Homework Answers Page 10621

• Is the hypothalamus in the Temporal Lobe?

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  Psychology

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• How do vacuoles help maintain homeostasis?

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  Biology

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• What two simple machines make a screw?

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  Physics

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• An acid-base titration is performed but some base that splashed onto the sides of the flask is not rinsed down prior to the endpoint measurement. Will the calculated molarity of the acid sample be erroneously high or low, and why?

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  Chemistry

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• What is the number of dots in the electron dot symbol of nitrogen?

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  Chemistry

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• What is absolute threshold?

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  Psychology

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• What is the pH of the equivalence point solution in the titration of 25.00 mL of 0.100 M CH3COOH (pKa = 4.76) with 0.125 M NaOH solution?

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  Chemistry

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• What is the past tense of the word "draw"?

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  English

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• How do you write 0.416 [6 is the repeating decimal] as a fraction? 2. 1.27 [27 is the repeating decimal] 3. 0.148 [ 148 is the repeating decimal]?

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  Algebra

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• What is the difference between a definite and indefinite integral?

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  Calculus

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• Is hydrolysis exothermic or endothermic?

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  Chemistry

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• What is the structural and functional unit of the kidney?

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  Psychology

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• What is a cresol? and what are the different types of cresol?

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  Chemistry

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• How do you solve for y: ##2x + y = 8## , ##2x - y = 8##?

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  Algebra

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• Is the term "buffered aspirin" used correctly?

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  Chemistry

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• Dogs have 78 chromosomes in their diploid cells. How many chromosomes are in their haploid cells?

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  Biology

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• How do you find the vertex and intercepts for ##y = (x-5)^2 +2##?

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  Algebra

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• A 1000-watt microwave oven takes 60 seconds to heat a bowl of soup. How many joules of energy does it use?

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  Physics

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• If lemonade costs $0.52 per pint, what is the cost per cup?

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  Algebra

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• What is aphasia?

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  Psychology

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• Is parathormone an anterior pituitary hormone?

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  Psychology

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• Why is amide protonated on oxygen rather then in nitrogen ??

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  Chemistry

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• Why do your ears ''pop'' as you drive up a mountain?

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  Chemistry

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• At the Holiday Valley Ski Resort, skis cost $16 to rent and snowboards cost $19. If 28 peopie rented on a certain day and the resort brought in $478, how many skis and snowboards were rented?

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  Algebra

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• What is an asteroid? Where are most located?

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  Science

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• Novocaine, which is used by dentists as local anaesthetic, is a weak base with Kb = 8.91 x 10-6. Blood has a pH of 7.4. What is the ratio of concentrations of novocaine to its conjugate acid in the blood stream?

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  Chemistry

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• What are the characteristics of life?

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  Biology

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• What is the standard form of the equation of a circle with center (-3,3) and tangent to the line y=1?

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  Precalculus

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• What are the factors of 23? Is 23 prime or composite?

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  Algebra

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• What are the differences between cilia and pili?

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  Biology

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• What does the weak force do?

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  Science

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• Why is a rhombus not necessarily a regular polygon?

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  Algebra

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• How many miles are covered in a 20 kilometer race?

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  Algebra

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• How do you find the greatest common factor of 54, 27?

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  Algebra

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• Why is the reactivity series of metals important?

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  Chemistry

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• What is the electron configuration for a phosphorous anion with a charge of ##-2##?

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  Chemistry

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• How do you graph ##y=2x+1## using a table?

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  Algebra

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• How can opportunity cost be zero?

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  Economics

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• How can the distance formula be derived from the pythagorean theorem?

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  Algebra

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• What was a result of the Battle of Coral Sea?

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  History

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• Why it is important that many identical plasma cells are produced?

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  Biology

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• What is the definition of a covalent compound?

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  Chemistry

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• What is the formula for calcium sulfate?

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  Chemistry

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• How do you round 0.79 to the nearest tenth?

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  Algebra

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• Why is latent heat called hidden energy?

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  Physics

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• How can atomic emission spectra be useful?

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  Chemistry

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• How long is an eon?

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  Science

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• A metal plate weighing 200g is balanced in mid air by throwing 40 balls per second vertically upward from below.After collision ball rebounds with the same speed.What is the speed with which balls strike the plate.(mass of each ball-200g)?

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  Algebra

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• How does gas exerts pressure on its container?

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  Chemistry

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• Why is cos(0) = 1?

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  Geometry

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