What is the enthalpy, change of enthalpy

Assignment Help Chemistry

Reference no: EM13169623

A 4.50-g sample of LiCl at 25 C dissolves in 25.0 mL of water also at 25 C. The final equilibrium temperature of the resulting solution is 60.8 C. What is the enthalpy, change of enthalpy, of LiCL expressed in kj per mole?

Reference no: EM13169623

Questions Cloud

Calculate how mangy grams of a solid to dissolve : How do you calculate how mangy grams of a solid to dissolve in water to make a solution given the milliliters and the molarity? Such as given 100 mL of .1000 M Sr(NO3)2.

Why do primary alkyl halides typically undergo : Why do primary alkyl halides typically undergo Sn2 substitution reactions more rapidly than do secondary or teritary alkyl halides?

How many moles of electrons are transferred : When you use the half reaction method to balance the redox reaction between one mole of NBS and ascorbic acid to give L-dehydroascorbic acid and succinimide, how many moles of electrons are transferred.

Explain pentanone are constitutional isomers : 2-Methylpentane and 4-methyl-2-pentanone are constitutional isomers with the molecular formula C6H12O.each shows a molecular ion peak in its mass spectrum at m/z 100.

What is the enthalpy, change of enthalpy : A 4.50-g sample of LiCl at 25 C dissolves in 25.0 mL of water also at 25 C. The final equilibrium temperature of the resulting solution is 60.8 C. What is the enthalpy, change of enthalpy, of LiCL expressed in kj per mole?

How many minutes will it take the nitrogen molecule : The average speed of a nitrogen molecule at 20oC is 515 m/sec. How many minutes will it take the nitrogen molecule to cover exactly 20 km?

Write reaction equations to explain how your acetic acid : Write reaction equations to explain how your acetic acid/sodium acetate buffer reacts with an acid and reacts with a base.

State what relative masses of dimethyl amine : what relative masses of dimethyl amine and dimethyl ammonium chloride do you need to prepare a buffe

Explain the equation and write the net ionic equation : The double-replacement reaction below results in the formation of the precipitate lead chloride. Balance the equation and write the net ionic equation.

User Account

All Pages