Homework Answers Page 10572

• Can someone define and list the three processes in the water cycle?

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  Environmental Science

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• How many sex chromosomes does the normal human female inherit from her mother?

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  Biology

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• How many hybrid orbitals are there in HNO3?

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  Chemistry

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• Why Polystyrene is foamy?

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  Chemistry

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• How do you convert 9/45 into a percent and decimal?

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  Algebra

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• What is an oxymoron?

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  English

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• What is the determinant of a matrix to a power?

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  Precalculus

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• What are the first, second, and third person pronouns?

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  English

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• What is the difference between a substrate, ligand, reactant and product?

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  Biology

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• How do you use mental math to find the product of 64 and 25?

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  Algebra

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• How do you find the 6 trigonometric functions for 150 degrees?

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  Geometry

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• What is 60 in scientific notation ?

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  Algebra

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• How do you solve ##tan^2x - 1 = 0##?

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  Geometry

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• Why is there more than one definition of acid–base behavior?

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  Chemistry

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• How can I find the percent compositions of N2S2?

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  Chemistry

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• How does Newton's third law relate to an egg drop?

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  Physics

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• A Nitrogen atom with 7 protons and 8 neutrons has a mass number of 15 amu. However on the periodic table, the atomic mass for Nitrogen is 14.01. How is this possible?

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  Chemistry

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• What is the cell membrane made up of?

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  Biology

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• What is the inverse cosine of 0.55?

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  Geometry

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• What is the difference between accuracy and precision?

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  Chemistry

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• How do you solve ##(1/1000)^(-1/3)##?

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  Algebra

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• What is genotype expression ?

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  Biology

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• What is the the tangent of 4pi/3 using the unit circle?

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  Geometry

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• Why is price elasticity of demand always negative?

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  Economics

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• Why do primary alkyl halides generally undergo SN2 mechanisms?

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  Chemistry

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• What is the difference between the Pythagorean Theorem and Pythagorean Triples?

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  Geometry

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• How do you express ##x^(4/3)## in simplest radical form?

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  Algebra

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• What is the standard enthalpy of the reaction CO+H2O --> CO2+H2?

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  Chemistry

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• What is the difference between divisor, dividend, nominator, and denominator?

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  Algebra

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• Why are tundra plants usually small?

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  Science

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• Is y=3x a direct variation and if so, what is the constant?

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  Algebra

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• What is the correct punctuation when I use the phrase ‘such as’ in a sentence?

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  English

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• What is the difference between enriched media and enrichment media?

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  Biology

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• What products are fomed from when ethyl propanoate an ester of relatively low molecular weight is hydrolysed by aqueous sodium hydroxide ?

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  Chemistry

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• How do you convert a length of 17.0 m to inches?

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  Physics

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• What is the prepositional phrase in the sentence: "Scrooge puts his key in the door's keyhole."?

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  English

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• What are bronchial tubes?

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  Psychology

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• Who were the kulaks?

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  History

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• Methyl isonitrile, CH3NC, isomerizes when heated to give acetonitrile (methyl cyanide), CH3CN CH3NC (g) -> CH3CN (g) The reaction is first order. At 230 ºC, the rate constant for the isomerization is 6.3 x 10-4 /s. a) What is the half-life?

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  Chemistry

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• How many core electrons are in Iodine?

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  Chemistry

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• You count 74 CFU on a pour plate. The plate was prepared by spreading 0.2 mL of a 1:10,000 dilution of the original sample. What was the density of the original culture (in cells/mL)?

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  Chemistry

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• How do pili help bacteria?

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  Biology

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• Why did President Jefferson have doubts about buying the Louisiana Territory?

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  History

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• What are ribosomes made of?

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  Biology

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• What are the pros and cons of animal dissections in schools?

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  Biology

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• What is the difference between a food chain and energy pyramid?

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  Environmental Science

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• How many light years away is the sun?

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  Science

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• What is dissociation?

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  Chemistry

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• By what factor would your weight change if Earth's diameter were tripled and its mass were tripled?

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  Physics

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• How big is earth compared to other objects in the solar system?

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  Science

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