Homework Answers Page 10653

• Calculate the number of oxygen atoms in 120.23 g of iron (II) phosphate, Fe3(PO4)2?

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  Chemistry

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• What is the approximate molecular mass of dry air containing 78% N2 and 22% O2? Explain stepwise.

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  Chemistry

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• What is significant about the early Tertiary period?

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  Science

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• Is this interrogative sentence or imperative sentence: "Tell me something about yourself."?

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  English

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• What is the VSEPR model for ##N_2##?

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  Chemistry

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• What is the function of cilia and mucus in the trachea, bronchi, and bronchioles?

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  Psychology

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• What is the molar mass of (NH4)2CO3?

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  Chemistry

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• What is a six-sided polygon called?

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  Geometry

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• How are fusion and fission similar?

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  Chemistry

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• Who invented the cotton gin?

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  History

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• What is the general formula to convert radians to degrees and vice versa?

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  Geometry

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• Which quadrant does the terminal side of -200 degrees lie?

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  Geometry

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• How is Charles' law different from Gay-Lussac's law?

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  Chemistry

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• What type of organism appeared during the Ordovician Period?

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  Science

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• Are diamonds made in the laboratory considered to be minerals?

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  Science

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• What is the definition of an action verb?

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  English

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• In a vinegar and baking soda balloon experiment, which gas law is being demonstrated?

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  Chemistry

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• Why might an oxygen dissociation curve be sigmoidal?

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  Biology

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• What is the most abundant element in the earth as a whole?

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  Science

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• When did the Great Depression end?

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  History

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• What are some examples of direct variation in real life?

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  Algebra

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• How do you complete the square and solve ##x^2+3x-28=0##?

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  Algebra

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• How do you convert 87.5% as a fraction and a decimal?

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  Algebra

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• When air pressure increases, the liquid in a Mercury barometer

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  Science

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• What are some good Bible verses for a someone who is confused about what path to take in life?

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  English

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• For what value of ##x## is the value of ##f(x) = 4x — 2## equal to 18?

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  Algebra

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• What do arteries,veins, and capillaries do?

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  Psychology

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• In electrolysis of water : 1.name the gas collected at the cathode and anode respectively? 2.how we will test this evolved gas ?

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  Chemistry

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• What does a low absolute lymphocyte count indicate?

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  Psychology

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• To bring 1.0kg of water from 25 c to 99c takes how much heat input? (in kilojoules)

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  Chemistry

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• The gauge pressure in both tires of a bicycle is 690 kPa. If the bicycle and the rider have a combined mass of 90.0 kg, what is the area of contact of each tyre with the ground?

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  Physics

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• What are the differences between a seismometer, seismograph, and seismogram?

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  Science

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• How do you simplify square root of 35 times square root of 10?

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  Algebra

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• One angle in a linear pair is 70 degrees. What is the second angle.?

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  Geometry

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• What is the difference between merocrine and apocrine?

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  Psychology

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• How many lines of symmetry does a regular decagon have?

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  Geometry

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• What is abrasion and how does it result in erosion?

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  Science

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• What is pH of the solution? 120 mg Na2HPO4 and 100 mg of NaH2PO4 dissolved in 1 L of deionized water.

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  Chemistry

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• How do you write ##sqrt(160)## in simplified radical form?

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  Algebra

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• How do you find the prime factorization of 72?

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  Algebra

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• How do you find the complement and supplement of an angle if the angle is 85 degrees?

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  Geometry

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• Assume for a moment that air consists of 80% nitrogen and 20% oxygen by volume. Using these three figures and typical values for temperature and pressure (1.000atm, 25 degrees C) calculate the density of air?

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  Chemistry

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• Combination reaction when nitrogen combines with hydrogen, ammonia is formed?

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  Chemistry

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• How can density be used to identify substances?

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  Chemistry

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• What is a compound, element, and mixture?

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  Chemistry

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• What is the function of an endocytic vesicle in an Eukaryotic cell?

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  Biology

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• How many biomes are there?

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  Environmental Science

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• Can you define ecology?

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  Biology

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• How do you find x-intercepts, axis of symmetry, maximum or minimum point, and y-intercept for the equation ##y=1/2(x-8)^2+2##?

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  Algebra

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• How do I find the real zeros of a polynomial function on a graphing calculator?

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  Precalculus

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