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Chemistry, 24.03.2021 22:10 yselahernandez02
Which of the following best describes H2(g) + Cl2(g) 2HCl(g), H = -184.6 kJ/mol?
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A.
The reaction is endothermic.
B.
The reaction requires heat.
C.
The reaction produces heat.
D.
The reaction has no activation energy.
The answer is C. The reaction produces heat.
Answers: 1
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Tin has ten stable isotopes. the heaviest, 124sn, makes up 5.80% of naturally occuring tin atoms. how many atoms of 124sn are present in 82.0 g of naturally occurring tin? what is the total mass of the 124sn atoms in this sample?
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The tendency of water molecules to stick together is referred to as a) adhesion b) polarity c) cohesion d) transpiration e) evaporation
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In what environment would mineral formation caused by high pressures and high temperatures most likely occur?
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The three types is stress that act on earths rocks are compression, tension, and
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Which of the following best describes H2(g) + Cl2(g) 2HCl(g), H = -184.6 kJ/mol?
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