Question

rdo/Downloads/CHEM+1000+-+ASSIGNMENT+WEEK+13.pdf CHEM 1000-ASSIGNMENT-WEEK 13 PLEASE COMPLETE THIS HOMEWORK ON YOUR OWN, AND ANSWER ALL QUESTIONS IN YOUR OWN WORDS. ANY REPETITION BETWEEN YOURS AND ANY OF YOUR CLASSMATES WORDING WILL RESULT IN ZERO POINTS FOR THAT QUESTION, AND IT MAY ALSO RESULT IN CONSEQUENCES DUE TO PLAGIARISM 1. (4 pts) A person who has trouble swallowing tablets can dissolve aspirin in water and drink the solution. The fastest way to dissolve the aspirin is to grind it to a powder and then dissolve it in hot water a. Why does powdered aspirin dissolve faster than an aspirin tablet? b. Why does aspirin dissolve faster in hot water than in cold water? 2. (4 pts) Some of the minerals found in rocks dissolve in water as it flows over the rocks. Would these minerals dissolve more quickly a. at the bottom of a waterfall or in a still pond. Why? b. In a cold mountain stream or in the warmer water downstream? Why?

Answer 1