Answer the questions for each step in the essay box below.
Place about 3 mL of 0.01 M acidified iron (II) sulfate, FeSO4, in a test tube.
Using a clean eyedropper, add 6 drops of 0.01 M potassium permanganate, KMnO4, 1 drop at a time, shaking the test tube after each additional drop.
What do the reactants look like?
What happens when the reactants are combined? Make observations concerning anything that might indicate a chemical reaction, such as production of a gas or a precipitate, color change or temperature change (did the test tube get cold or hot?).
Why do you think a reaction has, or has not, occurred?
Using two clean eyedroppers, add 10 drops of 0.01 M sodium chloride, NaCl, to 10 drops of 0.01 M ammonium nitrate, NH4NO3.
What do the reactants look like?
What happens when the reactants are combined?
Why do you think a reaction has, or has not, occurred?
Answers: 1
Chemistry, 22.06.2019 03:10
Describe the difference between a. a hypothesis and a theory and b. an observation and an experiment.
Answers: 1
Chemistry, 22.06.2019 03:30
Melting and boiling are endothermic processes. this means that these processes absorb energy from their surroundings in order to occur. use this information and the data you collected in the phase change gizmo to describe what happens to the temperature of water when you boil it, then explain why this result occurs.
Answers: 2
Answer the questions for each step in the essay box below.
Place about 3 mL of 0.01 M acidified iro...
Mathematics, 10.07.2019 19:00
Mathematics, 10.07.2019 19:00
Mathematics, 10.07.2019 19:00
Mathematics, 10.07.2019 19:00
Mathematics, 10.07.2019 19:00
Mathematics, 10.07.2019 19:00
Mathematics, 10.07.2019 19:00
Mathematics, 10.07.2019 19:00
Mathematics, 10.07.2019 19:00