DC MIDTERM STUDY GUIDE
Flashcard
•
Chemistry
•
11th Grade
•
Practice Problem
•
Hard
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16 questions
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1.
FLASHCARD QUESTION
Front
What is the formula for Sulfur hexafluoride?
Back
SF₆
2.
FLASHCARD QUESTION
Front
What is the right ratio of chemicals for the Balanced Chemical Equation: __CO + __Fe₂O₃ --> __Fe + __CO₂?
Back
3,1 --> 2,3
3.
FLASHCARD QUESTION
Front
What kind of bond would form between F & F?
Back
Nonpolar Covalent
4.
FLASHCARD QUESTION
Front
When calcium binds with iodine, what is the compound formed?
Back
CaI₂
5.
FLASHCARD QUESTION
Front
If I initially have a gas at a pressure of 12.0 atm, a volume of 23.0 liters, and a temperature of 200. K, and then I raise the pressure to 14.0 atm and increase the temperature to 350. K, what is the new volume of the gas?
Back
34.5 liters
6.
FLASHCARD QUESTION
Front
Define a chemical bond.
Back
A chemical bond is a lasting attraction between atoms that enables the formation of chemical compounds.
7.
FLASHCARD QUESTION
Front
What is the difference between ionic and covalent bonds?
Back
Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.
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