Specific Heat

Do all metals have the same Specific heat capacity?
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My aim is to measure the specific heat capacity of 4 metals and find out if they all have the same specific heat capacity or different. Prediction: The specific heat capacity is the amount of heat energy needed to raise 1kg by 1 C and is measured in joules. My prediction is that the metal with the least massive atoms will heat up more quickly because they require less heat energy to make the molecules move around and heat up.…...
Measuring the Specific Heat Capacity by Method of Mixtures
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Aim: To use the method of mixtures to find out the specific heat capacity of a mass of brass. Hypothesis: Using this method of mixtures it should be possible to find out this value as the energy lost by the hot substance cooling down (brass), is equal to the energy gained by the cold substance heating up (water). Knowing that the S.HC. of water is about 4 200 J kg-1 K-1, we may find what this value is for brass.…...
Investigation into the U-Values of Different Materials
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The aim of this investigation is to compare the U-values given off by conductors of different materials. The U-value for any specified heat conductor is the heat energy lost per second through the conductor per square metre when there is a temperature difference of 1�c between its surfaces. FAIR TEST: * I must have equal amounts of water in each container. - This ensures the same amount of water will be heated up. To do this I will need to…...
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The Importance of Water to Living Organisms
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Without water, life could not exist on this planet. It is doubly important to living organisms because it is both a vital chemical constituent of living cells and for many a habitat too. It covers three quarters of the earth's surface and is the only compound known to man that exists naturally in the three states of matter- solid ice is found at both poles culminating in a formidable climate for living beings; liquid water is found in even the…...
Heats of Combustion of Alcohol
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Mark Wong 11N Aim: To find a pattern in the heat of combustion of number of fuels. Apparatus: * Clamp Stand * Copper Can * Thermometer * 6 different alcohols - methanol, ethanol, propan-1-ol, butan-1-ol, pentan-1-ol and hexan-1-ol * Matches * Heat proof mat * Aluminum foil * Rubber band * 100ml of water - for each alcohol * Measuring cylinder * Measuring scale Diagram: Method: 1. Collect and set up equipment as shown in diagram 2. Collect the first…...
Heat transfer coursework
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We travelled to the McDonalds in Notting Hill Gate hoping to find out how McDonalds packaged their food so that it can remain hotter for longer but it turns out that they were not interested in packaging food in terms of heat loss. McDonalds were more interested on which material would be the cheapest and would look nicer if it had the McDonalds logo printed on it. They were also very interested in the design of the package, which is…...
AbstractAn ideal gas is one which obeys the equation of state ie
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AbstractAn ideal gas is one which obeys the equation of state i.e. PV=nRT. A Pasco Adiabatic apparatus was used to measure specific voltages for P, V & T which were converted using conversion formulas. The logarithms of the resulting values were found and graphed against each other and from these graphs the heat capacities of the four different gases were found.IntroductionHeat capacity or thermal capacity is a measurable physical quantity equal to the ratio of the heat added to (or…...
The specific heat cpacity of the substance
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Advanced Physics; Materials and Mechanics 2nd Edition By John Murray Ltd 1983 Provides depth information on Specifics Heat Capacity and specific heat capacity for varies materials Revise As Physics for OCR By David Sang 2001 Provides the equations to calculate Power and Energy Cambridge Physic 2 By David Sang 2001 Information about specific heat capacity and how to work out specific heat capacity Nuffield Advanced Science Book Of Data By Longman Group Ltd 1998 Contained the actual specific heat capacity…...
Enthalpy of formation of calcium carbonate
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Objective To determine the enthalpy of formation of calcium carbonate Procedures A. Reaction of calcium with dilute hydrochloric acid 1. 1. 0909 g of calcium metal was weighed out accurately. 2. 100 cm3 of approximately 1 M hydrochloric acid was pipetted. and placed in a plastic beaker. 3. The initial temperature of the acid was determined 4. The weighed calcium was added into the acid and stirred thoroughly with the thermometer until all the metal had reacted. 5. The maximum…...
Enthalpy change of the hydration
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Objective To determine the enthalpy change of the hydration of magnesium sulphate (MgSO4) using Hess's law. Procedures 1. The mass of a clean and dry polystyrene foam cup was weighed and recorded. 2. 50. 0 cm3 of de-ionized water was measured by using a measuring cylinder 3. The 50. 0 cm3 of water measured was poured it into the polystyrene foam cup. 4. The foam cup was then fitted in a 250 cm3 beaker. 5. A thermometer was put through…...
Enthalpy of Reaction and Hess’s Law
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I. Purpose The purpose of this lab is to verify Hess’s Law through the three reactions of NaOH and HCl, NH4Cl and NaOH, and NH3 and HCl. The sum of the enthalpies of the first two reactions should equal the enthalpy of the third reaction. II. Background Hess’s Law is used to determine the enthalpy of a reaction from adding two or more preceding reactions. To determine the enthalpies of certain chemical reactions, the change in must be measured. This…...
The heat of combustion of ethanol
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EXPERIMENT AIM: To determine the experimental heat of combustion of methanol (CH3OH) and ethanol (CH3CH2OH). To decide which would be a better choice to take on a camping trip. MATERIALS: 1 Copper container 1 Clamp 1 Spirit Lamp with Wick Ethanol 1 Retort Stand Methanol 1 Box of Matches Water 1 Electronic Balance Thermometer PROCEDURE: Firstly, Measure the weight of the empty Copper container on the electronic balance. Record your results in a table. Secondly, fill the copper container with…...
AP Biology: The Properties of Water
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Water has many unique properties that make life possible on Earth. One property is cohesion. The cohesion property is properly defined as the binding of water molecules by hydrogen bonds. Water has this property as a result of the chemical bonding between water. Cohesion of the strong hydrogen bonds allows the water molecules to stick together, almost as a unit of one. A force exerted on one of the molecules will be exerted on all of the adjacent molecules as…...
Experiment on polytropic process
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Polytropic Expansion of Air Object The object of this experiment is to find the relation between pressure and volume for the expansion of air in a pressure vessel – this expansion is a thermodynamic process. Introduction The expansion or compression of a gas can be described by the polytropic relation , where p is pressure, v is specific volume, c is a constant and the exponent n depends on the thermodynamic process. In our experiment compressed air in a steel…...
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FAQ about Specific Heat

AbstractAn ideal gas is one which obeys the equation of state ie

...AbstractAn ideal gas is one which obeys the equation of state i.e. PV=nRT. A Pasco Adiabatic apparatus was used to measure specific voltages for P, V & T which were converted using conversion formulas. The logarithms of the resulting values were foun...
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