You arrive in my class 5 seconds after leaving math which is 8.5 meters away. How fast did you travel?

You went 1.7 meters a second

Explanation:

Divide the meters by seconds arriving

8.5 / 5 = 1.7

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.

sodium i think the chemical element of atomic number 11, a soft silver-white reactive metal of the alkali metal group.