From the list above list, choose ( you may choose each item only once)
A) An element that is a non-metal. = B) An element that is a metal. = C) A mixture that contains a metal and non-metal. = D) A compound that does not contain a metal. = E) A mixture that is made up of elements and compounds. = F) A compound that is made up of a metal and non-metal. = G) A mixture that contains two metal. = H) A mixture of water, sugar, alcohol etc. =
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)
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