00:01
So the question asks you to calculate the approximate amount of the reaction in kj per mole.
00:12
So first of all, you want to calculate the total mass of the solution.
00:16
So we know that the total volume of the solution is 50 mil plus 100 mil.
00:22
So the total volume is 150.
00:33
Assume the density of the solution, let's say, is 1 gram per mil.
00:37
Then the mass equals volume, multiply.
00:50
By density, 150 gram.
01:04
So we calculate the delta change.
01:06
We know that the change of the temperature is from final or initial 24 .1 to final, 25 .2.
01:17
So t final minus t initial.
01:40
So calculate the heat absorbed by the solution will be the next one.
01:56
So q equals mass and the specific heat 4 .20 joule gram degree celsius multiplied by delta t...