Question:

The enthalpy of hydrogenation of cyclohexene is 119 5 kJ mol

Last updated: 7/4/2023

The enthalpy of hydrogenation of cyclohexene is 119 5 kJ mol

The enthalpy of hydrogenation of cyclohexene is 119 5 kJ mol If resonance energy of benzene is 150 4 kJ mol its enthalpy of hydrogenation would be a 208 1 kJ mol 1 c 358 5 kJ mol 1 2006 b 269 9 kJ mol 1 d 508 9 kJ mol 1

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Physical Chemistry
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A chemical industry generates wastewater that contains ethanol 130 mg L and methanoic or formic acid 400 mg L If the discharge flow is 80 L s what will be the BOD of the wastewater due to these two substances B water contains a concentration of sulfate ions of the order of 1 0 x 10 3 M and of carbonate ions of 1 0 x 10 5 M It is desired to precipitate the sulfate as strontium sulfate and for this SrCl2 0 is used 1 mol dm3 a Will this procedure work Prove with calculations Data Kps 5 6 x 10 10 for strontium carbonate and 3 4 x 10 7 for strontium sulfate
In an aqueous solution of volume 500 ml when the reaction 2Ag Cu Cu 2Ag reaches equilibrium the concentration of Cu ions is x molar To this solution 500 ml of water is added At the new equilibrium the concentration of Cu ion would be A 2x molar 1 C less than x molar 2 B between x and 2x molar D between 0 005x molar and 0 5x molar
Physical Chemistry
Equilibrium
In an aqueous solution of volume 500 ml when the reaction 2Ag Cu Cu 2Ag reaches equilibrium the concentration of Cu ions is x molar To this solution 500 ml of water is added At the new equilibrium the concentration of Cu ion would be A 2x molar 1 C less than x molar 2 B between x and 2x molar D between 0 005x molar and 0 5x molar
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Physical Chemistry
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Physical Chemistry
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Physical Chemistry
Equilibrium
Question 20 Given that at a certain temperature in a 1 5L vessel 5 0 mole of A 7 0 mole of B and 0 1 mole of C are present Then the value of equilibrium constant for the reaction A B 2C Heat is about a 7 22 x 10 5 b 2 31 10 4 c 7 22 10 4 d 6 11 x 105
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Physical Chemistry
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In a 1 0 L aqueous solution when the reaction 2 AB g Cu a Cu 2Ag reaches equilibrium Cu xM A4g M If volume of solution is doubled by adding water then at equilibrium A Cu M 48 MB Cu M 48 M 2 C Cu M 48 MC Cu M 48 M 2
Physical Chemistry
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In a 1 0 L aqueous solution when the reaction 2 AB g Cu a Cu 2Ag reaches equilibrium Cu xM A4g M If volume of solution is doubled by adding water then at equilibrium A Cu M 48 MB Cu M 48 M 2 C Cu M 48 MC Cu M 48 M 2
Solubility product of silver bromide is 5 0 x 10 13 The quantity of potassium bromide molar mass taken as 120 g mol to be added to 1 litre of 0 05 M solution of silver nitrate to start the precipitation of AgBr is AIEEE 2010 1 5 0 10 8 g 3 1 2 x 10 9 g 2 1 2 x 10 1 g 4 6 2 x 10 5 g
Physical Chemistry
Equilibrium
Solubility product of silver bromide is 5 0 x 10 13 The quantity of potassium bromide molar mass taken as 120 g mol to be added to 1 litre of 0 05 M solution of silver nitrate to start the precipitation of AgBr is AIEEE 2010 1 5 0 10 8 g 3 1 2 x 10 9 g 2 1 2 x 10 1 g 4 6 2 x 10 5 g
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Physical Chemistry
Equilibrium
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Physical Chemistry
Equilibrium
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