Apollo 9 launched in 1969. Its mission was to test the lunar model, the part of the space vehicle that would

take the astronauts to the moon. The astronauts in the

lunar module tested its engines and equipment while

they orbited Earth.

Which specific NASA goal did Apollo 9's mission focus

on?

Which statements are true about electrolysis? check all that apply. electrolysis requires an acid be present. electrolysis is described by two half-reactions. electrolysis is not an industrial process. electrolysis results in commercially valuable products. electrolysis involves the transfer of electrons. reduction results in the loss of electrons. oxidation results in the loss of electrons.

Sodium sulfate dissolves as follows: na2so4(s) → 2na+(aq) + so42- (aq). how many moles of na2so4 are required to make 1.0 l of solution in which the na concentration is 0.10 m?

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?