C6H12O6 + 6 O2 --> 6 CO2 + 6 H2O
It is a physical change when cream mixes with
coffee, it changes the color of the coffee. When you add more or less cream there
is a color change depending on the consistency of cream. The
properties are not changes and a no new compound is formed as in chemical
change with a reaction of two compounds, a new compound is formed with
different properties. So it is a physical change.
Answer:
one-half
Explanation:
cuz for a first order reaction is a half life independent of concentration and constant over time
