Chemistry Homework Help: Answers & Questions Page 63

• What polyatomic ions end in -ide?

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• If nitric acid is derived from the nitrate ion, what is the formula for nitric acid?

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• Which is not a good nucleophile, phenoxide ion or acetate ion?

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• In a Diels-Alder Reaction, 3-sulfolene produces a 1,3-butadiene and a gas. What is the gas that is produced?

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• How come H2SO4 in binary acid form is sulfuric acid and not dihydrogen sulfuric acid?

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• How do you complete the following metric conversion problem: 3.5 mg = ? ##mu##g?

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• What is the difference between independent and dependent variables?

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• How do electron configurations change for ions?

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• Define solubility. Provide an example of something soluble. Idk How Can u Help?

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• Ethanol (ethyl alcohol) has a density of 0.789 g/mL at 25C. If 75.5 g of ethanol is needed to make a solution, how many milliliters should be measured into the solution container?

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• When 10.00g of iron is burned in O2(g) to form Fe3O4(s), enough heat is generated to raise the temperature of 851g of water from 18.0 ∘C to 38.0 ∘C. What is the heat of formation of Fe3O4(s)?

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• What is an example of an heterogeneous mixture?

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• When an atom has an atomic number of 6 and a mass number is 14 how many electrons and neutrons are in the atom?

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• Why is k constant in Boyle's law?

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• What is a buffer in chemistry?

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• How can I calculate the mass percent of carbon, nitrogen and oxygen in acetamide, ##C_2H_5NO##?

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• What are functional groups?

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• Why is ##ZnCl_2## a lewis acid?

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• What is the hydroxide ion concentration in a solution of ##"NH"_3## with a ##"pOH"## of ##4.65##?

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• Why is law of definite proportions important?

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• When solutions of silver nitrate and potassium chloride are mixed, silver chloride precipitates out of solution according to the equation? AgNO3(aq)+KCl(aq)→AgCl(s)+KNO3(aq)

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• Which is more stable, cis -1-ethyl-2-methylcyclohexane or trans -1-ethyl-2-methylcyclohexane?

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• Why are Arrhenius acids strong electrolytes?

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• What is the mass of 15ml of water?

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• How does polarity affect SN1 reactions?

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• What is the Mole ratio of C12H22O11 (Sucrose)?

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• What are the chemical formulas of potassium sulfate and of calcium acetate?

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• What is the formula for molarity?

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• How does the Bohr theory of the atom explain flame colors?

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• In the Haworth projection, why is the –CH2OH group pointing up?

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• How many centigrams are in 4.15 grams?

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• How did Henry Moseley alter Mendeleev's original periodic table?

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• What is the structural formula for 2-methylpropane?

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• What is the empirical formula of methane given methane can be decomposed into 4.5 g of carbon and 1.5 g of hydrogen?

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• What is the answer to: 50g of nitrogen (N2) has a volume of _____L at STP (40L)?

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• Why is the pH scale 0-14?

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• How does the valence electron configuration work for sulfur?

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• Which is more effective at raising the boiling point of a soup? Why? SrBr2 Ca3N2 KCl CH4

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• What is the basic structure of an atom?

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• Pure water freezes at 0°C and boils at 100°C. Would tap water likely freeze and boil at those exact temperatures? Why or why not?

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• 4HCl(aq) + MnO2(s) →2H2O(l) + MnCl2(aq) + Cl2(g) How many grams of HCl react with 5.00 g of manganese dioxide, according to this equation?

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• What is the formula for Ammonium sulfide?

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• Draw the lewis dot structure of H2SO4 show formal charges? show how its stronger acid than HNO3

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• How do you calculate specific heat of lead?

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• What is the major difference between a cyclic hemiacetal and a cyclic acetal?

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• How do you find percent composition of a compound?

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• What mass of urea, a nonionic compound, must be added to 20.0 g of ethanol to make the boiling point of ethanol 79.6 ºc? kb = 1.22 ºc/m the normal boiling point of ethanol is 76.5 ºc.

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• What is the oxidation number of manganese in MnO4-, Mn2O3, and MnO2?

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• Which liquid, methanol or ethanol, has the larger vapor pressure value at room temperature?

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• Explain orbital notation?

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