Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
26 Cards in this Set
- Front
- Back
|
Solvent |
one or two or more atoms having the same atomic number but different mass numbers |
|
|
Solute |
a component of a solution that dissolves in water |
|
|
Isomer |
Each of two or more compounds with the same formula but a different arrangement of atoms in the molecule |
|
|
Isotope |
?? |
|
|
What is the paper that tests ph? |
litmus |
|
|
Red turns blue in the presence of |
basic conditions? |
|
|
Blue turns red in the presence of an |
acidic conditions? |
|
|
Name a strong acid from the ph scale |
battery acid |
|
|
Name a basic example from the ph scale |
lye |
|
|
Name a neutral example from the ph scale |
distilled water |
|
|
What are the characteristics of an organic molecule (macromolecule) ? |
carbon based, formed from a few elements joined together, each is built from a single typeof building block |
|
|
What are the four organic molecules and their monomers? |
1.) carbohydrates-glucose 2.) lipids-fatty acids 3.) amino acids-amino acids 4.) Nucleic Acids-nuclieic acids |
|
|
What are lipids used for in living things? |
1.) they are used for energy storage 2.) insulation 3.) helps with digestion |
|
|
What does a peptide bond form together? |
Is a chemical bond formed between two molecules when the carboxyl group of one molecule reacts with the amino group of the other molecule |
|
|
What is hydrolysis? |
add water |
|
|
Dehydration? |
remove water |
|
|
Lipids are _______________________ in water? |
soluble |
|
|
Label the following words in the enzyme-substrate illustration: active site, substrate, enzyme |
picture: |
|
|
What is activation energy? |
the least amount of energy required to activate atoms or molecules to a state in which they can start a chemical reaction. |
|
|
What are enzymes? How do they work? |
Enzymes act as a catalyst to start chemical reactions. They are recycled and used again |
|
|
Name the 4 environmental factors that affect enzymes? How? |
1.) Temperature- low temp will slow down, high temp will speed it up 2.) ph- any ph too far outside will denature it???? 3.) Toxins/chemicals- cover enzymes active site 4.) vitamins- bond to enzymes attach to the substrate |
|
|
What are the four properties of water? |
1.) polarity 2.) capillary action 3.) surface tension 4.) density |
|
|
What is polarity? |
electrons are not shared equally in a covalent bond |
|
|
What is capillary action? |
ability of water to move upward in smaller spaces |
|
|
What is surface tension? |
bipolar molecule enables it to dissolve a whole variety of substances |
|
|
What is density? |
Increases when a liquid becomes a solid |
