00:01
This particular problem looks tough, but it really isn't.
00:03
You just have to keep track of your units.
00:05
We're given the following information.
00:07
At the end of 2019, there's about 6 .8 billion people in the world.
00:15
Of course, there's much more than that now.
00:18
That's 6 .8 times 10 to the 9 people.
00:24
What mass we're going to find kilograms of glucose needed to provide a 1 ,500 nutritional calorie per day per person for one year and we're going to assume that the equation is that we're going to have a very complete combustion which of course is not really true and we're given the following chemical equation that should be co2 and the heat of reaction is negative 2803 kilojoules and that will be per one mole of glucose.
01:39
Okay, so we're just going to set this up, and i'm going to start with people, and we're told that these people need a 1 ,500 nutritional calorie per day per person, and they're in 365 days in one year.
02:16
So thus for our days canceled out, and people cancel it, and we know how many nutritional calories we need...