Include states of matter. Write a balanced chemical equation for the equilibrium reaction occurring in a buffer containing NH3 and NH4Cl. Write the equation so that its equilibrium constant is equivalent to Ka.

An alkaline battery produces electrical energy according to the following equation. zn(s) + 2 mno2(s) + h2o(l) zn(oh)2(s) + mn2o3(s) (a) determine the limiting reactant if 17.5 g zn and 31.0 g mno2 are used. (type your answer using the format ch4 for ch4.) (b) determine the mass of zn(oh)2 produced. _ g

How many moles are in 7.2 x 10^23 carbon molecules? (*round to the nearest hundredth and include the unit "mol c" after your number) question 6 options:

650.j is the same amount of energy as? 2720cal1550cal650.cal2.72cal