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[DOC File]HEAT Practice Problems
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(Specific heat capacity of granite is 0.1 cal/gºC) How much heat is released when 30 g of water at 96°C cools to 25°C? The specific heat of water is 1 cal/g°C. If a 3.1g ring is heated using 10.0 calories, its temperature rises 17.9°C. Calculate the specific heat capacity of the ring.
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[DOC File]Errors and Uncertainty in Experimental Data
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iii. specific heat capacity. 1. assume there is no uncertainty in numbers used as constants. So no uncertainty in water’s specific heat capacity. 2. (metal) add % uncertainties for all quantities involved in the calculation of the heat capacity. 0.033 + 23 + .024 + 1.5 = 24.6 %
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[DOC File]Chapter 10 Heat and Heat Technology (PS 7)
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Specific Heat Capacity (Why coastal areas stay warmer longer than inland areas) – water has a higher specific heat capacity compared to land Unit: _____ The amount of energy needed to change the __temperature___ of 1 kg of a substance by 1 ºC. Water 4284 J/kgºC / Sand 830 J/kgºC
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[DOCX File]Specific HEat Student.docx
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The specific heat capacity of oil is 2.0× 10 3 J/(kg ° C) which means it takes about half as much energy to heat oil as it does water. This means that a 1 kg pot of water at 10 ° C takes twice as much energy to reach 100 ° C as a 1 kg pot of oil at 10 ° C .
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[DOC File]Specific Heat Worksheet
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If the specific heat of water is 4.18 J/g°C, calculate the amount of heat energy needed to cause this rise in temperature. 25.0 g of mercury is heated from 25°C to 155°C, and absorbs 455 joules of heat in the process. Calculate the specific heat capacity of mercury. What is the specific heat capacity of silver metal if 55.00 g of the metal ...
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[DOCX File]All Bottled up: The Perfect Ecosystem
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Scientists can measure the capacity of a substance to hold or store heat. The capacity of a substance to store chemical energy is called . specific heat. Water has a specific heat equal to 1 because it takes one calorie of energy to raise the temperature of 1 gram of water 1°C. The specific heat of iron, on the other hand, is only 0.11; that ...
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[DOC File]Specific Heat Capacity Practice Problems
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HONORS Lab 1: Specific Heat Capacity and Density of an Unknown Metal. Purpose. To calculate the specific heat capacity and density of a metal and to use this information to identify the metal. Apparatus. 250mL beaker, 2 coffee cups, 100mL measuring cylinder, hot plate, tongs, 2 thermometers, balance. Chemicals Water, sample of metal. Procedure. 1.
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[DOC File]Specific Heat
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specific heat (J/g K) sodium 1.23 aluminum 0.9 iron 0.45 Examples: An immersion heater is used to warm 500 grams of a liquid from 35oC to 55oC. If 20 kJ of energy are given to the liquid, determine the specific heat capacity of the liquid. c = q/mΔT = 20kJ / 500g (55oC - 35oC) = 20,000J / …
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[DOC File]Specific Heat
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Using a 100 watt heat source, it would take about 42 seconds to increase the temperature of the 1 kg of water by 1°C. Molar specific heat. Molar specific heat is defined as the heat required to raise the temperature of 1 mole of a substance by 1K. Its units are J/mole/K. We will use the designation, C’, to refer to molar specific heat.
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[DOC File]TWEED RIVER HIGH SCHOOL
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The specific heat capacity may be used to determine the energy absorbed or released when the temperature of a substance increases or decreases. The equation used to calculate the heat energy involved is: (H = -mC(T. Where: (H is the heat energy absorbed or released, (joules, J) m is the mass of substance being heated or cooled, (g) C is the ...
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Specific heat capacity examples