Chemistry, 12.05.2021 20:00 infoneetusinghoyg22o
Use the information to answer the following question.
Students are trying to calculate the heat of reaction for the following target reaction.
A + 3B → 3C + 2D
They find the heat of reactions for the two reactions as shown.
A + 2B → C + D ΔH= -20 kJ
B → 2C + D ΔH= -45 kJ
When the students used Hess’s Law correctly, what is the heat of reaction for the target reaction?
A.
+65 kJ
B.
+25 kJ
C.
-65 kJ
D.
-25 kJ
Answers: 3
Chemistry, 22.06.2019 18:10
Areader can tell that the meaning of “obnoxious” will include “having the quality of something” because of the .a) prefix b)pronunciation c)suffix d) word root
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Chemistry, 22.06.2019 20:00
Suppose that some of the compound spilled out of the crucible after it was heated. would that cause the percent by mass of water in the compound determined by the experiment to be too low, too high, or unchanged? briefly explain your answer.
Answers: 1
Use the information to answer the following question.
Students are trying to calculate the heat of...
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