P5. Homeostasis is the process by which a constant internal environment is maintained by our body. For instance‚ this means that in our body‚ temperature‚ blood sugar levels‚ etc must be kept within a narrow range even when we are in a freezing climate‚ or while doing vigorous exercise etc. All homeostatic control mechanisms have at least three interdependent components which are: The receptor responds to changes in the environment‚ for example‚ detects temperature change. Then‚ after the receptor
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dielectric constant and dielectric loss were measured within the frequency range from 10 Hz to 106 Hz and the temperature ranging from 50°C to 300°C. The results showed that the dielectric constant and dielectric loss of the sample are frequency dependent and temperature dependent. Dielectric constant and dielectric loss increases with decreasing frequency and increasing temperature due to interfacial polarization. Introduction: Dielectric materials with high dielectric constant‚ good thermal
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1. Determine the spring constant‚ k‚ of Spring 1‚ by using Hooke’s Law. Take three different measurements (since 3 masses) and do three calculations and average your k’s to get a more accurate answer. By applying lots of friction‚ you will be able to get your mass to hang still. Show a table of your data and your calculations of k. Spring 1 with three different masses: 50 grams: Spring stretched: 5m F = 50gm * 9.8 m/s2 = 490.00 N K= 490/5m = 98 100 grams: Spring stretched: 10m F = 100gm * 9
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The Constant Gardener is a 2005 drama film directed by Fernando Meirelles and produced by Simon Channing-Williams . The screen script by Jeffrey Caine is based on the John le Carre novel by the same name. The movie is the narrative of Justin Quayle‚ a British diplomat in Kenya‚ who seeks to find the truth behind his wife’s murder . The movie‚ set in the 1990’s‚ begins almost with the murder‚ however‚ with the use of flashbacks one is given a glimpse of the life the couple had before the ending
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Technology: the application of scientific discoveries to the development and improvement of goods and services Operations management requires: both knowledge of the facts and how to interpret that info in order to produce and deliver Requires constant improvement: due to competition in the marketplace and advances in technology Good process design is: customer driven What questions> What type of process is best suited that will fulfill our customers needs What is the goal in selecting
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Write the equilibrium constant expression‚ Kc‚ for each of the following reactions: a) 2NO(g) + O2(g) ⇄ 2NO2(g) b) The decomposition of solid potassium chlorate to solid potassium chloride and oxygen gas. c) 4HCl(g) + O2(g) ⇄ 2H2O(g) + 2Cl2(g) d) 2NO2(g) + 7H2(g) ⇄ 4H2O(l) + 2NH3(g) e) H2O(g) + C(s) ⇄ CO(g) + H2(g) f) The reduction of solid copper (II) oxide with hydrogen gas to produce copper metal and water at 500oC. 2. The equilibrium constant Kc for the reaction:
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iLab Steps Part I: Basic Capacitor Functions Step 1: Open Circuit File Open the circuit file Week_1_Class_Activity_1_Cap_updated in the Week 1 folder found in Document Sharing utilizing MultiSim. Step 2: Energize Circuit Click the switch to turn on the circuit. Step 3: Operation and Observation Procedure Accomplish the following procedure to observe the operation of the circuit and to assist in the answering of questions at the end of Part I. 1. Press the space key to close the switch and
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There once lived a great mathematician in a village outside Ujjain . He was often called by the local king to advice on matters related to the economy. His reputation had spread as far as Taxila in the North and Kanchi in the South. So it hurt him very much when the village headman told him‚ "You may be a great mathematician who advises the king on economic matters but your son does not know the value of Gold or silver. The mathematician called his son and asked‚ "What is more valuable - gold
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that is an object being dropped from a certain height to Earth’s surface. In this experiment we tested the idea that no matter what the size‚ shape‚ color‚ etc. of the object if it would still experience the same constant acceleration throughout its fall (short distance). The constant downward acceleration it experiences is due to Earth’s gravitational force (g). We measure the position‚ and velocity of a ball to get the experimental g. We then measured reaction time with a ruler. We used our data
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Problem: For the reaction H2(g) + I2(g) ↔ 2 HI(g) At equilibrium‚ the concentrations are found to be [H2] = 0.106 M [I2] = 0.035 M [HI] = 1.29 M What is the equilibrium constant of this reaction? Solution The equilibrium constant (K) for the chemical equation aA + bB ↔ cC + dD can be expressed by the concentrations of A‚B‚C and D at equilibrium by the equation K = [C]c[D]d/[A]a[B]b For this equation‚ there is no dD so it is left out of the equation. K = [C]c/[A]a[B]b
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