What is the Continental Divide and what is its purpose? A continental divide is a boundary that separates a continent’s river systems. Each river system feeds into a distinct ocean, bay, or sea. The Loveland Pass, pictured here, is a continental divide in Colorado that separates water flowing into the Atlantic and Pacific ocean basins. […]
Which of the following relations is correct for permeability?
Which of the following are examples of hydrolysis reactions?
Which of the following are examples of hydrolysis reactions? Dissolving a salt of a weak acid or base in water is an example of a hydrolysis reaction. Strong acids may also be hydrolyzed. For example, dissolving sulfuric acid in water yields hydronium and bisulfate. Which is a hydrolysis reaction? Usually hydrolysis is a chemical process […]
Is it bad to always park on a hill?
Why is a 1982 D penny rare?
Why is a 1982 D penny rare? Newly found 1982-D Small date copper cent. The Mint switched over from striking copper-alloy to copper-plated zinc planchets sometime in mid-1982 as a cost saving measure – the copper-alloy planchets were too expensive to strike and the Mint was losing money. But it didn’t end there. What are […]
What acetone Cannot dissolve?
What acetone Cannot dissolve? Many kinds of plastic do not dissolve in acetone. Polypropylene and nylon are unaffected, PTFE unsurprisingly handles it just fine as well. Two kinds of plastic that do dissolve in acetone are PVC and polystyrene. Why is nail polish soluble in acetone but not in water? Nail varnish does not dissolve […]
Who is famous for playing the clarinet?
Who is famous for playing the clarinet? Famous Classical Clarinetists The clarinet is an integral part of any symphony orchestra and the list of notable clarinetists is lengthy. Among twentieth century musicians, three of the most-mentioned are Martin Frost, Sabine Meyer, and Richard Stoltzman. Is clarinet the hardest instrument to play? The clarinet is no […]
What does the water on the plastic wrap represent?
What does the water on the plastic wrap represent? This represents surface water, such as oceans, lakes, or streams. 4. Put plastic wrap over the top of the bowl, making sure it is on tight. What does the plastic wrap represent in this experiment? In the experiment, the beakers represented the earth’s atmosphere, the plastic […]
How do chefs use chemistry?
How do chefs use chemistry? Any cooking you do involves chemistry. The use of heat, cold, and cutting changes the composition of foods. Even simply slicing an apple sets off chemical reactions that change the color of the apple’s flesh. If you heat up sugar to turn it into syrup, you’re using a chemical reaction. […]