How many electrons in an atom could have these sets of quantum numbers? ������=2n=2 electronselectrons ������=5,ℓ=1n=5,ℓ=1 electronselectrons ������=7,ℓ=2,������ℓ=−1n=7,ℓ=2,mℓ=− 1 electrons.

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

To find the enthalpy of a reaction in the lab, you measured the of the reactants and the change during the reaction.

Determine the ph of 0.10 m nh3 solution. nh3 is a weak base with a kb equal to 1.8 x 10-5 round answer to nearest whole number.