CH07 – The Mole!

Dates

• P4 – Wednesday, January 24th
• P5 – Thursday, January 25th
• P7 – Thursday, January 25th

Recap – Graph & Meaning

• slope of the line
• intercept – should it be (0,0)

New Idea – MOLES

• word = number
• 1 mole = 6.02 x 10²³
• examples

How big is a mole?

• If I start with a mole of dollar bills and spend a million dollars every second, how long would it take for the money to run out (years)? Note: this is a dollars-to-years conversion using dimensional analysis (units!)

Homework

• Ch. 3 Notes (sections 1, 2, 3)
• No need to wrtite out examples
• PDF to Schoology