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Question 1
In an exothermic chemical reaction, how does the enthalpy of the products compare to the enthalpy of the reactants, and in which direction does energy flow?
Correct Answer:
The products have lower enthalpy than the reactants, and energy is released to the surroundings
Question 2
The Fachlehrplan requires applying the 1. Hauptsatz der Thermodynamik to reaction enthalpy. What does this law state?
Correct Answer:
Energy can neither be created nor destroyed, only converted between forms
Question 3
What does the molare Standardbildungsenthalpie ΔfH°m of a compound represent?
Correct Answer:
The enthalpy change when one mole of the compound forms from its elements in their standard states under standard conditions
Question 4
At grundlegendem Anforderungsniveau, what does the Fachlehrplan name as a driving force (Triebkraft) favoring chemical reactions proceeding spontaneously toward products?
Correct Answer:
The system tends toward a state of minimum enthalpy (Enthalpieminimum)
Question 5
Using ΔfH°m(CH4,g) = -74.6 kJ/mol, ΔfH°m(CO2,g) = -393.5 kJ/mol, ΔfH°m(H2O,l) = -285.8 kJ/mol and ΔfH°m(O2,g) = 0, calculate the standard reaction enthalpy for CH4(g) + 2 O2(g) → CO2(g) + 2 H2O(l).
Correct Answer:
-890.5 kJ/mol
Question 1
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Prepare with the Sachsen-Anhalt Abitur Chemistry Practice Questions - Saxony-Anhalt Abitur Chemistry (Chemie) Exam practice quiz. This question bank includes 100 questions covering equilibrium, calculate, reaction, acid, and enthalpy. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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Sachsen-Anhalt Abitur Chemistry Practice Questions - Saxony-Anhalt Abitur Chemistry (Chemie) Exam

This practice set contains 100 questions from the matching question bank and focuses on equilibrium, calculate, reaction, acid, and enthalpy. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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