Who has been with us since day 1 when we started learning about moles?
Who is Mr. Mole?
300
What are the characteristics of a good dry-cleaning solvent?
What is a nonpolar dry-cleaning solvent
300
Polar loves polar; nonpolar loves nonpolar... this is known as what?
What is "like dissolves like"
300
A+B<-->C. Which letter(s) goes on the top part of the equilibrium expression?
What is C. (C/A*B)
300
Which element has the highest electronegativity?
What is Fluorine
300
Which solution would taste saltiest? 16 grams of 12M solution of saltwater or 7 grams of 25M saltwater?
What is 7 grams of 25M saltwater?
400
Which law (Boyle's, Charles', Gay-Lussac's, or Combined Gas) says V1/T1=V2/T2?
What is Charles' Law
400
List one of the ways you can increase the rate of dissolution of a solute
What is increasing the temperature, agitate/stir, or cut into smaller pieces.
400
How do people that live in high elevations make up for the lower levels of oxygen?
What is higher production of hemoglobin
400
Which element do people like to breathe in at birthday parties?
What is Helium
400
81 grams of Beryllium is roughly how many moles?
What is 9 moles
500
What is an example of Gay-Lussac's Law? (P1/T1=P2/T2)
What is a propane tank or aerosol can
500
Calculate the concentration in ppm if 75mg of HCl is dissolved in 1200g of solution.
What is 62.5 ppm (.075/1200g*10/\6)
500
When a change is imposed on a system at equilibrium, the position of the equilibrium shifts in a direction that tends to reduce the effect of that change.
What is Le Chatelier's Principle
500
Which element was used in the bomb dropped on Hiroshima?
What is Uranium
500
How many moles of oxygen are in 2.71 x 1025 molecules of carbon dioxide (CO2)