Homework Answers Page 10439

• What is the structure and function of the heart of a fish?

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  Psychology

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• Precious metals are commonly measured in troy ounces. A troy ounce is equivalent to 31.1 g. How many moles are in a troy ounce of gold? How many moles are in a troy ounce of platinum? of silver?

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  Chemistry

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• What is thymine?

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  Biology

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• What is the y-intercept for the equation ## 7x + 2y = - 12##?

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  Algebra

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• How do you find the unit rate for 44 breaths in 2 minutes?

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  Algebra

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• How much water would I need to add to 500 mL of a 2.4 M KCl solution to make a 1.0 M solution?

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  Chemistry

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• How do you convert 1/5 into a decimal and percent?

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  Algebra

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• What is distress?

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  Psychology

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• What is the McLaurin series of ##f(x) = sinh(x)?

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  Calculus

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• How do you name imines?

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  Chemistry

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• How are biomes distinguished from eachother?

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  Environmental Science

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• What is a dilation, or scaling around a point?

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  Geometry

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• Haworth formula draw structure of sucrose and explain why it is considered non reducing sugar?

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  Chemistry

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• In a 30-60-90 triangle, the shorter leg has length of ##8sqrt3## m. What is the length of the other leg (L) and the hypotenuse?

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  Geometry

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• What is the pOH of a 2.7x10-11 M solution of LiOH?

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  Chemistry

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• What are the six possible alkenes for C5H10?

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  Chemistry

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• What is the relatively soft layer of the upper mantle called?

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  Science

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• What is the difference between a Joule (J) and an electron volt (eV)?

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  Physics

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• What is transcription?

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  Biology

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• How far away is pluto from earth? Does this distance vary?

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  Science

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• How are transverse waves and compressional waves alike?

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  Chemistry

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• The circumference of a circle is 6.28. What is the area of the circle?

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  Geometry

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• What does a rhombus with two right angles look like?

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  Geometry

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• What is the smallest possible value of the sum of their squares if the sum of two positive numbers is 16?

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  Calculus

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• Why are stratovolcanoes sometimes called composite volcanoes?

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  Science

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• What is cyclic amp?

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  Biology

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• How do you write the the reaction of lead(II) nitrate (aq) with sodium iodide (aq) to form lead (II) iodide precipitate and sodium nitrate solution?

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  Chemistry

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• What are structure and function of alveoli?

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  Psychology

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• How do you solve ##4x^2=52## solve using the square root property?

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  Algebra

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• How can I find the percent compositions of (NH4)3PO4?

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  Chemistry

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• How did the Soviet Union respond to the U.S. policy of brinkmanship?

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  History

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• What is the difference between red marrow and yellow marrow?

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  Psychology

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• How many stereoisomers can exist for cortisone?

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  Chemistry

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• If linear momentum is increased by 50% then how much will the kinetic energy increase by, and why?

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  Physics

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• When does a test tube need to be held with the test tube holder?

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  Chemistry

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• An iron atom has an atomic number of 26 and an atomic mass of 55.8 amu. How many protons does an iron atom have?

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  Chemistry

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• How does paleomagnetism support the theory of plate tectonics?

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  Science

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• When ##"H"_2"SO"_4"## reacts with sodium hydrogen carbonate there is no reaction at all. What is the chemical equation for this?

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  Chemistry

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• What is the endosymbiotic theory?

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  Biology

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• Red light has a wavelength of 6.8E+2 nm. What is its frequency in 1/s, or Hz?

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  Chemistry

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• What is t-butyl alcohol?

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  Chemistry

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• The acceleration due to gravity on the moon is about one-sixth its value on earth. If a baseball reaches a height of 66 m when thrown upward by someone on the earth, what height would it reach when thrown in the same way on the surface of the moon?

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  Physics

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• How do you round 0.4062 to the nearest hundredth?

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  Algebra

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• Can square root of 34 be simplified?

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  Algebra

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• How do you write a sum in expanded form?

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  Calculus

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• What is magnetism?

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  Physics

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• At 27°C and 1 atm, 20% of N2O4 dissociated into NO2 as shown below. Determine partial pressure and equilibrium constant, kp N2O4 (g) <> 2NO2 (g) (Assume that the number of mole of N2O4 before dissociation is 1 mole)?

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  Chemistry

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• An aqueous solution is 12.00% ammonium chloride, NH4Cl, by mass. The density of the solution is 1.036 g/mL. What are the molality, mole fraction, and molarity of NH4Cl in the solution?

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  Chemistry

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• Why are arteries red?

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  Psychology

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• What is blank verse? What is an example of a blank verse in the play Julius Caesar by William Shakespeare?

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  English

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