Recent content by watermarked

I did draw a diagram, but it turned out to be incorrect -- I was thinking south of east instead of east of south. Thanks for your help!

Homework Statement A 12kg shopping cart rolls due south at 1.5m/s. After striking the bumper of a car, it travels at 0.80m/s at 30. degrees E of South. What is the magnitude and direction of the change in momentum sustained by the shopping cart? Homework Equations p = mv The Attempt at a...

No -- since the question only mentions that it takes place under "acidic conditions", I assumed it was under standard acidic concentrations. I guess that assumption was wrong, since it isn't one of the options. Thanks for your help.

Homework Statement A redox titration is carried out by adding Purple KMnO4 solution from a burette to a solution of H2O2 in a flask. Which of the following would occur in the flask before the equivalence point is reached? The answer is: The solution is colorless and O2 is formed. The other...