Chemistry, 16.07.2019 20:40 camrynhelm8278
Asolution contains some or all of the following ions: sn4+, ag+, and pb2+. the solution is treated as described below: test 1) addition of 6 m hcl causes a precipitate to form. test 2) addition of h2s and 0.2 m hcl to the liquid remaining from test 1 produces no reaction. what conclusions can be drawn from the results of these two tests?
Answers: 3
Chemistry, 22.06.2019 18:30
Two people each hold the end of a rope and create waves by moving their arms up and down. this wave is best classified as a transverse wave because a) both the rope particles and the wave are moving in the same direction. b) the wave is moving up and down as the particles of the rope move horizontally. c) the wave is moving horizontally as the particles of the rope move up and down. eliminate d) the wave is moving in a parallel direction with the motion of the person's arms.
Answers: 3
Chemistry, 23.06.2019 05:40
The independent variable in an experiment will be the variable that you o a) change ob) hold constant ng c) observe for changes
Answers: 2
Asolution contains some or all of the following ions: sn4+, ag+, and pb2+. the solution is treated...
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