79 lines
3.9 KiB
Plaintext
79 lines
3.9 KiB
Plaintext
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<20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><>
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<20><><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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<20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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ARRoGANT CoURiERS WiTH ESSaYS
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Grade Level: Type of Work Subject/Topic is on:
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[ ]6-8 [x]Class Notes [Lab on the effect of ]
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[x]9-10 [ ]Cliff Notes [heat energy on temp ]
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[ ]11-12 [ ]Essay/Report [change of a substance ]
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[ ]College [ ]Misc [ ]
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Dizzed: 12/94 # of Words:346 School: ? State: ?
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<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>>Chop Here><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>><3E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
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Purpose : To find the effect of heat energy on temperature change of a
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substance.
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Apparatus : 1 250ml beaker
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200g of cold tap water
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Thermometre
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Hot plate
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Graduated cylinder
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Method : 1 - 200g was poured into a 250ml beaker.
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2 - The hot plate was pre-heated before use. And the beaker
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was placed upon the hot plate where then the temperature
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of the water at 30 second intervals of time until the
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temperature of the water reached 80 Degrees C. And the
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temperature of the water was recorded on a data sheet.
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3 - The total heat energy delivered to the water was calculated,
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In Joules. The formula was (q=watts X heating time in sec.)
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4 - A graph was plotted showing the information recorded during
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the expirment with the V Axis showing heat energy and along
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the H Axis temperature was recorded.
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5 - The slope was calculated on the graph in J/C for a mass
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of 200g
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Discussion: 1 - As the thermal energy increases the temperature of the water
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rises.
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2 - During a 240s interval 4550 joules more was added to the
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water.
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3 - During the 120s interval and a 240s interval the temperature
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increases by 21 degrees.
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4 - The temperature increases slower as you approach the boiling
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point of any substance. Eg: Water.
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5 - The relationship between heat energy and temperature change
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is as you add heat to any substance the temperature goes up
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as heat, but during the changeing of states the heat is
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absorobed to change the state and therefore the heat is not
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makeing the temperature go up at that particular point but
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during the points (inbetween) the temperature must rise.
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6 - The slope was compared with other calculations in the class
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and my hypostheisis is that they should all be about the
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same. I have'nt actually compared with others yet but this
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is what i hypothesize.
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7 - The significance of the slope is to tell you the avg of the
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degree of the angle on the graph of your values
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