Question 2 (5 points)
Evidence gathered by studying the composition and movement of distant
g...
Question 2 (5 points)
Evidence gathered by studying the composition and movement of distant
galaxies indicates that the universe expanded rapidly from a single small
point. The universe has continued to expand for over 13 billion years.
Which statement is in agreement with the current understanding of the
expanding universe?
оа
Ob
All matter and energy were contained inside the small point.
Matter and energy came from dark areas of the universe and were attracted to the small point.
Matter and energy fell into the small point the same way a black hole attracts matter and energy.
Matter was condensed into a single point until energy was attracted to the matter from dark areas of the universe.
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Answers: 1
Chemistry, 22.06.2019 11:00, daniel1480
Problem page combustion of hydrocarbons such as pentane ( c5 h12 ) produces carbon dioxide, a "greenhouse gas." greenhouse gases in the earth's atmosphere can trap the sun's heat, raising the average temperature of the earth. for this reason there has been a great deal of international discussion about whether to regulate the production of carbon dioxide.(a) write a balanced chemical equation, including physical state symbols, for the combustion of liquid pentane into gaseous carbon dioxide and gaseous water. (b) suppose 0.350 kg of pentane are burned in air at a pressure of exactly 1 atm and a temperature of 20.0 degree c. calculate the volume of carbon dioxide gas that is produced. be sure your answer has the correct number of significant digits.
Answers: 2
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