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If you have 5.25 grams of methane (ch4), how many grams of co2 will you produce ?
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Over the last 90 years, scientists have added to the body of evidence supporting the big bang theory. what is the latest piece of evidence discovered in 2014?
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Which sentence about particles in matter is true? a. atoms are present in solids and liquids but not in gases. b. the particles of matter are in constant motion. c. the same kinds of atoms are found in different elements. d. when a solid changes to a liquid, the sizes of the particles change.
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How many atoms are in a sample of 175 g of sodium (na)? a) 1.42 x 10^27 atoms b) 4.58 x 10^24 atoms...
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