meter (N/m2)‚ or pascals (Pa). 3. Slowly drag the temperature (T) slider back and forth. (Note: In this Gizmo‚ the Kelvin scale is used to measure temperature. On the Kelvin scale‚ 0 degrees is absolute zero‚ the coldest possible temperature. Absolute zero is equal to -273.15 °C or -459.67 °F) A. How does the change in temperature affect the speed of the molecules? __If the temperature is colder the molecules move slower and if the temperature is hotter the molecules move faster.
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AIT Physics 1 Honors Laboratory: Specific Heat and Conservation of Energy When energy in the form of heat Q is added to a material‚ the temperature of the material rises. Note that temperature‚ in units of degrees Celsius (°C) or Kelvin (K)‚ is a measure of how hot or cold a substance is‚ while heat‚ in units of joules (J) or calories (cal)‚ is a measure of its thermal energy. 1cal = 4.19J. A measure of the efficiency with which a substance can store this heat energy is known as specific heat capacity
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Objective 1. To demonstrate the relationship between the pressure and temperature of saturated steam in equilibrium with water. 2. To determine the vapour pressure curve. Introduction Properties of a fluid can change when heat and work are applied to it. There’s an interchange between the fluid and its surroundings when heat and work are applied according to the study of thermodynamics. Substances such as gases and vapors are often referred as P-V-T substances. Theory: An ideal gas
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purpose of this lab is to demonstrate how temperature‚ substrate concentration‚ and pH can impact the rate of an enzyme reaction. In this experiment‚ you will use the Scientific Method to test your hypothesis. The enzyme used in this experiment is Invertase. This enzyme catalyzes the breakdown of sucrose (table sugar) into glucose and fructose. Please contact me if you have any questions. Results and Discussion: Experiment A: Impact of Temperature on Invertase Activity 1. Propose a hypothesis
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representing the lizards‚ were placed in a habitat with two microhabitats of different temperatures. Six peeps were placed in one microhabitat‚ and six in the other. The internal temperature of these “lizards” was measured over a period of 20 minutes to see if their body temperatures matched that of their environment and to make inferences about the behavioral adaptations the organism might acquire to maintain its body temperature. One microhabitat was on a tree and under the branches; the other was at the
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Temperature Scales Ex: At what temperature will the reading on the Fahrenheit scale be numerically equal to that on the Celsius scale? The relationship between the two scales is given by TF = (9/5)TC + 32.0. We want the temperature when TF = TC‚ so we make that substitution. Rearranging gives Heat and Temperature Change: Specific Heat Capacity Q = mc T 4186 J = 1 kcal Ex: If 15 kcal of heat are added to 5.0 kg of silver‚ by how much will its temperature rise? Ex: An aluminum
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Maricela Sandoval Period 2 10/27/12 Title of Lab: The Melting Temperature of a Pure Substance Purpose: The goal of this experiment was to find the melting point of Paradichlorobenzene and to observe the freezing/melting of a substance. The purpose was to also observe an endothermic and exothermic process. Introduction: The uses of Paradichlorobenzene are mainly as a fumigant for the control of moths‚ molds‚ and mildews‚ and as a space deodorant for toilets and refuse containers. It is also
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.............. Automatic Temperature Control Fan Abstract: The automatic temperature control system is a very essential feature of a factory or an industry. In most of the case the temperature plays a vital role in the process of manufacturing or the process carried in that factory or industry. The most common and simplest way of controlling temperature is by using a fan which is automatically connected to a network such as it is switched on when the temperature of the
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1. ABSTRACT Fahrenheit scale digital thermometer is a temperature indicator which displays temperature in Fahrenheit scale. It consists of two sections. One is that which senses the temperature. This is a temperature sensor LM 35. The other section converts the temperature value into a suitable number in Celsius scale which is done by the ADC0804. The temperature sensed in Celsius scale is converted into the Fahrenheit scale temperature just by using the Celsius to Fahrenheit conversion formulae
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hydrogen tartrate (KHT) at various temperatures from 10°C to 50 °C‚ and determine the corresponding Ksp at these temperatures. 2. To obtain the changes in enthalpy and entropy of the dissolution of KHT from the dependence of Ksp on temperature. 2. Results and discussion 2.1 Collection of data A portion of KHT (1 to 1.5 g) was added into about 100 mL of deionised water to prepare a saturated KHT solution. Several such solutions were prepared at various temperatures between 10°C and 50 °C‚ and filtrated
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