Homework Answers Page 10663

• What is the formula for the chi square test statistic for a goodness of fit test?

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  Statistics

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• How do you find the integral of ##(arctan(2x)) / (1+4x^2)##?

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  Calculus

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• How did Bohr change atomic theory?

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  Chemistry

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• How many grams of ##NaOH## must be used to make 1 Liter of a .80 M ##NaOH## solution?

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  Chemistry

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• How can I balance this chemical equations? Potassium metal and chlorine gas combine to form potassium chloride.

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  Chemistry

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• How are amphibians adapted to life on land?

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  Biology

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• Why were King Ferdinand and Queen Isabella called the Catholic monarchs?

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  History

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• What is the square root of 144 over 196?

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  Algebra

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• How do I write an equation in slope intercept form, standard form, and point-slope form using two points (2,-5) and (7,12)?

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  Algebra

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• What is the difference between gravity filtration and vacuum filtration? When should vacuum filtration be used? What is the difference between copper (II) sulphate trihydrate, copper (II) sulphate pentahydrate, and anhydrous copper (II) sulphate?

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  Chemistry

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• What are short definitions of a noun, pronoun, adjective, verb, adverb, conjunction, preposition, and interjection?

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  English

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• Given an activation energy of 15 kcal/mol, how do you use the Arrhenius equation to estimate how much faster the reaction will occur if the temperature is increased from 100 degrees Celsius to 120 degrees Celsius? R = 1.987 cal/(mol)(k).

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  Chemistry

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• What is a geyser and how are they produced?

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  Science

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• How do factor markets and product markets differ?

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  Economics

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• Why is there 5280 feet in a mile?

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  Algebra

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• Is 53 prime or composite?

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  Algebra

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• What is an antigen-antibody reaction?

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  Psychology

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• What limits does the Twenty-second Amendment of the Constitution place on the President?

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  History

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• What is the limit as x approaches infinity of ##arctan(x)##?

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  Calculus

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• How do you find the derivative of ##y=arcsin(1/x)##?

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  Calculus

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• How do metalloids bond?

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  Chemistry

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• How do you find a power series representation for ##ln(5-x) ## and what is the radius of convergence?

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  Calculus

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• What does the ABC stand for in standard form Ax+By=C?

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  Algebra

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• What did some Northern states do to oppose the Fugitive Slave Act?

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  History

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• What does pi 8 mean?

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  Geometry

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• Why did Africans engage in slave trade? Did they have a choice?

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  History

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• AgNO3 (3 is a subscript) + NaCl ---> NaNO3 (3is a subscript) + AgCl. If we use 15.0 grams of the first reactant and 15.0 grams of the second reactant, how many total grams of the definite product should we theoretically see at the end of the experiment?

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  Chemistry

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• How does a mitochondria relate to photosynthesis?

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  Biology

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• How did Franklin D. Roosevelt's New Deal coalition affect African American voting patterns?

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  History

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• Suppose a 375-mL sample of neon gas at 78°C is cooled to 22°C at constant pressure. What will the new volume be of the neon sample?

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  Chemistry

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• Is CO2 polar or nonpolar?

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  Chemistry

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• How can we convert minutes into seconds?

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  Physics

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• How do you find a unit vector that has the same direction as the given vector −5i + 9j?

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  Precalculus

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• Please balance the following equation?? MnO4- + I- = MnO2 + IO3- (basic solution)

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  Chemistry

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• How do you write the prime factorization of 100?

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  Algebra

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• What was the outcome of the Gadsden Purchase?

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  History

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• Lynn can walk two miles in 24 minutes. At this rate, how long will it take her to walk 6 miles?

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  Algebra

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• Does rotational inertia depend on the mass of an object?

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  Physics

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• What is the difference between anti-aromatic and non aromatic compounds?

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  Chemistry

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• What is the difference between molecular formula and structural formula?

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  Chemistry

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• What was the importance of the Safavid Empire?

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  History

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• What is the molecular geometry of ##"H"_2"O"##? Draw its VSEPR structure.

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  Chemistry

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• Is the epidermis made up of simple squamous epithelium?

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  Psychology

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• How is lava produced at a mid-ocean ridge?

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  Science

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• How do protists differ from archaebacteria and eubacteria?

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  Biology

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• What does villi in the small intestine do?

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  Biology

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• How do isotopes affect the atomic mass of an element?

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  Chemistry

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• A moon rock weighs 8.5 pounds on the moon. How much would this rock weigh on Earth?

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  Physics

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• How do you find the turning points of a cubic function?

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  Calculus

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• What is the chemical formula for iodine crystal?

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  Chemistry

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