You are exploring the universe in your spaceship, and you land on a planet that is very similar to Earth. You encounter humanoid life forms that are comprised of molecules containing many carbon atoms (just like humans on Earth). And just like here on Earth, there are three isotopes of carbon: 12C, 13C, and 14C. However, on this new planet that you have discovered, the average isotopic mass of carbon is 13.101 amu. What can you conclude about this planet that you have discovered? Mark any/all that apply. Of the three isotopes of carbon, 14C has the greatest percent abundance. Half a mole of methane (CH4) on this new planet has a greater mass than half a mole of methane (CH4) on Earth. Of the three isotopes of carbon, 12C has the greatest percent abundance. Half a mole of methane (CHA) on this new planet has a lower mass than half a mole of methane (CH4) on Earth. Of the three isotopes of carbon, 13C has the greatest percent abundance.

Chemistry: The Molecular Science
5th Edition
ISBN:9781285199047
Author:John W. Moore, Conrad L. Stanitski
Publisher:John W. Moore, Conrad L. Stanitski
Chapter1: The Nature Of Chemistry
Section: Chapter Questions
Problem 118QRT
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You are exploring the universe in your spaceship, and you land on a planet that is very similar to Earth.
You encounter humanoid life forms that are comprised of molecules containing many carbon atoms
(just like humans on Earth). And just like here on Earth, there are three isotopes of carbon: 12C, 13C, and
14C. However, on this new planet that you have discovered, the average isotopic mass of carbon is
13.101 amu. What can you conclude about this planet that you have discovered? Mark any/all that
apply.
Of the three isotopes of carbon, 14C has the greatest percent abundance.
Half a mole of methane (CH4) on this new planet has a greater mass than half a mole of methane (CH4) on
Earth.
Of the three isotopes of carbon, 12C has the greatest percent abundance.
Half a mole of methane (CH4) on this new planet has a lower mass than half a mole of methane (CH4) on
Earth.
Of the three isotopes of carbon, 13C has the greatest percent abundance.
Transcribed Image Text:You are exploring the universe in your spaceship, and you land on a planet that is very similar to Earth. You encounter humanoid life forms that are comprised of molecules containing many carbon atoms (just like humans on Earth). And just like here on Earth, there are three isotopes of carbon: 12C, 13C, and 14C. However, on this new planet that you have discovered, the average isotopic mass of carbon is 13.101 amu. What can you conclude about this planet that you have discovered? Mark any/all that apply. Of the three isotopes of carbon, 14C has the greatest percent abundance. Half a mole of methane (CH4) on this new planet has a greater mass than half a mole of methane (CH4) on Earth. Of the three isotopes of carbon, 12C has the greatest percent abundance. Half a mole of methane (CH4) on this new planet has a lower mass than half a mole of methane (CH4) on Earth. Of the three isotopes of carbon, 13C has the greatest percent abundance.
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