Enzymes
Enzyme substrate complex look like what?
Lock and Key
Ripping a paper is an example of a physical or chemical change?
physical change.
A pH of below 7 is acidic, basic or neutral?
Is water considered polar or nonpolar?
Polar (it has both a negative and positive side)
The top number is called the ?
6
C
12
Atomic number
Enzymes or catalysts are able to increase the rate of chemical reactions by doing what to the activation energy?
lowering
Lighting a match is an example of a physical or chemical change?
Chemical change
pH of a 7 is acidic neutral or basic?
Neutral
When water attaches to other water?
Cohesion
The bottom number tells us the number of?
6
C
12
The enzymes connects to what (hint: starts with the letter 's')
Substrate
Name the product in the following chemical formula:
Zn + H2SO4 -----------> ZnSO4 + H2
ZnSO4 + H2
Capillary Action (adhesion and cohesion would also be accepted).
How many electrons does Boron have?
5
B
10
5
Enzymes are able to be reused. True or False?
True
Name the reactant in this formula:
Zn + H2SO4 -----------> ZnSO4 + H2
Zn + H2SO4
Lemon juice is an example of a acid, base or neutral?
Acid
Is salt mixed in water a solute or solvent?
solute
The '+' in Ca+ indicates?
Molecules that bind to an enzyme, decrease its activity, and prevent the enzyme from working.
Name 4 out of the 7 signs of a chemical reactions.
change in color; change in temperature; forms a precipitate; change in odor; formation of a gas; something is burning; light is being produced
Feels slippery
Basic
Oil does not mix with water because it is considered?
Hydrophobic
Cl (2-) means?
Chloride gained to electrons and is a negative charge.