Solute vs Solvent
In a mixture the ____ is being dissolved, and the ____ is doing the dissolving.
Solute; solvent
If coffee has a pH of 5, is it more acidic or more basic?
acidic
What are the 3 elements that make up carbohydrates?
carbon, hydrogen, and oxygen
What is the monomer of nucleic acids?
Nucleotides
Zinc has 30 electrons and an atomic mass of 65. How many neutrons does an atom of zinc have?
35
Name the solute and the solvent:
Kool-aid powder and water
Solute: Kool-aid powder
Solvent: Water
Substances with a pH range of 8-14 are more ____.
basic
What is the monomer of carbohydrates?
monosaccharides
What are the two examples of nucleic acids?
DNA and RNA
Lithium has 3 protons and a mass of 7. How many neurons do 4 lithium atoms have in total?
16
Name the solute and the solvent:
Vegetable soup and salt
Solute: salt
Solvent: vegetable soup
What is neutral and said to have a pH of 7?
water
What macromolecule is the source of long term stored energy?
Lipids
Enzymes are an example of which macromolecule?
Proteins
Isotopes are atoms of the same element that have different numbers of ____.
neutrons
Name the solute and the solvent:
Sugar and iced tea
Solute: sugar
Solvent: iced tea
Which has the most acidic pH?
Vinegar: 3
Baking soda: 9
Milk: 6
Stomach acid: 2
stomach acid
What is the monomer of proteins?
amino acids
When two sugars are joined together, they form a ____.
disaccharide
If chlorine has an atomic mass of 35 and 17 electrons, how many neutrons does an atom of chlorine have?
18
Name the solute and solvent:
Bathtub water and Bath bomb
Solute: bath bomb
Solvent: bathtub water
What is a substance that release hydrogen ions in a solution and lowers the pH called?
an acid
Amino acids have the same structure except for their ____.
R-group
What are the 4 elements that make up proteins?
carbon, hydrogen, oxygen, and nitrogen
Boron has an atomic number of 5 and an atomic weight of 11. How many neutrons does Boron-10 have?
5