A galaxy is 650 million light years away. Based on Hubble's Law, how quickly is that galaxy moving away from us?
a.29.5km
b..33km
c.572km
d.14300km

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

What does a complete balanced chemical equation include? a. exothermic coefficients b. endothermic coefficients c. valence electrons d. molar coefficients

Adilute aqueous potassium nitrate solution is