Homework Answers Page 10820

• Why do chemical equations need to be balanced?

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• How do you determine how much of the excess reactant is left over? Also, how do you determine how much MORE of the limiting reagent would you need to use up the excess?

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  Chemistry

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• How are DNA chromosomes and genes related?

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  Biology

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• How do you calculate mole fraction of solute?

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  Chemistry

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• How do enzymes speed up chemical reactions?

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  Chemistry

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• Why do earthquakes often happen near subduction zones?

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  Science

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• What is sec 180 degrees?

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  Geometry

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• What is the limit as x approaches infinity of ##sin(x)##?

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  Calculus

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• How do you convert -1.3 (3 repeating) to a fraction?

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  Algebra

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• What is the ionic formula for lithium oxide?

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  Chemistry

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• How do you draw the lewis structure for NO2?

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  Chemistry

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• What is the ionic compound formula of magnesium nitrate?

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  Chemistry

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• How many valence electrons does nitrogen have? Five The number of is the number of electrons in the outer shell, that the atom uses for . Nitrogen has 5 electrons in its n 2 outer shell.

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  Chemistry

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• What is ##5/8## as a decimal?

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  Algebra

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• What are the colors of the stars from hottest to coldest?

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  Science

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• Can you please go over ##q = mcDeltaT##?

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  Chemistry

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• What is the mass in grams of one atom copper? How many copper atoms are in 1 gm of copper?

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  Chemistry

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• Why is DNA called the blueprint of life?

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  Biology

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• In the name α-D Glucose,what do "α" and "D" mean?

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  Chemistry

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• How do you convert 15 km to miles?

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  Algebra

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• How can I calculate pH of NaOH?

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  Chemistry

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• What is used to sort DNA into different lengths?

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  Biology

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• Diphosphorus pentoxide reacts with water to produce phosphoric acid (##H_3PO_4##). How do you write the balanced equation for this reaction?

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  Chemistry

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• What is the electron configuration of Sr2+?

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  Chemistry

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• What are the fungal structures where gametes are formed called?

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  Biology

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• Where in the cell does glycolysis take place?

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  Biology

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• What is 0 divided by 0?

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  Algebra

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• How many valence electrons does ##Li## have?

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  Chemistry

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• How do autosomal chromosomes differ from sex chromosomes?

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  Biology

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• How can i convert centimeters to meters?

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  Chemistry

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• What is the conjugate base of HSO4-?

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  Chemistry

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• What does temperature measure?

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  Chemistry

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• How can chemical properties of a substance be determined?

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  Chemistry

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• Why are cell membranes selectively permeable?

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  Biology

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• How many valence electrons are in aluminum ?

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  Chemistry

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• How can I write the formula for calcium nitride?

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  Chemistry

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• Name the two types of fermentation?

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  Chemistry

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• What kind of reaction is used for electroplating?

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  Chemistry

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• How do you verify the identity ##sin(pi/2 + x) = cosx##?

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  Geometry

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• Where are the magnetic fields strongest near a bar magnet?

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  Physics

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• What is the ionic compound name for cacl2?

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  Chemistry

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• How can I draw the Lewis structure for H2O?

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  Chemistry

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• What is the lewis structure for hcn?

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  Chemistry

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• Is hydrogen a nonmetal or a metal?

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  Chemistry

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• How do you calculate dilution factor?

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  Chemistry

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• What is the average of integers from 25 to 41?

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  Algebra

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• What do the terms hypertonic, hypotonic, and isotonic mean?

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  Biology

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• What is the correct formula for calcium phosphate?

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  Chemistry

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• What is the definite shape and volume for solid, liquid, and gas?

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  Chemistry

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• How can I calculate delta G of a reaction?

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  Chemistry

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