what is the Meniscus?
concave surface of a liquid resulting from surface tension
where do you measure volume of a liquid?
bottom of meniscus
convert 123,000 to scientific notation
1.23 x 10^5
formula to convert F to C
1.8(*C) + 32
formula to convert C to F
(*F-32) / 1.8
basic units for length, mass and volume
meter, gram, liter
Formula to find area of a box
L x W x H
Substance that dissociates when dissolved in water
substance the reduces hydrogen ion concentration when dissolved in water
measure of power of the hydrogen ion concentration in a solution.
what id pH neutral?
plant pigment used as pH indicator
Ex: red cabbage extract
special solutions that help maintain pH by resisting changes.
3 ways to measure pH
pH meter, Anthocyanin indicators, pH paper
Know pH level with matching color
pH 2 = red
pH 3 = pink
pH 5 = violet
pH 7 = purple
pH 8 = blue
pH 12 = green
Which antacid neutralized acid best?
Chemicals used to test for presence of marcomolecules
interaction between oxygen molecules and other substances
What is Sudan IV?
used to test for lipids. Red stain
Mix of 2 or more liquids that are normally unblendable
Stabilizes an emulsion by increasing it's kinetic energy
Bonds between monomers broken down by addition of water
Difference between polar and non polar
polar like water (Hydrophillic)
non-polar doesn't like water (Hydrophobic)