Homework Answers Page 10632

• Is -2 real number, rational number, whole number, Integer, Irrational number?

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  Algebra

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• What are examples of prepositions used in sentences?

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  English

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• Why is flammability a chemical property?

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  Chemistry

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• What is the stronger base: ammonia or ethoxide ion?

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  Chemistry

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• Some CuSO4.5H20 was heated at 120C with the following results: Mass of crucible=10.00g Mass of crucible + CuSO4.5H20=14.98g Mass of crucible + recidue=13.54g. How many molecules of water of crystalization were lost? (H=1,Cu=63.5,O=16,S=32)

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  Chemistry

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• What is the difference between an equation written in function notation and one that is not?

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  Algebra

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• How is astronomy related to biology?

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  Science

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• What is the hybridization of so2?

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  Chemistry

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• What is the difference between isobutane and n-butane ?

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  Chemistry

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• How do you put the equation ##2y-3x=5## into slope-intercept form, and graph the equation?

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  Algebra

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• What is chromatin?

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  Biology

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• What kind of tissue is arrector pili muscle?

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  Psychology

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• How do you find the derivative of ##y =sqrt(x)## using the definition of derivative?

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  Calculus

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• How do you verify ##tanA=secA/cscA##?

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  Geometry

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• If 1 light year is 63,240 AU (astronomical units), how far in AUs is Alpha Centauri, which is 4.32 light years from the Earth?

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  Algebra

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• How can I draw metallic bonds?

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  Chemistry

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• What is the integral of ##xe^x## from -infinity to 0?

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  Calculus

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• What is meteorology?

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  Science

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• How do you graph quadratic functions ##y=x^2-4x+7##?

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  Algebra

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• What is longitude ?

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  Science

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• What causes gas pressure (in terms of kinetic theory)?

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  Chemistry

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• What is the definition of polyhedron?

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  Geometry

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• How do you evaluate ##tan(pi/6)##?

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  Geometry

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• How would you calculate the formal charge of NH3?

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  Chemistry

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• What is (5 square root of 5) squared?

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  Algebra

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• How does the organization of genetic material differ in prokaryotic and eukaryotic organisms?

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  Biology

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• What is the biggest muscle in the human body?

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  Psychology

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• Explain.(i)Pentane is distilled off first when a liquid mixture containing pentane,heptane and nonane is heated.(ii)Hexane floats on water. (iii) cyclopentane may be easily separated from an aqueous salt solution?

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  Chemistry

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• What does it mean when a calculated chi-squared value equals 0 (zero)?

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  Statistics

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• How can a balanced chemical equation be used to write an equilibrium-constant expression?

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  Chemistry

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• Your height is 5 feet and l 5/8 inches. Your friend's height is 5.6 feet. Who is taller?

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  Algebra

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• What does velocity mean in motions graphs?

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  Physics

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• How do you write a numerical or variable expression for each quantity: two dozen eggs?

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  Algebra

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• How do you find diameter of a circle with circumference?

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  Geometry

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• Why is ionic bonding referred to as non directional?

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  Chemistry

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• What was the name of the case from the 1800s that established the policy of "separate but equal"?

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  History

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• 2KNO3 ----> 2KNO2 + O2 if 25g of KNO3 is heated, find: (1) What is the mass of KNO2 formed? (2) What is the volume of O2 formed at RTP?

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  Chemistry

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• What are sunspots?

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  Science

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• What is the past tense of "sing"?

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  English

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• What is the derivative of ##y=arctan(4x)##?

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  Calculus

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• What is the area of a circle with circumference of 6.28?

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  Algebra

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• What element is represented by ##[Ar]4s^2 3d^10 4p^1##?

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  Chemistry

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• How fast does earth rotate near the equator?

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  Science

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• How do you write ##-0.875## as a fraction?

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  Algebra

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• Which word in the sentence is a predicate nominative? Could you explain why?

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  English

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• How do you find a vertical asymptote for y = sec(x)?

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  Calculus

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• What is the complementary angle to 42°?

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  Geometry

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• What does positive and negative connotation mean?

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  English

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• How much energy is required to melt a 20.0 lb bag of ice ar 0 C? a pond of ice is equivalent to 0.4536 kg. The delta Hfusion of ice is + 6.009 KJ/mol.

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  Chemistry

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• What is ##(3pi)/8 ## radians in degrees?

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  Geometry

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