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Write the net ionic equation for the reaction that occurs when an aqueous solution of hydrochloric acid reacts with an aqueous solution of ammonia. please find delta H also. Or at least give me the state at which each element is in.
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A 25.0-mL sample of 1.20 M potassium chloride solution is mixed with 15.0 mL of a 0.900 M lead(II) nitrate solution and this precipitation reaction occurs: 2KCl(aq) + Pb(NO 3 ) 2 (aq) -------> PbCl 2 (s) + 2KNO 3 (aq) Th ...
What was the initial energy level of an electron if it was excited by a photon of wavelength 38.9µm and jumped to an energy level of 10?
Calculate the volume in milliliters of a 1.8 mol/L iron(II) bromide solution that contains 150.g of iron(II) bromide FeBr2. Round your answer to 2 significant digits.
Bob, a sales manager for BuyMore, stopped by The Grill to meet a client for dinner. Bob always enjoyed having an expensive bottle of wine with dinner to impress his clients. This client, Mary, owns an antique import busi ...
You react 100.0 ml of a 1.01 M HBr(aq) solution with 99.1 mlof a 1.05 M KOH(aq) solution. The density of each solution is 1.04g/ml. The heat capacity of the calorimeter is 7.0 J/C. You observea ΔT of 6.3 C. Assume a 4.18 ...
What will happen if I decide to test the solubility of sodium chloride in ethanol which is less polar than water.
Predict whether a precipitation reaction will occur in the following situations. If a precipitation reaction occurs, enter the balanced chemical equation for the reaction. NiCl2(aq)+(NH4)2S(aq)→ AgNO3(aq)+CaBr2(aq)→
A chemist must prepare 725. mL of 275. mM aqueous copper(II) sulfate CuSO4 working solution. He'll do this by pouring out some 0.316 M aqueous copper(II) sulfate stock solution into a graduated cylinder and diluting it w ...
Determine the kinetic energy of a 75.0 kg mass moving at 61.3 m/s. Your answer should be in Joules.
Using data from unfiltered white light and the white light through the yellow filter, determine which two colors of light mix to form yellow. Support your conclusion with a quantitative discussion of relative peak intens ...
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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