Dimensional Analysis, Unit Conversions & Conversion Factors Made Simple! MCAT Physics Chemistry

Basics of Chemistry you need to know for MCAT
• All Fundamentals of Ge...
Everything you need to know to do math w/o calculator on the MCAT
• EVERYTHING YOU NEED to...
Understanding SI units
• Understanding the SI U...
Mastering dimensional analysis and unit conversion
• Dimensional Analysis, ...

[@zachsanchez8487]

I want to cry because i've struggled on CP on MCAT and have to void my exam, but this video helped me better understand and get the most of practice problems

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[@imosdefinite]

This in incredible, I never understood unit conversion and instead memorized formulas, so thank you so much for clearing this up!
Although, I’m struggling to apply the “each conversion has to equal 1” rule to the car example at 17:12 and the flask example at 18:15 (I understand the algebra but was caught off guard because It was a different operation to the examples before where we were looking for conversions that equal 1).

[@JT-tx2ns]

Can someone explain why he used 1x10^6 instead of 1x10^-6 for micro moles in the problem at 24:39? I thought micro was -6

[@patrickj8581]

Good question:
First of all, youre right that micro is 10^-6.
Second, hes doing the conversion for ONE mole. Therefore, 1 mole contains 1 x 10^6 micromoles since a micromole is 1 x 10^-6
If he was doing the conversion the opposite way (figuring out how many moles are in a micromole), then it would be 1 x 10^-6 moles.
In case youre still confused:
Let's use donuts. So you can have 1 donut or you can have a microdonut (which in this case we'll say its 1/6th of a donut)
So then, how many microdonuts in one donut? it would be 6 since a microdonut is 1/6th of a donut...lol I hope that helps

[@islamhegazy886]

Amazing explanation
Many thanks

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