00:01
Hello, here we are given a set of six questions, but all of them are related to the ideal gas equation and the different ideal gas laws.
00:13
So let's start with question number 26, which uses the boils law.
00:20
So the boils law states that p1 v1 is equal to p2 v2 at constant temperature.
00:27
So the data given to us is that p1 is 101 kilopascals multiplied by v1.
00:35
V1 is 50 .0 ml that is equal to p2 is what we need to figure out and v2 is 12 .5.
00:45
So when we rearrange the terms, we get that p2 is equal to 101 kilo -pascals multiplied by 50 .0 0 .0 divided by 12 .5 emil.
00:58
So when we do this, we obtain 404 kilopascals.
01:03
This is the answer.
01:05
Let's move on to question 27, which uses the formula v1 by t1 is equal to v2 by t2.
01:14
So now we are given that v1 is 0 .10 liter divided by, we are given 25 degrees celsius, but you have to remember that we have to convert it into kelvin.
01:26
So 25 degrees celsius plus 273, we get 298 kelvin.
01:33
So divided by 298.
01:36
This is equal to v2 is what we are required to find divided by 190 degrees celsius plus 273 that is 4 63 kelvin upon the rearrangement and computation we obtain v2 is equal to 0 .155 liters this is the answer to the second question now question number 27 now let's move on to question number 28 where we are supposed to use a formula p1 by t1 is equal to p2 by t2 we are given p1 is equal to 150 kilo pascal divided by t1 which is 35 degrees celsius plus 273 we obtain 308 kelvin this is equal to we're given p2 as well which is 250 kilodd divided by t2 so upon cross multiplication we get t2 is equal to 513 .3 kelvin but here we're asked to find the answer in degrees celsius.
02:43
So we subtract 273 and we obtain the answer to 40 degrees celsius.
02:49
Here we're rounding 5 .3 .3.
02:51
So this is the final answer.
02:55
Now let's move on to question number 29...