 100.0 mL of water, the salt copper(II) sulfate will behave similarly to the salts given in the tab named Slightly Soluble Salts. E ...
Calculate the number of moles of barium chloride in 427g of a 3.17% by mass barium chloride solution?
What is the chemical name for S6O and what is the chemical name for S7O2?
Suppose a tank is filled with A2(g) so that initial pressure is 0.8688 atm at temperature of 298K. Some of the A2(g) dissociates and when the system reaches equlibrium the total pressure in the tank is 1.275 atm. Calcula ...
This experiment involves collecting data for the cooling of water between 175 o -160. o F in different containers. What is 175 o F in celsius? Please report your answer correctly to three significant digits.
The common charges of an element can be related to the electron configuration of the element. Why would copper ions have 2 common charges? Explain each of them in terms of the electron configuration.
How many formula units of Na2SO4are present in a 450 gram sample of the salt? Use 6.022×1023mol-1 or Avogadro's number. Report your answer in scientific notation. Your answer should have two significant figures.
What wavelength of light (nm) is required to eject an electron with a speed of 2.0 x 10 6 m/s from a metal with a threshold energy of 3.4 x 10 -18 J?
What is an example of a specific transition metal solution, including the oxidation state of the transition metal, and the color of the solution, and the complex ion that the transition metal forms in that solution if ap ...
1. 2Cr(OH) 3 + 3Br 2 + 10OH - 6Br - + 2CrO 4 2- + 8H 2 O In the above redox reaction, use oxidation numbers to identify the element oxidized, the element reduced, the oxidizing agent and the reducing agent. 2. A tank ...
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As