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21 Cards in this Set
- Front
- Back
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energy
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the ability to do work
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work
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the force applied to an object times the distance that the object travels parallel to that force.
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heat
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energy that is transferred as a consequence of temperature differences
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Science is _____
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fallible
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hypothesis
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No more than an educated guess.
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a hypothesis confirmed is a______
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theory
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______ might be flawed causing the ________ _____ to also be flawed.
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Experiments, Scientific Law
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The First law of thermodynamics
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energy cannot be created or destroyed. it can only change form.
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Potential Energy
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Energy that is stored.
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Kinetic Energy
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Energy that is in motion
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The process of using certain physical measurements to define the scale of a measuring device is called what?
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calibration
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celsius= ?
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celsius= 5/9(F-32)
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Kelvin=?
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Kelvin= C+ 273.15
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1 calorie equals how many joules?
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4.184 joules
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1 food calorie equals how many chemisry calories?
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1,000 chemistry calories
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what equation is used to figure out how much heat was absorbed?
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q = M x C x Delta T
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How do u figure out change in temperature?
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Delta T = Tf- Ti
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specific heat
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the amount of heat necessary to raise the temperature of 1 gram of a substance by 1 degree celsius.
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Unit for specific heat?
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Joules/ grams x celsius
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Calorimeter
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an insulated container that holds a known mass of water.
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Calorimetry equation
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-qobject= qwater + qcalorimeter
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