Which of the following aqueous solutions are good buffer systems?
.
a. 0.33 M acetic acid + 0.21 M sodium acetate .
b. 0.22 M hydroiodic acid + 0.25 M sodium iodide .
c. 0.10 M potassium hydroxide + 0.29 M potassium bromide .
d. 0.19 M hydrocyanic acid + 0.16 M sodium cyanide .
e. 0.33 M ammonium bromide + 0.34 M ammonia .

select all that apply

Determine the energy released per kilogram of fuel used. given mev per reaction, calculate energy in joules per kilogram of reactants. consider 1 mole of tritium plus 1 mole of deuterium to be a mole of “reactions” (total molar mass = 5 grams).

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

Select the correct answer from each drop-down menu.describe what happens to a carbon-11 atom when it undergoes positron emission.the decay of a carbon-11 atom _1_, and this causes it to emit _2_.options for 1: > changes a neutron into a proton> changes a proton into a neutron> is hit with a neutron> reconfigures its protons and neutronsoptions for 2: > a negatively charged electron-sized particle> a positively charged election-sized particle> two atoms and several neutrons> two neutrons and two protons