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Pre-AP Chemistry Exam 1 Questions & answers
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Pre-AP Chemistry Exam 1 Questions & answers
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Pre-AP Chemistry Exam 1energy is the capacity to - correct answer-do work or produce heat
potential energy is due to an object's - correct answer-position
kinetic energy is due to an object's - correct answer-motion
variable for heat - correct answer-q
heat involves a transfer of energy from ___ objects to ___ objects - correct answer-warmer
to cooler
standard unit of heat - correct answer-Joule, J
specific heat capacity - correct answer-the quantity needed to raise the temperature of 1
gram of a substance by 1 degree C
the ___ the specific heat, the more energy required - correct answer-higher
calorimetry - correct answer-the science of measuring heat flow
calorimetry equation - correct answer--q released = +q absorbed (-mcΔT = +mcΔT)
The element that ___ heat is the positive value in -q= +q - correct answer-Absorbs
Heat of fusion - correct answer-q= mHf
Heat of vaporization - correct answer-q=mHv
Heat of fusion definition - correct answer-The heat change that occurs to melt s solid sat its
melting point
Heat of vaporization - correct answer-Energy required to vaporize a liquid into gas
Temperature remains ___ until the phase change occurs - correct answer-Constant
If heat is being released, your energy value should be ___ - correct answer-Negative
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