Chemistry, 18.10.2019 07:30 greciakawaii
Aswimming-pool worker wants the pool's ph to be 7.2. she comes by to test the water and finds that the ph is 9.2. what should she do to correct this situation?
a. add water.
b. add base.
c. add acid.
d. do nothing.
Answers: 3
Chemistry, 22.06.2019 06:00
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
Answers: 3
Chemistry, 23.06.2019 00:20
What type of context clue you understand the meaning of quandary?
Answers: 3
Chemistry, 23.06.2019 04:00
What changes occur in the reaction indicated by the equation? check all that apply. the hydrogen nucleus loses protons. the oxygen nucleus gains protons. the bond in h2 is broken, and new bonds are formed between hydrogen and oxygen atoms. each electron associated with a hydrogen atom is shared with an oxygen atom.
Answers: 3
Aswimming-pool worker wants the pool's ph to be 7.2. she comes by to test the water and finds that t...
Mathematics, 23.10.2019 05:00