HELP ME PWhat are the reactants in a chemical reaction? O A. The ending substances
B. New substances that are formed
O c. All substances that are involved
O D. The starting substances

Calculate the h3o+ concentration in a solution of acetic acid if the concentration of molecular acetic acid present at equilibrium is 9.97x10^-3 m and k for the dissociation is 1.86x10^-5. ch3cooh(aq)+h2o(> h3o^+(aq)+ch3coo^-(aq)

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

As you watch a surfer ride a wave towards the shoreline, what is the shoreline? a) displacement reference b) reference point c) coordinate plane d) cartesian boundary