The acid HA has pKa = 4.00. Use Equations to find the fraction in the form HA and the fraction in the form A- at pH = 5.00. Does your answer agree with what you expect for the quotient [A-]/[HA] at pH 5.00?

Agas at 155 kpa and standard temperature has an initial volume of 1.00 l. the pressure of the gas rises to 500 kpa as the temperature also rises to 135°c. what is the new volume? 2.16 l 0.463 l 0.207 l 4.82 l

No copying 15 pts how does a free-body diagram tell you about the net force on an object?

Areaction in which products can react to re-form reactants is