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광산 탈출(전사)

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Mrs Calkins
Added Question (9/ 20)
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Question 1

Short Answer

For the reaction 2S(s) + 3O2(g) → 2SO3(g), which is the limiting reactant if 6.3 g of S is reacted with 10.0 g of O2?

  • S

  • Sulfur

Question 2

Short Answer

In the reaction CaCO3(s) + 2HCl(aq) → CaCl2(aq) + CO2(g) + H2O(l), what (min) number of grams of CO2 is produced if 68.1 g of CaCO3 is mixed with 51.6 g of HCl?

  • 29.9 g CO2

  • 29.9 g

Question 3

Short Answer

For the reaction 2Cl2(g) + 4NaOH(aq) → 3NaCl(aq) + NaClO2(aq) + 2H2O(l), which is the limiting reactant if 11.9 g of Cl2 is reacted with 12.0 g of NaOH?

  • Cl2

Question 4

Short Answer

In the reaction Mg2Si(s) + 4H2O(l) → 2Mg(OH)2(aq) + SiH4(g), which reactant is in excess when starting with 50.0 g of each reactant?

  • Mg2Si

Question 5

Short Answer

In the reaction 2Na(s) + 2H2O(l) → 2NaOH(aq) + H2(g), how many (max) moles of H2 are produced when 4 mol of Na is added to 2 mol of H2O?

  • 1 mol

  • 1 mol H2

Question 6

Short Answer

For the reaction C2H4(g) + O2(g) → CO2(g) + H2O(g), how many (min) moles of CO2 can be produced from 5.00 mol of C2H4 and 12.0 mol of O2?

  • 8.00 mol

  • 8.00 mol CO2

Question 7

Short Answer

For the reaction C2H4(g) + O2(g) → CO2(g) + H2O(g), how many (min) moles of CO2 can be produced with 0.480 mol of C2H4 and 1.08 mol of O2?

  • 0.720 mol

  • 0.720 mol CO2

Question 8

Short Answer

In the reaction C2H4(g) + O2(g) → CO2(g) + H2O(g), what (min) number of grams of CO2 can be produced from 2.0 g of C2H4 and 5.0 g of O2?

  • 4.6 g

  • 4.6 g CO2

Question 9

Short Answer

For the reaction of C8H18(l) with O2(g) to form CO2(g) and H2O(g), which is the limiting reactant if 2.28 g C8H18 is reacted with 7.00 g of O2?

  • O2

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