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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?
Determine the acid dissociation contant for a 0.10M acetic acid solution that has a pH of 2.87. Acetic acid is weak monoprotic acid.
Find the pH of a solution that has a weak acid concentration of 1.72 M and a weak base concentration
a student makes a standard solution of sulfuric acid by taking10.00 ml of a super concentrated stock solution and
For the reaction Cl2 + 2KBr -> 2KCl + Br2, calculate the percentage yield if 200 g of chlorine react with excess potassium bromide to produce 410 g of bromine
What is the mass of silver bromide AgBr precipatated from 2.96 g of iron (III) bromide FeBr3 ? FeBr3 + AgNO3 = AgBr + Fe(NO3)3.
1.25 moles of NOCl were placed in a 2.50L reaction chamber at427 deg C. after equilibrium was reached 1.10 moles of NOCl remained. Compute the equilibrium constant, Kc, for the reaction 2NOCl(g) 2NO(g) + Cl2(g).
calculate the mass of propylene glycol that must be added to 0.500 kg of water to reduce the vapor pressure by 4.60
a 35.00 ml sample of naoh solution is titrated to an endpoint of 14.76 ml 0.4122 m hbr solution. what is the molarity
How many grams of CaCl2 would be dissolved in 1.2 L of a 0.10 M solution of CaCl2?
Calculate Ka for hydrogen peroxide. you may use the reactions given on the data sheet, Kw=1.0x10^-14. Assume that hydrogen peroxide is a monoprotic acid.
you have a 5.68 g sample of a compound with the formula xcl2 where x is a metal cation. when the sample is treated with
Calculate the total quantity of heat required to convert 25g of liquid ccl4 from 35 ºC to gaseous CCl4 at 76.8ºC(the normal boiling point for CCl4). The specific heat of CCl is 0.857J/(g ºC), its heat of fusion is 3.27 kJ/mol, and its heat of vapo..
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