Chemistry: Water Barrel Capacity and Hydrocarbons Quiz
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Questions and Answers

Which pair of reactants mixing will result in a precipitation reaction?

  • Na2SO4(aq) + Ba(NO3)2(aq) (correct)
  • NaCl(aq) + NaOH(aq)
  • KNO3(aq) + NH4F(aq)
  • HCl(aq) + Ca(OH)2(aq)

    • How many grams of water react to form 6.21 moles of Ca(OH)2?

  • 99.4 g of H2O
  • 6.21 g of H2O
  • 24.8 g of H2O
  • 112 g of H2O (correct)

    • How many Li atoms are contained in 3.00 g of lithium (Li, atomic mass 6.94 g/mol)?

  • 4.18 x 10^24 Li atoms (correct)
  • 8.49 x 10^24 Li atoms
  • 5.90 x 10^25 Li atoms
  • 7.09 x 10^24 Li atoms

    • What is the empirical formula for C6H12O6?

    <p>CH2O</p> Signup and view all the answers

    Write a possible molecular formula for CH2O.

    <p>C2H4O</p> Signup and view all the answers

    How many moles are there in 1.50 g of ethanol, C2H5OH?

    <p>0.0326 mol</p> Signup and view all the answers

    What is the capacity of a water barrel in quarts?

    <p>112 quarts</p> Signup and view all the answers

    Which statement about saturated hydrocarbons is correct?

    <p>They contain only single bonds</p> Signup and view all the answers

    What is the attractive force in nonpolar hydrocarbon molecules known as?

    <p>Van der Waals forces</p> Signup and view all the answers

    Which type of hydrocarbon contains triple bonds?

    <p>Alkyne</p> Signup and view all the answers

    What does the empirical formula represent?

    <p>The most reduced version of the chemical formula</p> Signup and view all the answers

    In the chemical reaction Bel2(aq) + CuSO4(aq) → BeSO4(aq) + Cu(s), what is the net ionic equation?

    <p>Be2+(aq) + 2CuSO4(aq) → 2BeSO4(aq) + Cu(s)</p> Signup and view all the answers

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