Homework Answers Page 10479

• 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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• Are adjectives with the prefix "non" considered compound adjectives? For example, non-profit or non-biodegradable.

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  English

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• What is the difference between solving absolute value equations and absolute value inequalities?

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  Algebra

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• What is system international unit of atomic radius ?

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  Chemistry

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• What is torque?

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  Physics

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• Why is horizontal velocity constant in projectile motion?

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  Physics

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• What is the formula of ammonium carbonate?

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  Chemistry

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• What is the molar mass of magnesium nitride, ##"Mg"_3"N"_2##, if the mass of one mole of magnesium is 24.31 g and of one mole of nitrogen is 14.01 g?

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  Chemistry

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• How do you use the epsilon delta definition to prove that the limit of ##x^2-7x+3=-7## as ##x->2##?

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  Calculus

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• Butane , octane and hexane in order of increasing boiling point?

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  Chemistry

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• How can I calculate the empirical formula of butane?

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  Chemistry

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• How do you find the area of the trapezoid below?

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  Geometry

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• What was the intent of Lenin's New Economic Policy (NEP)?

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  History

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• A right circular cylinder with a radius of 2.3cm and a height of 1.4cm has a total surface area of? a) ##5.3*10^-3## b) ##7.4*10^-3##

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  Physics

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• Ksp=2.4x10-5 for calcium sulfate What is the molar solubility of calcium sulfate in pure water? What is the mass solubility of calcium sulfate in pure water, expressed in g/L

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  Chemistry

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• What is the definition of a tense? How many tenses are there?

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  English

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• Sulfur forms two chlorides ##"S"_2"Cl"_2## and ##"SCl"_2##.The equivalent mass of sulfur in ##"SCl"_2## is ##"16 g"## .The equivalent weight of sulfur in ##"S"_2"Cl"_2## is ?

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  Chemistry

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• What are the roles of animal cell organelles?

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  Biology

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• If the area of a square is 225 cm2, what is perimeter?

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  Algebra

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• What is a major structural advantage that eukaryotic cells have over prokaryotic cells? Why is this so important?

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  Biology

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• What is the oxidation state of phosphorus in PCl5?

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  Chemistry

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• How long does it take Saturn to orbit the sun?

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  Science

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• Who did John F. Kennedy run against in the 1960 presidential election?

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  History

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• Why gravitational acceleration is zero at the centre of the Earth maximum at the poles and minimum at the equator?

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  Physics

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• What is the purpose of the microvilli of the small intestine?

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  Psychology

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• What is a corner in calculus?

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  Calculus

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• What is one example of a transform boundary?

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  Science

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• How did General McClellan move his troops to Virginia?

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  History

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• How do I use DeMoivre's theorem to solve ##z^3-1=0##?

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  Precalculus

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• What is free fall and how does it relate to gravity?

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  Physics

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• What are the general characteristics of members of the class aves?

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  Biology

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• Is this a Buffer? 25 ml of 0.60 M HClO4 + 45 ml 0.60 M KF. Please show how you determined its a buffer and mention the concentration of weak base and weak acid. PH= Pka + log(weak base/weak acid). (buffer equation)

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  Chemistry

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