
Chemistry Semester 2 Exam

Flashcard
•
Chemistry
•
10th Grade
•
Hard
Silvia Zamora
FREE Resource
Student preview

26 questions
Show all answers
1.
FLASHCARD QUESTION
Front
Back
2.5 g sulfur
2.
FLASHCARD QUESTION
Front
Back
0.500 mole
3.
FLASHCARD QUESTION
Front
Which quantity is equivalent to 39 grams of LiF?
Back
1.5 moles
4.
FLASHCARD QUESTION
Front
What is the percent by mass of hydrogen in NH₃ (gram formula mass = 17.0 grams)?
Back
17.6%
5.
FLASHCARD QUESTION
Front
A compound has the empirical formula NO₂. Its molecular formula could be –
Back
NO₂.
6.
FLASHCARD QUESTION
Front
When the equation ___ Al(s) + ___ O₂(g) → ___ Al₂O₃(s) is correctly balanced using the smallest whole numbers, what will be the coefficient of Al(s)?
Back
4
7.
FLASHCARD QUESTION
Front
The chemical equation below represents a reaction that occurs under standard conditions.
KOH + HNO₃ → KNO₃ + H₂O
Which process is represented by this equation?
Back
Neutralization
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