Homework Answers Page 10737

• What was wrong with Rutherford's model of the atom?

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  Physics

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• What are the three states of matter?

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  Chemistry

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• How do you solve quadratic equations to the fourth power?

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  Algebra

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• Convert 17 miles to kilometers if 1 inch = 2.54 cm ?

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  Chemistry

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• What are the different types of irony?

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  English

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• What role did the 13 colonies have in the British empire?

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  History

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• What is a myogenic heart? How is this different from a neurogenic heart?

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  Psychology

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• What is antimatter and dark energy ?

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  Science

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• How do you write the algebraic expression: the quotient of 15 and y?

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  Algebra

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• How does acceleration affect tension?

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  Physics

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• Did the United States win or lose the Vietnam War?

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  History

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• What is the mass of hydrogen in 49.2 g ammonium hydrogen phosphite?

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  Chemistry

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• ##"Z"^-## is a weak base. An aqueous solution prepared by dissolving 0.350 mol of ##"NaZ"## in sufficient water to yield 1.0 L of solution has a pH of 8.93 at 25.0 °C. What is the ##K_"b"## of ##"Z"^-##?

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  Chemistry

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• Why are alkenes and alkynes called unsaturated compounds?

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  Chemistry

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• What is the end behavior of the square root function?

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  Precalculus

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• What is the conjugate acid-base relationship of (H2PO4)- and (HPO4)-?

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  Chemistry

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• Why is ammonia hydrophilic?

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  Chemistry

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• A solution is prepared by adding 2 grams of substance a to 18 grams of water. How do you calculate the mass percent of the solute?

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  Chemistry

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• How are hydrogen bonds different from covalent and ionic bonds?

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  Chemistry

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• Which of the following synonyms for home has the most positive connotations: castle, abode, hovel, dwelling?

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  English

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• Light from the sun reaches Earth in 8.3 min. The velocity of light is 3.00 108 m/s. Given this info, how would you determine how far the Earth is from the sun?

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  Science

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• I am the head of the carbon family known as the "basis of life##? What am I?

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  Chemistry

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• Lewis dot structure and vesper shape for Hydronium?

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  Chemistry

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• What is -25 fahrenheit in celsius?

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  Algebra

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• The base of a triangular pyramid is a triangle with corners at ##(2 ,5 )##, ##(6 ,5 )##, and ##(7 ,8 )##. If the pyramid has a height of ##15 ##, what is the pyramid's volume?

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  Geometry

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• The vapor pressure of water at 20 C is 17.5mmHg. What is the vapor pressure of water over a solution prepared from 200g of sucrose (##C_12H_22O_11##) and 112.3 g of water?

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  Chemistry

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• How to find extrapolated temperature?

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  Chemistry

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• Hos do indifference curves relate to substitute goods?

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  Economics

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• What is the difference between vinylic and aryl halide?

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  Chemistry

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• What is an example of entropy from everyday life?

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  Chemistry

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• What is the taylor series of ##xe^x##?

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  Calculus

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• What does a 2:1 ratio mean?

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  Algebra

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• What is diffraction of light?

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  Physics

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• What are the prime factors of 57?

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  Algebra

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• How do you write the Chemical Symbols of elements?

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  Chemistry

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• What is the square root of 2.25?

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  Algebra

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• What is 120 inches in ft?

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  Algebra

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• Why is solvation considered a surface phenomenon?

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  Chemistry

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• What is the ionic bond formation of NaCl?

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  Chemistry

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• Why is beta decay continuous?

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  Chemistry

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• What is the integral of ##(cos^2x) / sinx##?

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  Calculus

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• How do i convert 1.2kg /m3 into g /cm3?

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  Physics

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• What is the integral of ##cos2(theta)##?

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  Calculus

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• How is molecular polarity related to solubility?

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  Chemistry

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• How is the geometry of so2 different from that of co2 ?distinguish between the geometeries on the basis of dipolmoment

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  Chemistry

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• How can I use a gerund as an indirect object?

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  English

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• Ironsulfide has 36.5% S by mass. Ironsulfide is heated in oxygen, which makes SO2(g) + ironoxide containing 27.6% O by mass. a.Write a balnced equation for reaction. b.If 1.0 kg of the iron sulfide reacts w excess O, what's theoretical yield of ironoxide?

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  Chemistry

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• What is the absolute value of negative one and one-third?

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  Algebra

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• Fe2O3(s) + 3CO(g) → 2Fe(s) +3CO2(g) How many grams of iron can be produced from 1.00 kg Fe2O3?

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  Chemistry

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• What is the second derivative of ##xe^(2x) ##?

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  Calculus

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