can be detected when people are placed in stressful situations. HYPOTHESIS: I think that when you are stressed‚ the body temperature will be affected because the more you are stressed out‚ the higher your blood pressure gets and then your blood heats up and the temperature changes. MATERIALS: Basal thermometer Participants Very‚ Very challenging test Stopwatch PROCEDURE: 1. Make a very‚
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The second goal was to measure the heat capacity of the constructed calorimeter. The third and fourth goal was to determine what reactions were to be investigated and what variations of the reactions would be studied. The two requirements that were kept in mind while creating the calorimeter were that it should be a good insulator‚ meaning that it does not allow for the transfer of heat between two systems in an environment‚ and that it should have the lowest heat capacity possible (ideally 0C) so
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experiment‚ the group were able to perform the following objectives; to compute the heat capacity of a Styrofoam-cup calorimeter‚ and also to compute the heat of neutralization of 1.0 M hydrochloric acid and 1.0 M sodium hydroxide‚ the heat of dilution of concentrated sulfuric acid‚ and the heat of solution of solid ammonium chloride The sixth experiment was named "Calorimetry" wherein it is the measurement of how much heat is gained or released by a system as a chemical reaction occurs within it. The
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It was in 2nd century B.C that the first bath houses were built and back then they were simple washing facilities for men only. By the time of Augustus there were 170‚ privately owned bath houses. As they became more popular in the imperial age‚ they became public bath houses and people went there to bathe‚ meet‚ or discuss business. However‚ men and women did have different bath houses.• You had to pay to use the baths. • You could buy refreshments at the baths. • Only the very biggest baths had
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SPECIFIC HEAT OF VARIOUS METALS M. L. C. G. Marasigan‚ R. R. Mella‚ J. M. M. Mendones‚ M. A. Miranda‚ R. P. Nool‚ C. P. R. M. Orpilla‚ K. L. Pascual College of Engineering‚ Adamson University Abstract THIS EXPERIMENT IS ABOUT THE SPECIFIC HEAT OF VARIOUS METALS. THE MAIN OBJECTIVES OF THIS LABORATORY ACTIVITY ARE TO DETERMINE THE SPECIFIC HEAT OF METALS AND TO COMPARE THE EXPERIMENTAL RESULT OF SPECIFIC HEAT FROM THE STANDARD VALUE. ANOTHER PURPOSE OF THIS EXPERIMENT IS TO
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Whitten‚ R. Davis‚ R.‚ M. L. Peck‚ and G. Stanley. Chemical Thermodynamics: Heat and Thermochemistry Thermodynamics & Thermochemistry Thermodynamics is the study of heat and its transformations to and from other forms of energy Thermochemistry is a branch of thermodynamics that deals with the heat involved with chemical and physical changes Objectives 1. Define thermodynamics & thermochemistry 2. Define energy‚ heat and other thermodynamic terms 3. Define enthalpy 4. Discuss thermochemical equations
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minutes‚ using different materials to insulate the heat. The five materials that will be tested are: Aluminium foil‚ plastic wrap‚ newspaper‚ felt‚ and bubble wrap. Aluminium foil is a reflective material; this means that it bounces the thermal energy back to the foiled object. It also absorbs the heat. Not only does it stop heat loss‚ but Aluminium foil is also useful for protecting objects from gaining unwanted heat. Plastic wrap insulates the heat but makes it that it is too hot to touch. Plastic
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4923: 1‚ 0.9425: 1‚ 0.6480:1‚ 0.5970:1) affect the amount of heat lost over a period of 6 minutes of 50cm3 water with a temperature above 50? b. Prediction and Hypothesis. Make a prediction about what you expect to be the outcome. Explain your prediction using scientific ideas. I predict that the bigger the surface area to volume ratio‚ the lesser the heat will be lost. And the smaller the surface area to volume ratio the more heat will be lost. Variables Independent Variable. The
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PROBLEM Investigate the heat energy in a range of alcohol’s used as fuels. HYPOTHESIS I predict that octanol will release the most heat energy. This is because there is more bond energy in that molecule than the other alcohols. Within a molecule there are bond energies that are holding the atoms together. When the fuel combusts a chemical reaction takes place‚ this breaks the bonds‚ this requires energy‚ and makes new bonds this gives out energy. The energy differences between the two tell us
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Endothermic Reactions Lab The purpose of this lab is to observe how heat is released or absorbed with different chemicals. Data Table 1 – HCI and NaOH Trial 1 Trial 2 Avg Volume 1.0 M HCI(ml) 25 25 - Volume1.0 M NaOH (ml) 25 25 - Ti of HCI before mixing 20 20 - Ti of NaOH before mixing( 20 20 - Average Ti before mixing( 20 20 - Tf of mixture ) 26 26 - T ) 6 6 - Specific Heat (J/g) 4.184 4.184 - Heat‚ q (J) 1255.2 1255.2 1255.2 Data Table 2- NH4 NO3 and H20
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