Classroom Policies
The final assignment of the day
What is an assessment?
Goggles
What do we wear to protect our eyes during lab?
Change of form but no change in chemical properties
What is a physical change?
Write down the given
What is the first step in Dimensional Analysis?
Arrows are all bunched together but have missed the target
What is good precision but bad accuracy
10 minutes before class starts and ends
When can we not go to the restroom?
Food and drink
What is not allowed during lab?
A substance changes composition by forming one or more new substances
What is a chemical change?
2500
What is an example of a number that has 2 significant figures?
Arrows are all close to the center of the target and bunched close together
What is good precision and good accuracy?
All grades will be posted here
What is aeries
Closed toe shoes, no loose clothing, long hair tied back
What is the lab safety dress code?
Cutting something into two
What is an example of a physical change?
A conversion factor
What do you multiply the given by in dimensional analysis?
3.0 x 10^8
What is 300,000,000?
6 hours and 16 minutes
What is how much time of missed class will cause you to be dropped?
Put it back in the container
What should you not do with extra chemicals?
Setting something on fire
What is an example of a chemical change?
Placeholder zeros
What are zeros which are not significant?
1546
What is 1.546 x 10^3
The syllabus and the safety contract
What are the forms I need to return tomorrow signed?
Add acid to water
What is the correct way to mix an acid and water?
Precipitate forms, energy is absorbed or released, unexpected color change, bubbles form, smell changes
What are 5 signs of a chemical change?
Convert 70 grams into kilograms
What is 0.07?
2.95 x 10^-4
What is 0.000295?