I know the first answer is homogenous
because it can influence how frequently and sufficiently the particles collide depending on the space it has to do so, for example a large surface area would be have a slower rate of reaction and a lower temperature. (the rate of reaction in terms of concentration, it is diffused from high to low)
Acid-base indicator changes color based on pH.
drop some in a solution n watch the color changes. different indicators show different colors at different pH. they usually have standard colors for comparison.
Answer:
A horrible, nasty smell.
Explanation:
A choking smell is a nasty, horrible smell. Hope this helps!
The unit cm3 is used to express a cube using cm
