Chemistry, 03.06.2021 01:10, parisaidan366
Which of the following 3 statements are true?
A Valence electrons are only found in the nucleus of an atom
B Electrons are negative and Protons are positive
C Protons and electrons are both negative
D
Valence electrons are only found in the outer most shell of an atom
E
Protons and electrons are found in the nucleus
F
Protons and neutrons are found in the nucleus and electrons are found in the cloud
G
Protons and neutrons are both positive
Answers: 3
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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
Which of the following 3 statements are true?
A Valence electrons are only found in the nucleus of...
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