Title : Expt.1 Determination of the enthalpy (heat) of reaction of a monobasic acid with sodium hydroxide Experiment no : 1 Experiment title : Determination of the enthalpy (heat) of reaction of a monobasic acid with sodium hydroxide Objectives: 1) To understand the enthalpy chemistry. 2) To determine the calorimeter constant. 3) To determine the enthalpy reaction of acid-base reactions. 4) To study the exothermic reaction. Apparatus and Materials : * Dewar flask
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Lecture 1: Introduction Geology - the study of the Earth‚ the processes that shape it‚ and the resources that could be obtained from it. Main branches Physical Geology - deals with the materials that comprise the Earth and the processes that affect it (e.g.‚ Volcanology‚ Seismology‚ Environmental Geology‚ Engineering Geology‚ Mining Geology‚ Petroleum Geology‚ Mineralogy‚ Petrology‚ Geomorphology‚ Geophysics‚ Geochemistry‚ Planetary Geology) Historical Geology - the study of the origin and
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HVAC Systems: Air Conditioning Dr. Harjit Singh Room 116 Howell Building harjit.singh@brunel.ac.uk Fridays 09.30 – 11.30am Unless otherwise specified For students enquiries: 1 Building Services Engineering: Building Air Conditioning Module (ME5508)‚ Brunel University Introduction to the module • Credit: 15 • Teaching materials: – Provided for the MSc students. – Undergrads: Buy them from the stores. • Assignment: to be handed two weeks before Xmas‚ deadline-28 Jan 2013 • Students
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1. In physics and chemistry‚ heat is energy transferred from one body to another by thermal interactions. The transfer of energy can occur in a variety of ways‚ among them conduction‚radiation‚ and convection. The SI unit of heat is the joule. Heat can be measured by calorimeter‚ or determined indirectly by calculations based on other quantities‚ relying for instance on the first law of thermodynamics. In calorimeter‚ the concepts of latent heat and of sensible heat are used. Latent heat produces
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through the glass windows of a house mainly by A. conduction. B. radiation. C. conduction and convection. D. radiation and convection. Thermal energy is transferred through the glass windows of a house mainly by A. conduction. B. radiation. C. conduction and convection. D. radiation and convection. Some students were asked to
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I. Objectives A. Define energetics and metabolism and explain why cells must synthesize new organic components. B. Differentiate between the absorptive and postabsorptive metabolic states‚ and summarize the characteristics of each. C. List the metabolic processes of the liver. D. Summarize the mechanisms of lipid transport and distribution. E. Discuss the use of proteins as an energy source. F. Define metabolic rate‚ discuss the factors involved in determine an
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valance bands and conduction bands. At absolute zero‚ the semiconductors’ valance bands are fully filled with electrons and partially filled with electrons in the conduction bands. For the conductors‚ the valance bands are partially filled with electrons and completely filled with them in the conduction bands. A band gap is the value of the energy for which there is no molecular orbital (the gap size between the valance and conduction bands). Electrons are the available conduction carriers which can
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Why loft insulation is needed? Loft insulation is the most cost-effective energy efficiency measure that can be installed. It can reduce heating costs up to 20%. The purpose of them is to hold the heat below within the property‚ reducing heat loss to the roof void and outside but also reducing the amount of heating needed to maintain the property at an ideal temperature. With insulation‚ the property will be warmer‚ more comfortable and it will cost less to heat. How loft insulation reduces
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Homeostasis is the maintenance of a constant internal environment of a cell or an organism‚ despite fluctuations in the external environment of that cell or organism. The internal environment is set to function at its optimum rate - and it is dependent on variables such as body temperature‚ blood pressure and blood sugar levels. These need to be maintained despite changes in the external environment as well as the extent of activity and the diet of the organism. These variables are controlled by
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sun’s core‚ or central region. The sun’s interior consists of the core‚ the radiation zone‚ and the convection zone. The sun’s energy is produced in its central core. The radiation zone is a region of very tightly packed gas where energy is transferred mainly in the form of electromagnetic radiation. The convection zone is the outer most layer of the sun’s interior. Hot gases rise from the bottom of the convection zone and gradually cool as they approach the top. Cooler gases sink‚ forming
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