Homework Answers Page 10554

• How many amendments have been added to the Constitution?

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  History

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• Is BI3 a stronger Lewis acid than BCl3 and BF3?

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  Chemistry

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• How do you convert -220 degrees to radians without a calculator?

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  Geometry

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• How is nuclear fusion in a main-sequence star different from nuclear fusion in a giant star?

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  Science

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• In human anatomy, what is a crest?

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  Psychology

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• How can geographic isolation lead to speciation?

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  Biology

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• What is the area of a rectangle with length ##(2x+2)##, width ##(x)## and a diagonal of 13?

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  Geometry

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• What peaks in their mass spectra could be used to distinguish between 4-methyl-2-pentanone and 2-methyl-3-pentanone?

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  Chemistry

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• What are some examples of symbolism in the movie, "Rear Window"?

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  English

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• What are the pros and cons of first person, second person and third person limited and omniscient?

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  English

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• Who won the Battle of Tippecanoe?

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  History

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• How do you solve using gaussian elimination or gauss-jordan elimination, ##x + y + z = 0##, ##2x - y + z = 1## and ##x + y - 2z = 2##?

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  Precalculus

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• What is the factorial of 10?

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  Precalculus

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• What do ##a## and ##b## represent in the standard form of the equation for an ellipse?

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  Precalculus

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• In what parts of the heart do you find oxygenated blood and in what parts do you find deoxygenated blood?

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  Psychology

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• What is an oxbow lake and how is it produced?

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  Science

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• The area of a rectangle is ##5 4/5## square meters. The width of the rectangle is ##2 1/4## meter. How long is the rectangle?

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  Geometry

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• Why did many people doubt the Anaconda Plan?

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  History

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• Given that ##a-b=10## and that ##2 * (a+b)^2=64##, what is the value of ##a+b## ?

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  Algebra

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• How do you find the derivative of ##y=cos(x)## from first principle?

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  Calculus

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• How long do humans live in reference to the time scale of the universe?

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  Science

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• What shape is CH4O?

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  Chemistry

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• What are microtubules?

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  Biology

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• How does Columbus characterize the native people?

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  History

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• Methane (CH4) has a normal boiling point of -161.6 C. At this temperature, the delta H condensation= -8.17KJ/mol. If 16.5g of the liquid methane vaporize, how much energy is absorbed. ? Thank you

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  Chemistry

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• How can you calculate partial pressure?

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  Chemistry

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• How do the relative positions of Earth, the moon, and sun cause the phases, tides, and eclipses, and determine time on Earth?

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  Science

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• Does the muscular system have any organs?

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  Psychology

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• What is GPS and how does it work?

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  Science

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• What is radioactivity?

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  Physics

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• A. How many grams of KOH are needed to neutralize 18.25 g of HCl? b. How many moles of each are involve in this reaction? Thanks

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  Chemistry

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• What are the differences of interference color and birefringence ?

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  Science

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• What is the lowest point on earth?

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  Science

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• How many millimoles of HCl are contained in ##5.00 xx 10^1 "mL"## of 5.00% (by mass) aqueous HCl solution (density = ##"1.02 g/mL"## )? What volume of 5.00 M NaOH solution would be needed to neutralize ##5.00 xx 10^1 "mL"## of 5.00% HCl solution?

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  Chemistry

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• How to use the distance formula to find the radius of a circle?

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  Algebra

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• What is the difference between using the pooled variance and the unpooled variance in a two-sample t test for means?

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  Statistics

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• What is the mode of the numbers: 4, 7, 2, 4, 2, 2, 8, 7, 4, 2?

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  Statistics

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• What is the function of the small intestine? Where in the body is the small intestine located?

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  Psychology

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• What is the distance between ##(1 ,( pi)/4 )## and ##(4 , ( pi )/2 )##?

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  Geometry

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• What is a compound sentence?

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  English

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• What characteristics define a chemical system in equilibrium?

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  Chemistry

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• How do steroids work?

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  Biology

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• What is the surface area formula of a 3-dimensional rectangle?

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  Geometry

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• Is CH3NH2 an acid or a base?

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  Chemistry

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• What is the largest foramen in the human skeleton?

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  Psychology

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• What is the molecular formula of potassium permanganate?

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  Chemistry

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• What are examples of colloids?

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  Chemistry

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• How do you evaluate ##arcsin(cos(pi/3))##?

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  Geometry

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• What is the molar mass for 2H2O?

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  Chemistry

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• What is the volume of a sphere with a diameter of ##28 cm##?

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  Geometry

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