What is the usual oxidation number of oxygen in a compound? Question 5 options: + 1 + 2 - 1 - 2

What is the difference between a cast fossil and a mold fossil?

Which of these is the BEST example of physical weathering? A. insects eating a dead tree B. a bulldozer pushing soil C. ice fracturing a stone D. acid rain dissolving limestone

What 2 factors determine how easily water moves though a material?

How much is 35° C in F?

John walks at a steady speed if 3 mph. How long will it take him to travel 24 miles?

When 1 g of sodium chloride (NaCl) is placed in 100 g of water, a solution results. Once the solution is prepared, water is now considered what part of the solution?

1. How is pressure affected as depth increases? 2. As the sun heats the surface of the oceans, two layers of water result. What separates the layers? 3. How is temperature affected when? (a) the depth increases (b) the latitude increases 4.

Are nails in a jar with water a chemical change

What is the molarity of a solution composed of 4.73 g of potassium iodide (KI) dissolved in enough water to make 0.169 L of solution? Answer in units of M.

Suppose you were given a substance and asked to determine whether or not it was a plasma. Write the characteristics you would look for to identify the substance.