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Explain Ethyl chloride (CH3CH2Cl) decomposes when heated to give ethylene (C2H4) as well as HCl. The reaction is first order.The preliminary concentration of ethyl chloride was 0.001 M. Subsequent to heating at 500 C for 155 seconds this was reduced to .00067 M.Explain what was the concentration of ethyl chloride after 256 seconds?
Copper has a specific heat of 0.092 cal/(g·°C). When 52.7 cal of heat is added to a piece of copper, the temperature increases from 22.4°C to 38.6°C. What is the mass of the piece of copper
Find the concentration of Pb2 in 0.0010 M KI saturated with PbI2. Include activity coefficients in your solubility-product expression.
Many animals depend on trees and bushes for: a)Shelter, b)Pollination, c)Seed Dispersal, d)Sunlight
The solubility of silver sulfate in water is 0.223% (w/v) at 35°C. Calculate the solubility product of this salt at this temperature
how do you prepare 50mL of 0.15M malonic acid, 0.020M manganese sulfate and 0.5% (w:v) starch from malonic acid CH2(COOH)2 reagent grade, starch (soluble), and manganese (II) sulfate monohydrate, MnSO4.H2O (s)?
How many kilojoules are released when 75.0g methanol is burned
Procaine hydrochloride (M = 272.77 g/mol) is used as a local anesthetic. Calculate the molarity of a 4.666 m solution which has a density of 1.1066 g/mL
What is the pH of a solution prepared by mixing 50.0 mL of 0.10 M methylamine, CH3NH2, with 20.00 mL of 0.10 M methylammonium chloride, CH3NH3Cl
When a 3.03x102 g strip of zinc is dropped into a large beaker containing excess hydrochloric acid, how many grams of gas are formed?
Calculate the pH at the equivalence point in the titration of 56 mL of 0.10 M methylamine (see Table 15.4) with a 0.20 M HCl solution.
A 455-g piece of copper tubing is heated to 89.5 Celcius and placed in an insulated vessel containing 159g of water at 22.8 degrees Celcius. Assuming no loss of water and a heat capacity of 10.0 J/K for the vessel, what is the final temerature? (c..
Determine the pressure in a 14.6 L cylinder filled with 0.440mol of N2 gas at a temperature of 327K.
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