Homework Answers Page 10670

• How big is earth compared to other objects in the solar system?

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  Science

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• What is the surface area to volume ratio of a sphere?

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  Geometry

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• What are the three commonly used temperature scales and how are they different?

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  Chemistry

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• What are sister chromatids?

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  Biology

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• ##[Cr(NH_3)_6][(NO_3)_3]## Number of elements? Number of atoms per element? Total number of atoms in compound?

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  Chemistry

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• What is an experiment in that all factors are identical except the one being tested?

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  Chemistry

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• How do phloem and xylem work together?

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  Biology

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• What is the square root of 1600?

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  Algebra

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• What is the molar mass of H20?

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  Chemistry

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• Why is HNO3 a strong acid?

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  Chemistry

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• Why is the ionization energy of neon higher than sodium in regards of periodicity?

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  Chemistry

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• How do you find the inflection point of a logistic function?

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  Calculus

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• What is "cell drinking?"

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  Biology

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• What are some examples of biogeochemical cycles?

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  Biology

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• What was the purpose of the invasion of Grenada?

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  History

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• Is salt an element, a compound, a homogenous mixture, or heterogeneous mixture?

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  Chemistry

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• What are some examples of dicots?

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  Biology

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• What is the Koran, and what role did Muhammad play in its creation?

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  History

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• What will be the atomic number of helium ion? 1 or 2?

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  Chemistry

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• What is genetics ?

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  Biology

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• What is the difference between a rectangular coordinate system and a polar coordinate system?

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  Geometry

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• What is the Lewis dot structure of ##BH_3##? How many lone pair electrons are in this molecule? How many bonding pairs of electrons are in this molecule? How many lone pair electrons are at the central atom?

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  Chemistry

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• What is the derivative of ##y=arctan(3x)##?

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  Calculus

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• How many acute angles can a quadrilateral have?

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  Geometry

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• How does the autonomic nervous system function in the maintenance of homeostasis?

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  Psychology

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• According to the following reaction, how many moles of Fe(OH)2 can form from 175.0 mL of 0.227 M LiOH solution? I have tried this a few times and not getting the correct answer of 1.99x10(-2) moles. I started with 0.277 M LiOH/0.175L.

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  Chemistry

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• What is an example of an apocrine, exocrine, merocrine, and a holocrine gland?

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  Psychology

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• What are some examples of valence electrons?

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  Chemistry

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• What is the purpose of a measure of center in Statistics?

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  Statistics

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• How many moles are there in 28 grams of ##CO_2##?

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  Chemistry

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• Can anyone explain me the amphoteric nature of water?

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  Chemistry

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• What does accommodation mean?

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  Psychology

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• What is the unit for the index of refraction?

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  Physics

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• What's the difference between the formula of acetate and ethanoate?

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  Chemistry

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• What is t-butyl chloride?

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  Chemistry

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• The Empire State Building has a height of 1250 ft. What is this height in meters, in scientific notation with three significant figures?

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  Chemistry

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• PbI2 is: PbI2(s) ⇌ Pb2+(aq) + 2I–(aq) At a particular temperature, the concentration of lead ions in a saturated solution of lead iodide was found to be 2.02×10−3 M What is the solubility of lead iodide expressed as mol/L' molar solubility'?

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  Chemistry

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• Calculate the molar concentration of 63.0 g of MgBr2 in 150.0 mL of solution?

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  Chemistry

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• How do you find ##(dy)/(dx)## given ##x^2+y^2=1##?

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  Calculus

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• What is Pressure?

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  Physics

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• What is the condensed structural formula for 2, 2-dimethylbutane?

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  Chemistry

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• How do you calculate electrochemical cell potential?

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  Chemistry

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• What are examples of metonymy?

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  English

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• Which of the following words has a positive connotation: Odor, Smell, Stench, or Aroma?

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  English

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• What is the best human anatomy and physiology book?

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  Psychology

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• How many cubic feet are in a cubic yard?

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  Algebra

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• How do you write 7 × 7 ×7 ×7 ×7 in exponential form?

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  Algebra

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• How do you simplify ##cos 2x = (1-tan^2x)/(1+tan^2x)##?

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  Geometry

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• A test consists of 910 true or false questions. If the student guesses on each question, what is the expected standard deviation of the number of correct answers?

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  Statistics

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• How are photosynthesis and cellular respiration connected?

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  Biology

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