Which one statement in italics is NOT correct? Other given information is correct. O a. The enthalpy change for freezing 1 mol of water is -6.0 kJ. This process is exothermic. O b. When 1 mole of NH4NO3 dissolves in water, the temperature of the water decreases. This dissolution process is endothermic. When sodium bicarbonate decomposes, heat is absorbed from the surroundings. Thus, the decomposition of sodium C. bicarbonate is exothermic. Od. The condensation of steam of liquid water is exothermic. 1 mol of Ca +1 mol Br2 has a higher enthalpy than 1 mole CaBr2. Thus, the combination reaction of calcium with bromine to give calcium bromide is exothermic. Oe.

Chemistry by OpenStax (2015-05-04)
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Author:Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser
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Chapter11: Solutions And Colloids
Section: Chapter Questions
Problem 3E: When KNO3 is dissolved in water, the resulting solution is significantly colder than the water was...
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Which one statement in italics is NOT correct? Other given
information is correct.
O a. The enthalpy change for freezing 1 mol of water is -6.0
kJ. This process is exothermic.
Ob. When 1 mole of NH4NO3 dissolves in water, the temperature
of the water decreases. This dissolution process is
endothermic.
Oc. When sodium bicarbonate decomposes, heat is absorbed
from the surroundings. Thus, the decomposition of sodium
bicarbonate is exothermic.
O d. The condensation of steam of liquid water is exothermic.
1 mol of Ca +1 mol Br2 has a higher enthalpy than 1 mole
CaBr2. Thus, the combination reaction of calcium with
bromine to give calcium bromide is exothermic.
Oe.
Transcribed Image Text:Which one statement in italics is NOT correct? Other given information is correct. O a. The enthalpy change for freezing 1 mol of water is -6.0 kJ. This process is exothermic. Ob. When 1 mole of NH4NO3 dissolves in water, the temperature of the water decreases. This dissolution process is endothermic. Oc. When sodium bicarbonate decomposes, heat is absorbed from the surroundings. Thus, the decomposition of sodium bicarbonate is exothermic. O d. The condensation of steam of liquid water is exothermic. 1 mol of Ca +1 mol Br2 has a higher enthalpy than 1 mole CaBr2. Thus, the combination reaction of calcium with bromine to give calcium bromide is exothermic. Oe.
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