What is the most important piece of safety equipment to wear when working with chemicals or fire?
Honors Chemistry Final Exam

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Chemistry
•
10th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
Goggles/Safety glasses are essential to protect your eyes from harmful substances.
2.
FLASHCARD QUESTION
Front
How do you calculate the volume of a substance given its mass and density?
Back
Volume = Mass / Density. For example, for 350.0 g of antifreeze with a density of 1.21 g/mL, Volume = 350.0 g / 1.21 g/mL = 289 mL.
3.
FLASHCARD QUESTION
Front
What is the formula to calculate Specific Heat?
Back
q = m x C x ΔT, where q is heat absorbed, m is mass, C is specific heat, and ΔT is the change in temperature.
4.
FLASHCARD QUESTION
Front
What is the Specific Heat of a substance if 48.0 J of heat is absorbed by a 12.0 g sample heated from 20.0 to 40.0 degrees Celsius?
Back
Specific Heat = q / (m x ΔT) = 48.0 J / (12.0 g x 20.0°C) = 0.200 J/g°C.
5.
FLASHCARD QUESTION
Front
What type of change occurs when water boils to become steam?
Back
It undergoes a physical change.
6.
FLASHCARD QUESTION
Front
How do you express a number in scientific notation?
Back
Move the decimal point to create a number between 1 and 10, then multiply by 10 raised to the number of places moved.
7.
FLASHCARD QUESTION
Front
Convert 0.00000618 to scientific notation.
Back
6.18 x 10^-6.
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