Homework Answers Page 10725

• What is the purpose of anaphora?

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  English

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• What is electron affinity's definition?

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  Chemistry

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• How do you find perimeter of a triangle with 1 side given the angles are 105, 45, and 30 and the only side given is 8, opposite of the angle 30?

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  Geometry

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• What are some examples of lophotrochozoans?

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  Biology

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• The element copper has naturally occurring isotopes with mass numbers of 63 and 65. The relative abundance and atomic masses are 69.2% for a mass of 62.93 amu and 30.8% for a mass of 64.93 amu. What is the average atomic mass of copper?

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  Chemistry

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• What does it mean if someone is ego-driven?

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  Psychology

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• What are the three main types of intermolecular forces?

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  Chemistry

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• How are clouds formed and what factors affect their formation?

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  Science

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• Is 0,0,0,... a geometric sequence?

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  Precalculus

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• Which state is home to the world's first skyscraper?

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  History

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• Write balanced equation for proton-transfer reaction between HCl and PO43−?

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  Chemistry

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• If one square mile is 640 acres, how many square meters are there in 1 acre?

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  Physics

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• How do you factor quadratic equations with a coefficient?

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  Algebra

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• Approximately how much more energy is released in a magnitude 7 earthquake compared to a magnitude 5 earthquake?

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  Science

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• Which of these numbers is a prime number 1, 11, 21, 51?

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  Algebra

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• Why is the distributive property important?

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  Algebra

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• What are examples of flashback used in literature?

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  English

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• Who discovered X-rays?

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  Physics

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• In how many ways can you rearrange the letters A, B, C, D, E?

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  Statistics

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• Is a concave mirror converging or diverging?

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  Physics

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• What is the temperature between the earth and sun?

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  Science

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• The sum of three consecutive even numbers is 48. What is the smallest of these numbers?

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  Algebra

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• Why is sulfuric acid considered a Bronsted acid?

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  Chemistry

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• Calculate the molar mass of carbon tetrafluoride ?

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  Chemistry

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• The density of ethanol, a colorless liquid that is commonly known as grain alcohol, is 0.798 g/mL. How would you calculate the mass of 17.4 mL of the liquid?

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  Chemistry

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• What is the inflection point of ##y=xe^x##?

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  Calculus

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• An adult blinks about 450 times in 30 minutes. A 12 year old blinks about 150 times in 15 minutes. How many more times does an adult blink in minutes than a 12-year-old?

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  Algebra

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• How do resonance structures affect bond length?

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  Chemistry

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• What exactly determines whether a group is "Bulky" ? I've never known where to draw the line between bulky and not bulky. How do I tell?

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  Chemistry

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• When you multiply two odd or two even functions, what type of function will you get?

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  Precalculus

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• What is a karyotype and what is it used for?

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  Biology

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• A syringe containing 1.60mL of oxygen gas is cooled from 95.0∘C to 0.0∘C. What is the final volume of oxygen gas?

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  Chemistry

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• Why is trade and specialization important in economics?

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  Economics

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• What is the "Carbonic acid-bicarbonate" buffer system?

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  Chemistry

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• How do you convert a pressure of 1.75 atm to kPa and to mmHg?

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  Chemistry

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• The weight of an object on the moon. varies directly as the weight of the objects on Earth. A 90-pound object on Earth weighs 15 pounds on the moon. If an object weighs 156 pounds on Earth, how much does it weigh on the moon?

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  Algebra

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• What is coal composed of, and how do humans use it?

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  Science

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• How do you prove ##(1+sinx)/(1-sinx)=(secx+tanx)^2##?

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  Geometry

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• Calculate the pH of 0.15 M aqueous solution of ammonia?

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  Chemistry

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• How do pituitary hormones affect the function of the testis?

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  Psychology

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• Can a right triangle also be an obtuse triangle?

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  Geometry

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• How do you find the volume of the parallelepiped with adjacent edges pq, pr, and ps where p(3,0,1), q(-1,2,5), r(5,1,-1) and s(0,4,2)?

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  Calculus

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• What is the discriminant of ##x^2-2 =0## and what does that mean?

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  Algebra

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• What is the standard form of ##y-7=-2/3 (x+1)##?

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  Algebra

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• What is the rate law for the following mechanism in terms of the overall rate constant k? Step 1: ##A + B leftrightarrow C## (fast) Step 2: ## B + C -> D## (slow)

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  Chemistry

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• What is the main idea behind phylogenic classification of organisms?

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  Biology

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• Suppose the half life of element K is 20 minutes. If you have 200 g sample of K, how much of element K will be left after 60 minutes?

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  Chemistry

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• What are alternate interior angles?

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  Geometry

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• What is the atomic number, atomic mass, and number of neutrons of oxygen?

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  Chemistry

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• How to balance mg+o2=mgo?

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  Chemistry

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