Homework Answers Page 10567

• Which of the following compounds is insoluble in water? (a) ##"PbSO"_4## (b) ##"AgCl"## (c) ##"CaCO"_3## (d) All of the above

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  Chemistry

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• What is the equation of circle with center at (0,0) and radius of 7?

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  Precalculus

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• What are Hund's Rule, Pauli Exclusion Principle, and Aufbau Principle? How are they different? How are they related?

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  Chemistry

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• How do you convert 9.67 deciliters(dl) to nanoliters (nl)?

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  Algebra

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• How to calculate the maximum kinetic energy of photo emitted electrons if uv radiation has a wavelength of 275 nm?

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  Chemistry

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• How is a zygote formed in humans?

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  Biology

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• The atomic number of Uranium is 92 and its atomic mass is 238. How many neutrons does the most common isotope of Uranium have?

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  Chemistry

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• How do you evaluate ##(5\times 5+ 3) \div 7##?

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  Algebra

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• Which types of galaxies have a clearly defined disk component?

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  Science

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• What major product results when 2-bromo-2-methylbutane is treated with sodium ethoxide?

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  Chemistry

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• Which parts of acetylsalicylic acid are rigid?

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  Chemistry

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• An aqueous solution of ##"HCl"## contains 36% ##"HCl"## by mass. The density of the solution is 1.189 g/ml. What is the mole fraction of ##"HCl"## in the solution ? What is the molality of ##"HCl"## in the solution ? Show all calculations

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  Chemistry

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• Is 43 a prime number?

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  Algebra

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• Why is NH3 a lewis base and BCl3 a lewis acid?

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  Chemistry

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• How do syphilis and gonorrhea affect the reproductive system? Is there a cure for these diseases?

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  Psychology

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• How do you find the slope of ##2x-5y=0##?

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  Algebra

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• What is the difference between tone and mood in English composition?

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  English

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• What is the circumference of a circle with a radius 24 m in terms of ##pi##?

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  Geometry

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• How do you recognize a double displacement reaction?

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  Chemistry

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• In which year were the first ten amendments proposed to the states?

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  History

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• What is an f orbital?

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  Chemistry

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• Belina bought 4 1/2 yards of red fabric. She also bought 6 yards of white fabric. How many more inches of white fabric than red fabric did Belina buy?

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  Algebra

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• How many properties of matter are there?

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  Chemistry

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• The half-life of plutonium-239 is 24,100 years. Of an original mass of 100g, how much plutonium-239 remains after 96,440 years?

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  Chemistry

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• How do amino acids affect enzymes?

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  Biology

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• What is a thallus?

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  Biology

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• What is keratin in the integumentary system? What is the purpose or function of keratin?

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  Psychology

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• How come some seedless plants reproduce only asexually during dry times of the year?

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  Biology

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• What is the area of a square that has a perimeter of 12 feet?

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  Geometry

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• Player As longest home run distance is 484 ft. If Player A hits 45 home runs at his longest distance, what would the total distance be?

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  Algebra

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• How do you solve ##sin 3x = 0##?

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  Geometry

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• What is the square root of 35/36?

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  Algebra

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• Compare and contrast Ivan the Terrible and Peter the Great?

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  History

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• The angles of a triangle are in the ratio 3:4:5. How do you find the measures of the angles?

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  Algebra

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• Are there 31 pairs of cranial nerves and 12 pairs of spinal nerves?

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  Psychology

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• What is the electron configuration of argon?

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  Chemistry

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• When HCl(aq) is titrated with NH3(aq), the pH at the equivalence point is (a) less than 7.0 (b) equal to 7.0 (c) greater than 7.0. ?

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  Chemistry

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• What is the Endpoint Formula?

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  Geometry

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• How to define which animal's blood is what color?

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  Biology

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• At what distance from the base of a right circular cone must a plane be passed parallel to the base in order that the volume of the frustum formed shall be three-fifths of the volume of the given cone? (Ans: 0.26319h)

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  Geometry

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• Why is the symbol of silver is Ag and not Si?

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  Chemistry

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• What is the reciprocal of 6?

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  Algebra

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• How do isotopes relate to average atomic mass?

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  Chemistry

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• How do you solve for y in ##x-2y=1 ##?

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  Algebra

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• How did we come to know the tetrahedral shape of methane, as it is gas and we can't look at its molecular level through microscope or any kind of such instrument? How were structures of other compounds, such as Nacl, determined?

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  Chemistry

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• How do alleles affect inherited traits?

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  Biology

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• What is an example of verbal irony and situational irony in "Othello" or in any other literary work?

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  English

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• How do you draw a Newman projection for hexane while sighting down ##C_2-C_3##?

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  Chemistry

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• If plant cells are autotrophs and animal cells are heterotrophs, what do you call organisms that get energy using processes other than photosynthesis and cellular respiration?

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  Biology

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• What is denaturation and what causes denaturation in proteins?

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  Biology

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