Calculate the ph of a buffer that is 0.145 m hc2h3o2 and 0.202 m kc2h3o2. the ka for hc2h3o2 is 1.8 × 10-5.

Which of the following true? a_volcanoes and earthquakes often near the plate boundaries. b_volcanoes occur whereve there are tall mountains. c_earthquakes cause volcanoes in the same location to erupt violently d_volcanoes and earthquakes occur only where plates are colliding with each other

Which of the following best describes the formation of plasma?

The identities of substances are the same before and after which type of change