The ph is a solution remains constant in the presence of a buffer if acid or base is added beyond the buffer capacity. true or false.

According to the tide table below what time of day will the highest tide occur?

Which characteristics can be used to differentiate star systems? check all that apply.

1) which of the following is the best example of a physical change? a) sugar dissolving in tea b) firefly glowing 2) in the combustion of ethane, what is/are the reactants? c2h6 + o2 ==> co2 + h2o a) c2h6 and o2 b) co2 and c2h6