INTRODUCTION Maleic acid and Fumaric acid are both compounds belonging to the carboxylic acids class. In this experiment‚ we formed the two isomers of 1‚2-ethylenedicarboxylic acid and tested the solubility and melting points of both of these products. Both of these compounds involve a carbon-carbon double bond that is composed of one σ bond and one π bond. The overlap of sp2 hybrid orbitals forms the σ bond‚ and one empty p orbital forms the π bond. This process is illustrated in the figure below:
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INTRODUCTION If an electric current flows through a conductor in a magnetic field‚ the magnetic field exerts a transverse force on the moving charge carrier which tends to push them to one side of the conductor. A buildup of charge at the sides of the conductors will balance this magnetic influence‚ producing a measurable voltage between the two sides of the conductor. This presence of measurable transverse voltage is the Hall Effect. The Hall effect was discovered in 1879 by Edwin Herbert Hall
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* Wall mounted split type air-con 2.5 TR 1 unit Total No. of units 23 units INCLUDES: Four (4) times a month visit on a weekly basis to perform the following: * Check-up‚ cleaning of filters‚ checking of Freon charge and additional charging (if applicable)‚ monitoring of ampere‚ check-up controls‚ drain line cleaning‚ trouble shooting and repair of minor problems * Monthly maintenance report * General cleaning on a quarterly basis * 24/7 availability
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4.1 Defining the Atom Overview cannot be seen w/ naked eye def. smallest particle of an element that retains its identity in a chemical reaction Democritus’ Atomic Philosophy Democritus (460 BC- 370 BC) was a Greek philosopher first suggested the existence of atoms said they were indivisible and indestructible did not explain chemical behavior did not use scientific method John Dalton (1766-1844) English chemist schoolteacher used experimental methods he transformed Democritus’ ideas
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Name: _____________________ Wire Resistance and Ohm’s Law PhET MiniLab Introduction: When an electrical potential exists in a circuit‚ a current may flow. Current is the flow of electrons in a circuit. Resistance in the circuit slows the flow of the electrons‚ reducing the current in the circuit. We will use the mathematical form of Ohm’s Law frequently when we investigate electric current and circuits later in this unit. • Open the PhET Simulation Electricity‚ Magnets‚ and Circuits ( Resistance
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as the flux leaving it. A Hemisphere with charge in front of flat surface: Gaussian Surfaces Exterior to a uniformly charged insulating sphere of radius “a” and total charge Q: Interior (still an insulating sphere) Interior of a uniformly charged conducting sphere Infinite Flat Field Gaussian Cylinder around an Infinite Line Just outside surface of a charged conductor Electric Fields dE is the electric field produced by a tiny piece of charge dq. X-Component of Electric Field for a Uniformly
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LEVEL 2 UNITChapter 204 1 Principles of electrical science 11 Level 2 Electrical Installations (Buildings and Structures) This chapter covers: Chapter 1 the principles of electricity the principles of basic electrical circuits the principles of magnetism and electromagnetism the operating principles of a range of electrical equipment the principles of basic mechanics the principles of a.c. theory electrical quantities in Star Delta configurations. LO1 Matter – something that has weight
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with a charge 3 C and a mass 0.4 kg accelerates from rest to a speed of 19 m/s. Calculate the kinetic energy gained. Answer in units of J. 002 (part 2 of 2) 10.0 points Through how large a potential difference did the object fall? Answer in units of V. 003 (part 1 of 2) 10.0 points Consider three charges arranged as shown. 7 µC 1.8 µC + + 4 cm −1 µC − 2.4 cm What is the magnitude of the electric field strength at a point 1.7 cm to the left of the middle charge? The value
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cations and anions a. Extracellular cations: Sodium anions: Chloride b. Intracellular cations: Potassium anions: Phosphates and Protein 7. Within a fluid compartment‚ the total number of positive charges must be equal to the total number of negative charges . 8. Name four of the seven functions given for electrolytes: a. Cofactors for enzymes b. Action potentials in neuron and muscle cells c. Muscle contraction d. Secretion and
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stable particle. Large nuclei such as Americium-241 emit alpha particles. As it emits alpha particles its mass and atomic number decrease‚ so it changes into a different element. Alpha particles are good ionizers because of their double positive charge‚ large mass and because they are relatively slow compared to beta particles. They can also cause multiple ionizations within a very small distance. Because alpha particles are highly ionizing‚ they are unable to penetrate very far through matter
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