Which of the following statements is true? a.) nuclear decay rates vary with the conditions of the reaction, but chemical reaction rates do not. b.) chemical reaction rates vary with the conditions of the reaction, but nuclear decay rates do not. c.) neither chemical reaction rates nor nuclear decay rates vary with the conditions of the reaction. d.) both chemical reaction rates and nuclear decay rates vary with the conditions of the reaction.

When the earth was formed and cooled, why did nickel and iron end up in the center of the earth while basalt and granite ended up in the outer layers

1) in saturated limewater, [h+ ]=3.98x10-13 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 2) in butter, [h+ ]=6.0x10-7 m. a) find [oh]-/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 3) in peaches, [oh]=3.16x10-11 m a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? / 4) during the course of the day, human saliva varies between being acidic and basic. if [oh]=3.16x10-8 m, a) find [h+ ]/ b) what is the ph? / c) is the solution acidic, basic, or neutral? /

What is the maximum number of electrons that an atomic orbital can contain?