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In a hydrogen fusion reaction, two lighter hydrogen nuclei merge to form a heavier, more stable helium nucleus. The energy that is released in a hydrogen fusion reaction is
Select one:
A: the same as the energy released in the fission reaction of hydrogen.
B: much greater than the energy released in a hydrogen chemical reaction.
C: less than the energy released in chemical reactions of hydrogen.
D: equal to the change in the mass of hydrogen during the reaction.
Answers: 3
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The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call
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The table compares the number of electrons in two unknown neutral atoms. comparison of electrons atom number of electrons a 10 d 11 use this information to determine the number of valence electrons in the atoms. which of the following correctly compares the stability of the two atoms? both are unreactive. both are highly reactive. a is unreactive and d is reactive. a is reactive and d is unreactive.
Answers: 3
Chemistry, 22.06.2019 13:30
Which of the following natural processes is most likely to support the formation of an underwater sinkhole? a pollution buildup from deposited minerals b limestone cave collapsing due to changes in sea level c erosion of large amounts of sand moved by ocean waves d oxidation of rock formed by chemical weathering
Answers: 1
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In a hydrogen fusion reaction, two lighter hydrogen nuclei merge to form a heavier, m...
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