I went for a walk the other day. I went four blocks east, then seven blocks south, then one block west and finally eight blocks north
a. What distance did I travel?
b. What's my displacement?

Brainliesttt me asap! the below reaction can be categorized as more than one type of reaction. which reactions are these, and what are the types of reactions?

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

The mass of a neutron is equal to the mass of a proton plus the mass of an electron. true or false false true