
Chemistry final review
Flashcard
•
Science
•
10th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What type of reaction is represented by the equation 2 KClO₃(s) → 2 KCl(s) + 3 O₂(g)?
Back
Decomposition reaction: A reaction where a single compound breaks down into two or more simpler products.
2.
FLASHCARD QUESTION
Front
What is activation energy in a chemical reaction?
Back
Activation energy is the minimum energy required for a chemical reaction to occur.
3.
FLASHCARD QUESTION
Front
What is the ground state electron configuration for Sodium (Na)?
Back
1s² 2s² 2p⁶ 3s¹: This configuration shows the distribution of electrons in the atomic orbitals.
4.
FLASHCARD QUESTION
Front
In the Haber process, what effect does removing hydrogen have on ammonia production?
Back
Removing hydrogen decreases the production of ammonia (NH₃) because it shifts the equilibrium to the left.
5.
FLASHCARD QUESTION
Front
What particle is needed to balance the nuclear equation 27/13Al + 4/2He --> 30/15P + ?
Back
1/0n (neutron): This balances the atomic and mass numbers in the nuclear reaction.
6.
FLASHCARD QUESTION
Front
Define a synthesis reaction in chemistry.
Back
A synthesis reaction is a type of chemical reaction where two or more reactants combine to form a single product.
7.
FLASHCARD QUESTION
Front
What is the significance of the ΔH value in a chemical reaction?
Back
ΔH represents the change in enthalpy, indicating whether a reaction is exothermic (releases heat) or endothermic (absorbs heat).
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