Which of the following statements are false?
A) If a chemical equation is multiplied by some factor,ΔH°rxn is also multiplied by the same factor.
B) If a chemical reaction changes direction,then ΔH°rxn changes sign.
C) If a chemical equation can be expressed as the sum of a series of steps,ΔH°rxn for the overall equation is the sum of the heats of reactions for each step.
D) Standard states are all in the gas phase.
Correct Answer:
Verified
Q31: A 100.0 mL sample of 0.300 M
Q41: Use the ΔH°f and ΔH°rxn information provided
Q43: Use the information provided to determine ΔH°rxn
Q44: Use the information provided to determine ΔH°rxn
Q45: Use the information provided to determine ΔH°rxn
Q49: Use the standard reaction enthalpies given below
Q53: Match the following.
--w
A)work done by the system
Q53: Match the following.
--w
A)work done by the system
Q54: Which of the following processes is exothermic?
A)the
Q55: Choose the reaction that illustrates ΔH°f for
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents