Homework Answers Page 10648

• What is the difference between point-source and nonpoint-source water pollution?

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  Environmental Science

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• Do red blood cells have a cytoplasm and cell membrane?

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  Biology

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• Quest (1) determine the ksp for magnesium hydroxide Mg(OH)2 where the molar solubility of Mg(OH)2 is 1.4X10^-4 M? quest (2) the Ksp for Zn(OH)2 is 5.0x10^-17 .determine the molar solubility of Zn(OH)2 in a buffer solution with a pH of 11.5?

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  Chemistry

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• What body system is the pancreas a part of?

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  Psychology

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• How long is 33 inches added to 4 feet 7 inches?

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  Algebra

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• What is the VSEPR shape of the molecule H2O?

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  Chemistry

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• What is the difference between nucleophilic substitution and electrophilic addition?

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  Chemistry

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• Why is logistic growth more realistic than exponential growth?

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  Biology

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• How many constitutional isomers are possible for C4H9Br?

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  Chemistry

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• If Sally can paint a house in 4 hours, and John can paint the same house in 6 hour, how long will it take for both of them to paint the house together?

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  Algebra

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• Who invented the periodic table?

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  Chemistry

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• What is the function of small intestine?

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  Biology

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• What simple machines are in a bicycle?

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  Physics

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• What is a non-square rhombus?

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  Geometry

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• What does a Riemann sum represent?

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  Calculus

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• How do you express ln1.5 in terms of Ln2 and Ln3?

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  Precalculus

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• What is the Zaitsev's rule?

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  Chemistry

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• How would you convert 3598 grams into pounds?

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  Chemistry

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• What units are used to measure gas pressure?

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  Chemistry

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• What is the Square root of 21?

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  Algebra

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• How many inches are in 1/4 yard?

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  Algebra

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• Can a quadrilateral be both a rhombus and a rectangle? Please explain.

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  Geometry

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• What is a simple definition of the literary device cacophony?

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  English

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• What is the graph of ##y=sin(x+30)##?

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  Precalculus

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• What act ended the spoils system?

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  History

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• What does absolute value mean?

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  Algebra

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• How do I convert a mixed number into a decimal?

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  Algebra

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• What is your actual yield of uranium hexabromide if you start with 100 grams of uranium and get a percent yield of 83% ? U + 3 Br2 → UBr6

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  Chemistry

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• Is formation of acid rain an physical change?

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  Chemistry

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• A fish tank in the shape of a rectangular prism has dimensions of 14 inches, 16 inches, and 10 inches. The tank contains 1680 cubic inches of water. What percent of the fish tank is empty?

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  Algebra

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• Is molecular mass and molar mass the same?

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  Chemistry

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• How does the law of conservation of mass apply to physical changes?

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  Chemistry

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• How do polar bonds contribute to the polarity of a molecule?

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  Chemistry

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• Why is the boiling point of iron higher than magnesium ?

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  Chemistry

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• What is the mean, median, and mode for 1,2,1,2,1,3,3,4,3?

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  Statistics

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• When did Japan surrender?

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  History

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• Why is air over New York City considered as a heterogeneous mixture? Why is not considered as a homogeneous one?

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  Chemistry

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• How would you write the formula for sodium perchlorate?

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  Chemistry

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• How did the outcome of the Korean War compare with that of the Vietnam War?

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  History

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• Why is FeCl3 a Lewis acid?

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  Chemistry

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• How do you find the reference angle for 290 degrees?

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  Geometry

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• Is yeast an example of a heterotroph or an autotroph?

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  Biology

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• How do you find the area of a parallelogram without the height?

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  Geometry

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• What is the empirical formula of H2O2?

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  Chemistry

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• What is the overall charge of the electron cloud of an atom? Why?

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  Chemistry

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• What are some examples of properties of solids?

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  Chemistry

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• How do isotopes of carbon differ from one another?

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  Chemistry

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• What are saturated, unsaturated and supersaturated solutions?

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  Chemistry

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• What is a monomial function?

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  Precalculus

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• How do you find the square root of -300?

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  Algebra

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