Units
What is the unit and symbol for mass?
Grams (g)
What tool do we use to measure volume in a lab?
Graduated cylinder
What can I say except...
You're welcome
Which type of change forms something new?
Chemical Change
What is the range for the pH scale?
0-14
What are the main units for volume?
mL or cubic centimeters (units cubed)
What tool do we use to measure mass in a lab?
Let it go, let it go...
Can't hold it back anymore
Changes in state of matter are considered what?
Physical Changes
What is the substance that is considered neutral, and what is the pH value?
7
What is the formula to find density?
mass / volume
What are the four checks for a microburner?
1. Check the hose for tears
2. Turn the gold pin all the way to the right, then 1/4 to the left
3. Tighten the barrel
4. Close the windows
Soaring, tumbling, freewheeling...
Through an endless diamond sky
The Statue of Liberty was originally copper in color before turning green. What type of change would this be and why?
Chemical Change - color change due to a oxidation
What is the range for an acid and base?
Acid: 0-6
Base: 8-14
What are units for volume (if we were measuring liquid)?
g/mL
What gas do we use for alcohol burners?
Ethanol
Put them together and what have you got?
Bibbidi-bobbidi-boo
You dissolve sugar into water to make sugar water. You then chop strawberries. You cook the strawberries with the sugar water to make jam.
1. Physical
2. Physical
3. Chemical
If stomach acid has a pH of 2 and coffee has a pH of 5, what is the weaker acid?
What are the 3 units for temperature?
Fahrenheit, Kelvin, Celsius
What is proper lab clothing protocol?
- Goggles on
- Long hair tied up
- Closed-toed shoes
- Dangly jewelry off
- Sleeves rolled up
No chance, no way...
I won't say I'm in love
What are 4 indicators for a chemical change?
- Production of an odor
- Production of a gas
- Production of sound
- Fizzing/Bubbling
- Color change
- Temperature change
- Precipitation
- Formation of a solid
- Light produced
You have an upset stomach and take a Tums to soothe it. What can we expect the pH of the Tums to be?
Weak Base (8-10)