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As air becomes more dense, (select all that apply) o. air weighs less o. gas molecules are closer together o. air is colder o. air weighs more o. gas molecules are further apart o. air is hotter
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If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?
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Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat
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Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.
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A compound contains only carbon, hydrogen and oxygen. Combustion of 10.68 mg of the
compound yields...
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