The Earth is approxiamately 1.5 X108km from the sun. How many minutes does

it take ligh to travel from the sun to Earth? Hint: the speed of light is 3.0 X 108

m/s.

Which property of matter is conserved in chemical reactions and shown by balanced equations? mass volume density shape

In the covalently bonded chemical compound acetate [CH3COO]-, the two carbon atoms have different oxidation states. What are its two oxidation states? A. +1 and - 2 B. +3 and - 4 C. +3 and - 3 D. +1 and - 4

Which of the following are places where water is stored? A. Oceans B. Lakes C. Rivers D. All of the above

Earth's magnetic field: 1) does not affect solar winds 2) is not affected by solar winds 3) protects Earth from radiations 4) creates gravitational forces

A student was cleaning out the laboratory refrigerator and stumbled across an unlabeled vial of a colorless liquid. In order to identify it, the student measured several of its properties. Which of the properties is an intensive property?

What are valency and radicals

Tell me some bad effects of Ethanol

How many moles of carbon dioxide are released daily by a humming birds respiration?

If a scientist creates a new rock-like substance in a laboratory, why wouldn't this type of material be classified as a true mineral?

Select the correct responses to the questions from the drop-down menus. Which wind blows cool air inland during the day? Which wind blows cool air toward the sea at night? Which winds blow steadily from specific directions and over long distances?