Chemistry Homework Help: Answers & Questions Page 53

• How does chemistry differ from alchemy?

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• How to determine the strong base and weak base?

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• What is the STP of ##H_2## in chemistry?

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• Why did James Chadwick use beryllium?

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• Difference between hexane hexene in terms of their chemical bonds?

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• Why are atomic numbers always whole?

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• Can you give me at least 5 examples of solutions?

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• What are the general properties of alkali metals?

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• Hydrofluoric acid (HF) reacts with silicon dioxide to produce silicon tetraflouride and water. How do you write the balanced equation for this reaction?

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• What is the difference between steric and torsional strain?

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• How can I draw and identify the chiral centers of galactose?

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• What is the atomic number for nitrogen?

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• How many grams of MgO are produce when 50 grams of Mg react with O?

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• What is the chemical formula for silver sulfate?

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• What is chemistry?

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• What metric unit is used to measure length?

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• What is the Ka of a strong acid like HCl?

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• 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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