Homework Answers Page 10718

• Who was an example of a muckraker?

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  History

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• What is the empirical formula of caffeine?

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  Chemistry

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• How do you create an exponential function y=ab^x given (21,200) and (23.392)?

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  Precalculus

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• What is the constant of variation in the circumference formula ##C = 2pir##?

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  Precalculus

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• What is the difference between a collective noun and a compound noun?

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  English

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• Why do geologists know so little about Precambrian history?

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  Science

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• Marsha, Josh, and Tyler are comparing how fast they can type. Marsha types 125 words in 7.5 minutes. Josh types 65 words in 3 minutes. Tyler types 400 words in 28 minutes. How do you order the students according to who can type the fastest?

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  Algebra

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• How many electrons does hydrogen have?

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  Chemistry

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• Struggling with this question on finding the surface area of hemisphere. The volume of the hemisphere is 250/3 π. Work out the exact total surface area of the solid hemisphere. Give the answer as a multiple of π?

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  Geometry

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• How can I convert Newman projection for the staggered and eclipsed conformations of 2-methylpentane for rotation about the ##C2-C3## bond to bond line notation?

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  Chemistry

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• When CH3CHCH2 is passing through by HBr in the presence of organic peroxide, what's the name of the product?

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  Chemistry

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• What is the rock's age? A rock contains one-fourth of its original amount of potassium-40 The half-life of potassium-40 is 1.3 billion years?

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  Chemistry

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• How do you find the decimal notation of a percent?

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  Algebra

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• How do you know which element is the most reactive in the periodic table?

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  Chemistry

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• How can I find the molecular formula from molar mass?

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  Chemistry

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• How do you round 476 to the nearest hundred?

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  Algebra

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• How do you find the derivative of ##cos(pi x)##?

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  Calculus

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• The ratio of forks to knives in Kim's kitchen drawer is 4 to 5. There are 16 forks in the drawer. of 3. The How many knives are there?

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  Algebra

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• Are Aliens real? Is it possible that life on other planets is real and we (the people of Earth) just not know it?

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  Science

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• How to graph a parabola ##y=1/4x^2##?

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  Algebra

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• What was an advantage of Jimmy Carter in the 1976 presidential election?

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  History

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• At 20°C the vapor pressure of benzene (C6H6) is 75 torr, and that of toluene (C7H8) is 22 torr. Assume that benzene and toluene form an ideal solution. What is the composition in mole fractions of a solution that has a vapor pressure of 40. torr at 20°C?

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  Chemistry

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• What is an example of a climax in a story/movie?

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  English

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• Use Henry's law to determine the molar solubility of helium at a pressure of 1.5 atm and 25 ∘C. Henry’s law constant for helium gas in water at 25 ∘C is 3.70⋅10−4M/atm.?

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  Chemistry

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• How can I draw the following esters: ethyl butanoate, pentyl propanoate, propyl 3-ethylhexanoate?

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  Chemistry

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• What is inductive effect?

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  Chemistry

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• What do exponential growth and decay have in common?

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  Algebra

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

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  Calculus

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• How many natural satellites does the earth have? What are their names?

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  Science

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• What are examples of verisimilitude?

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  English

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• ICE table. How does one know if the x is positive or negative for the products and reactants? this question is contradicting what i thought because the x is negative in the reactants yet one reactant starts with zero concentration.

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  Chemistry

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• Solubility product of Hg2Cl2 at 25 C is ##1.2*10^-18 mol^3 dm^-9##. The concentration of ##Hg2+^2+ ions## (in M) in a 0.040 M NaCl (aq) sol. saturated with ##Hg2Cl2## at 25 C is?

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  Chemistry

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• Use the converse of the triangle proportionality theorem to identify parallel lines in the figure.

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  Geometry

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• Was prohibition in 1920's America successful?

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  History

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• What does Atom mean?

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  Chemistry

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• Explain how the law of conservation of mass is the basis for all stoichiometry?

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  Chemistry

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• What is stellar equilibrium?

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  Science

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• What are examples of cost-push inflation?

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  Economics

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• Where are blood cells made, and what is the purpose of red blood cells?

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  Psychology

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• What is the molecular geometry of PBr5? Draw its VSEPR and Lewis structure.

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  Chemistry

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• How do catalysts affect collision theory?

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  Chemistry

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• In regression analysis, what does the F-value mean?

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  Statistics

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• What is the chemical formula of salt?

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  Chemistry

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• Why are exothermic products more stable than reactants?

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  Chemistry

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• What are stars made of? How are they born?

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  Science

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• In the Great Compromise, what did small states and large states give up?

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  History

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• What is the volume of a square pyramid with edge 5 ft and height 5 ft?

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  Geometry

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• What is 1230.932567 rounded to the nearest hundredths place?

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  Algebra

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• What is the charge for all elements in Group 1A?

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  Chemistry

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• Why are mole ratios central to stoichiometric calculations?

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  Chemistry

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