Homework Answers Page 10687

• How would you rearrange the Henderson–Hasselbalch equation to find out [a/ha] from pH=pKa + log[a/ha] ?

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  Chemistry

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• What is the IUPAC name of iso-octane?

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  Chemistry

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• How do you use the half angle formula for ##sin ((5pi)/12)##?

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  Geometry

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• How do you find the domain and range of ##y = 2x - 1##?

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  Algebra

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• How many states succeeded from the Union and joined the Confederacy.

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  History

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• How does the law of conservation of matter relate to biology?

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  Chemistry

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• What is isotope notation?

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  Chemistry

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• How do you factor ##x^3+343##?

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  Algebra

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• How do you change kilograms to pounds?

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  Chemistry

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• What was the Tet Offensive and what significance did it have relating to the Vietnam War?

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  History

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• What is the different between a chromosome, chromatin and a chromatid?

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  Biology

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• How do you solve by completing the square: ##2x^2 + 4x +1 = 0##?

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  Algebra

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• The electron affinity of bromine is a negative quantity while it is a positive quantity for krypton, using the electron configurations of the two elements, how would you explain the difference?

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  Chemistry

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• Why would knowing the correct way to lift a heavy object be an important behavior to protect the health of the male reproductive system?

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  Psychology

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• Please explain ' Law of purity of gametes ' ?

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  Biology

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• What are all the factors of 64?

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  Algebra

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• What is a reservoir of disease?

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  Psychology

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• What is evaporation?

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  Chemistry

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• How do you use L'hospital's rule to find the limit ##lim_(x->oo)xsin(pi/x)## ?

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  Calculus

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• What is the ionic formula for sodium chloride?

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  Chemistry

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• What is the molar volume of gases at STP?

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  Chemistry

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• Im having trouble with this question. A sample of NaBr contains 22.34% Na by mass. considering the law of constant composition how many grams of sodium does 8.01 grams sample of sodium bromide contain?

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  Chemistry

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• How do you graph ##y=-3 sec x##?

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  Geometry

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• How can a converging lens produce a virtual image?

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  Physics

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• Which is the correct Lewis structure for chloroform, CHCl3?

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  Chemistry

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• What is the role of protein channels in the cell membrane?

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  Biology

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• What is the formal charge of carbon atom in the lewis structure of carbonyl sulfide (##OCS##)?

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  Chemistry

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• How do you find the 6 trig functions of 120 degrees?

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  Geometry

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• What is the atomic number for helium?

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  Chemistry

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• What is Ka?

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  Chemistry

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• Is the square root of 14 rational?

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  Algebra

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• What are the isomers of C6H12?

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  Chemistry

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• What percent of earth's history did dinosaurs live?

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  Science

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• What were the major concerns of the Muslim League?

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  History

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• What are number of neutrons in ##H_2SO_4##?

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  Chemistry

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• How do you add all the odd numbers between 1-99 inclusive?

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  Algebra

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• How can I calculate the specific heat of aluminum?

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  Chemistry

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• What is the point slope form of an equation with the slope of 3/5 that passes through the point(10,-2)?

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  Algebra

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• How do you find the Least common multiple of 14, 6?

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  Algebra

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• What is a mass defect and why is it important?

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  Chemistry

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• What is the chemical equation for the reaction between ammonium sulphate and sodium hydroxide?

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  Chemistry

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• Is NH4OH a covalent or ionic compound?

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  Chemistry

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• What does disproportionation reaction mean?

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  Chemistry

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• When did the big bang occur?

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  Science

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• How many right angles does a hexagon have?

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  Geometry

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• Is a temperature of ##"55"^@"F"## approximately equivalent to ##13°"C"##?

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  Chemistry

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• What is the domain and range of ##y=-sqrt(x^2-3x-10)##?

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  Algebra

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• How do you simplify (Square Root 35) times (Square Root 15)?

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  Algebra

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• What is a good way to remember what euphemism means?

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  English

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• Is butanoic acid secondary alcohol? If not, what level of alcohol is this? Can 2-butanol be made from butanoic acid? Why or why not?

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  Chemistry

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