Arsenic Acid (H3AsO4) is a triprotic acid with Ka1 = 5.5x10^-3 Ka2 = 1.7x10^-7 and Ka3 =5.1x10^-12. calculate [H+], [OH-], [H3AsO4], [H2AsO4^-], [HsO4^2-] and [AsO4^3-] in a .20M arsenic solution

Ryan, jessica, and mark each solved this system of equations. all of their answers are different. find and explain the mistakes. what is the correct answer? y = 3x + 2 6x – 2y = 10

All of the following physical reactions occur when our fight-or-flight response is triggered  except  a. dilating pupilsb. increasing heartbeatc. increasing digestiond. increasing perspiration  select the best answer from the choices providedabcd

The subject option isn't available. the topic is earth science!suppose you are a city engineer whose job it is to explore how to use more renewable energy in your locality. 1. consider the resources in your city and select one of the following: - hydropower -solar power -wind power -geothermal power 2. prepare a pamphlet or multimedia presentation to convince a committee of citizens and local leaders that the renewable energy source you have selected is best for you locality. in your pamphlet or presentation include: - a discussion of the renewable energy source that is best for your town and why -a discussion of the advantages and disadvantages of this energy source -a discussion of why you think your city should use more of this energy source -how the use of renewable energy will impact your city -pictures and/or charts and tables to strengthen your arguments