CSEC Chemistry - Chemical Energetics 2

[@jcrich_tv1031]

you are truly a great help...these videos arre 10 times more useful than class

[@sudin28]

Isnt the mass supposed to be 112g instead of 100g?

[@csecchemistry]

+sudin sukhdeo You should use the mass of the water (100g). The salt will dissolve in the water. I've seen some books use the combined mass (mass of water and salt).

[@MrSrinath2001]

hi sir, you have not done heat of combustion in this video.

[@csecchemistry]

Hmm. You are correct. I'm going to be busy for a while, but If you have a particular question on heat of combustion you can email me and I will assist.

[@lexiyearwood1946]

Sir wouldn’t the temperature change be (19.4 - 29) because temperature change is final temperature minus initial temperature?

[@darion3780]

No because the intial temperature was 29°C and the final was 19°C. The temperature dropped

[@mikeywith4ys]

Why is this in my recommendation I got a D in my chem test