Homework Answers Page 10284

• How does vascular connection theory explain apical dominance?

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• What is pathos of fallacies?

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  English

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• How did Dalton Atomic Theory explain the law of definite proportions?

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  Chemistry

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• What are the defining characteristics of the Precambrian time?

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• How does vapor pressure related to intermolecular forces?

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• A beam of light has a wavelength of 506 nanometers. What is the frequency of the light? What color is the light?

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  Science

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• What is the sum of the first 500 odd numbers?

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  Algebra

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• How many grams of lithium nitrate will be needed to make 250 grams of lithium sulfate, assuming that you have an adequate amount of lead (IV) sulfate to do the reaction? Pb(SO4)2 + 4 LiNO3  Pb(NO3)4 + 2 Li2SO4

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• What is the definition of osmosis in terms of solute concentration?

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• Why are fossils rare in precambrian rocks?

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• What was the Pendleton Civil Service Act?

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  History

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• What are the 3 cell cycle "checkpoints?"

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• If ethanol has a density of .785 g/mL, what is the volume of 83.3 g of ethanol?

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  Chemistry

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• What is pus? Is it just white blood cells?

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  Psychology

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• Lead(II) chromate, PbCrO4, is a yellow paint pigment (called chrome yellow) prepared by a precipitation reaction . In a preparation, 45.6 g of lead(II) chromate is obtained as a precipitate. How many moles of PbCrO4?

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• How does Shakespeare characterize the witches in Macbeth? What is their thematic significance?

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  English

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• How to calculate the mass ratio of zinc to iodine in zinc iodide ?

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  Chemistry

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• What di you mean by hemolytic fission and heterolytic fission?

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  Chemistry

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• How can I calculate the percent composition of water in a hydrate?

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  Chemistry

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• Creatine phosphate functions in the muscle cell by?

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  Biology

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• What are the similarities and differences between prokaryotic and eukaryotic genomes?

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  Biology

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• When balancing a chemical equation, why can you change coefficients, but not subscripts?

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  Chemistry

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• How does heat capacity affect living organisms?

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  Chemistry

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• How do you determine if ##f(x,y)=-x^3+3x^2y^2-2y^2## is homogeneous and what would it's degree be?

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  Calculus

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• A pen costs $.59. How much would a dozen pens cost?

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  Algebra

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• What is the the role of atp and nadph in the calvin cycle?

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  Biology

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• What is a hyperbole in the poem, "The Highwayman"?

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  English

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• How do you find the Slope of the curve ##y=sqrt(x)## at the point where ##x=4##?

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  Calculus

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• What is the chemical formula and molar mass for water?

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  Chemistry

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• How do you simplify 3/5 divided by 2?

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  Algebra

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• Calcium hydride reacts with water to form calcium hydroxide and hydrogen gas. How many grams of calcium hydride are needed to form 8.5 grams of hydrogen?

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  Chemistry

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• Your teacher has mixed salt, pepper, and water. What is a procedure that you could use to separate this mixture?

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  Chemistry

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• How did the Allies overcome the German U-boats and win the Battle of the Atlantic?

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  History

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• Combustion reactions always result in the formation of water. What other types of chemical reaction may result in the formation of water? What are some examples of these reactions?

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  Chemistry

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• Find the value of cos theta/1-sin theta + cos theta/1+sin theta=4?

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  Geometry

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• In the polyatomic ion, CrO4 -2, what is the charge on the chromium atom?

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  Chemistry

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• Put mercury(II) oxide in a vacuum bottle and let it decompose at 500 °C. This equilibrium takes place: ##"2HgO(crystal)" ⇌ "2Hg(vapor)" + "O"_2("g")##. What is ##ΔG## for the reaction at 500 °C?

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  Chemistry

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• What is the formula of aluminum carbonate?

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  Chemistry

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• What is diction? What some examples of it? I wrote a persuasive essay in my AP class, and my teacher wrote DICTION! everywhere.

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  English

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• How do you convery cal to Joules? i.e. 444 cal to joules

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  Chemistry

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• What is the long definition of rotational motion? What are the other types of motion?

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  Physics

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• What are the E and Z isomers of cinnamic acid?

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  Chemistry

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• A potassium ion has a charge of 1+. A sulfide ion has a charge of 2- .Wha tis the chemical formula for potassium sulfide?

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  Chemistry

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• How does chemical weathering differ from mechanical weathering?

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  Science

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• What pressure (in torr) is exerted by 10.0 g of O2 in a 2.50 L container at a temperature of 27 degree C?

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  Chemistry

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• 1-liter 10x stock solution of SDS-running buffer is made. The 10x solution has 1%(w/v) concentration of SDS(MW288.8). What is the molarity of the SDS in 1x running buffer? the 10x stock is made at a concentration that is 10 times that of the concentration

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• What does the "C" in the specific heat formula represent?

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• A desk measures 42 inches long. How many meters is that?

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  Physics

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• Suppose three nucleotides are inserted into a gene. Will this insertion mutation cause a frameshift mutation?

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  Biology

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• What rule is used to join the free nucleotides to the exposed bases of the DNA?

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  Biology

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