Chemistry Lab Question Bank (2014-2015) Topic: Introduction 1. What is a standard solution? 2. What is a primary standard solution? Give examples. 3. What is a secondary standard solution? Give examples. 4. What is a link solution? 5. Why is KMnO4 not a primary standard solution? 6. Define equivalent weight? 7. Define end point and equivalence point? 8. Why solutions of HCl and NaOH are not primary standard solutions? 9. How many types of titrations are there? Give examples. 10. Define Molarity
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Unit 1: Biochemistry Review Chemical Bonding Three types of bonds Ionic bond: 2 oppositely charged atoms (Na and Cl) Polar covalent: Unequally shared electrons (H and O) Non polar covalent: Equally shared electrons (C and C) or similar electronegativity Electronegativity and chemical bonding Electronegativity is a measure of the strength in which an atom can attract electrons. A difference of < 0. 5 is non polar covalent bond A difference of 0.5 – 1.7 is polar covalent bond A difference of > 1
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Psychology Review‚ Unit 1 Answer Key: 1. Believed that the mind was separate from the body‚ the mind continued to exist after death and that ideas were innate. __________ and __________ Socrates Plato 2. Suggested that the soul is not separable from the body and that knowledge (ideas) grow from experience. _____________ Aristotle 3. Believed in soul (mind)-body separation‚ but wondered how the immaterial mind and body communicated. __________ Descartes 4. A founder of modern science‚ particularly
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UNIT-1 ELECTROSTATICS Where the energy of capacitor does resides? Do electrons tend to go to region of low or high potential? What is the net charge on the charged capacitor? A Gaussian surface encloses an electric dipole within it. What is the total flux across sphere? 5. Find the dimension of 1/2εoE2. 6. In a certain l m3 of space‚ electric potential is found to be V Volt throughout. What is the electric field in this Region? 7. If Coulomb law involves 1/r3 instead of 1/r2 dependence‚ would Gauss
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SC/GCE ‘O’ LEVEL You are advised to read carefully the following instructions and the ‘Notice to candidates printed on the verso of your timetable. A GENERAL INSTRUCTIONS 1. IDENTIFICATION AND ADMISSION INTO THE EXAMINATION ROOM 1.1 PRIVATE CANDIDATES In case you are above eighteen you should bring your National Identity Card each time you attend an examination session. If you are under eighteen you will receive the MES Identity/Admission Card from the Supervisor on the
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APUSH Unit 7 Study Terms Nat Turner: -Preacher and prophet who believed God had given him a message to rebel; August 22 1831 group of slaves in Southampton County‚ Virginia started a rebellion with Turner as the leader; went from plantation to plantation‚ after 48 hours white forces stopped the rebellion‚ executed many‚ Turner was last to be captured; So what? -Killed over sixty whites -Last slave rebellion of this kind during pre-Civil War period (armed resistence hadn’t ended) William
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focuser and an equally wide variety of magnification factors and styles. Amazon.com offers a variety of telescope eyepieces up for grabs! [pic] [pic] The triple beam balance is a rugged‚ inexpensive weighing instrument. It is named for the three beams which carry weights. A. The middle beam reads only in 100 g increments. B. The far beam reads only in 10 g increments. The weights in each of these must always sit in a "notch". They cannot be placed at arbitrary points on the beam. C. The
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incorrect movements‚ resulting in incorrect sound production * Dysarthria- motor speech disorder resulting from neurological injury of the motor component of the motor-speech system. * Semantics- the study of meaning‚ relationships between words‚ phrases‚ signs and symbols * Pragmatics- studies the ways in which context contributes to
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AP US Study guide for Unit 3 1. Settlers in the eighteenth century American backcountry sometimes resorted to violent protest to express their grievances. Analyze the causes and significance of TWO of the following: March of the Paxton Boys‚ Regulator Movement‚ Shay’s Rebellion‚ Whiskey Rebellion 2. Evaluate the relative importance of domestic and foreign affairs in shaping American politics in the 1790s. 3. Analyze the contributions of the following in helping establish a stable government
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1. _____________ is the ability of a central processing unit (CPU) or a single core in a multi-core processor to execute multiple processesor threads concurrently A. Answer : multithreading B. Multicore C. Multiprocessor D. None of these 2. Multiple threads can interfere with each other when sharing hardware resources such as caches or translation lookaside buffers (TLBs). As a result‚ execution times of a single thread are not improved but can be degraded‚ even when only one thread is executing
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