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What is the coefficient for CO when the following equation is balanced with the smallest whole number coefficients? Fe2O PowerPoint Presentation
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What is the coefficient for CO when the following equation is balanced with the smallest whole number coefficients? Fe2O - PowerPoint PPT Presentation


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What is the coefficient for CO when the following equation is balanced with the smallest whole number coefficients? Fe2O3 + CO {image} CO2 + Fe. 5 6 3 4 1.

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slide1

What is the coefficient for CO when the following equation is balanced with the smallest whole number coefficients? Fe2O3 + CO {image} CO2 + Fe

  • 5
  • 6
  • 3
  • 4
  • 1
slide2

Balance the following equation with the smallest whole number coefficients. Choose the answer that is the sum of the coefficients in the balanced equation. Do not forget coefficients of "one". C5H6NS + O2 {image} CO2 + H2O + NO2 + SO2

  • 33
  • 35
  • 37
  • 39
  • 41
slide3

Balance the following equation with the smallest whole number coefficients. Choose the answer that is the sum of the coefficients in the balanced equation. Do not forget coefficients of "one". Cr2(SO4)3 + RbOH {image} Cr(OH)3 + Rb2SO4

  • 10
  • 12
  • 13
  • 14
  • 15
slide4
How many moles of CO2would be produced from 56 moles of O2 according to the following balanced equation? 2C2H6 + 7O2 {image} 4CO2 + 6H2O
  • 16
  • 32
  • 224
  • 48
  • 8
slide5
What mass of SnCl4 must react with excess FeCl2 to produce 70.0 grams of SnCl2? SnCl4 + 2FeCl2 {image} SnCl2 + 2FeCl3
  • 76.1 g
  • 96.2 g
  • 99.2 g
  • 106 g
  • 110 g
slide6

What is the maximum amount of Ca3(PO4)2 that can be prepared from 9.8 g of Ca(OH)2 and 9.8 g of H3PO4?3Ca(OH)2 + 2H3PO4 {image} Ca3(PO4)2+ 6H2O

  • 6.8 g
  • 8.6 g
  • 10.3 g
  • 13.7 g
  • 15.5 g
slide7

If a reaction of 27.5 g of Fe with 63.1 g Cl2produced 60.4 g of FeCl3, what was the limiting reactant and the percent yield? 3Cl2+ 2Fe {image} 2FeCl3

  • Fe, 75.6%
  • Fe, 62.8%
  • Cl2, 41.8%
  • Cl2,63.0%
  • Fe, 37.8%
slide8
If 23.0 g of NaCl is dissolved in 300. g of H2O, what is the percent by mass of NaCl in the resulting solution?
  • 0.080%
  • 0.767%
  • 7.67%
  • 7.12%
  • 21.4%
slide9
The density of a 34.0% solution of NaBr is 1.33 g/mL. What volume of the solution contains 25.7 g of NaBr?
  • 101 mL
  • 6.57 mL
  • 32.8 mL
  • 105 mL
  • 56.8 mL
what mass of cacl 2 must be dissolved in enough water to produce 2000 ml of 1 25 m cacl 2
What mass of CaCl2 must be dissolved in enough water to produce 2000. mL of 1.25 M CaCl2?
  • 174 g
  • 277 g
  • 90.7 g
  • 81.1 g
  • 310 g
how many ml of 18 4 m h 2 so 4 are needed to prepare 600 ml of 0 10 m h 2 so 4
How many mL of 18.4 M H2SO4 are needed to prepare 600. mL of 0.10 M H2SO4?
  • 1.8 mL
  • 2.7 mL
  • 3.3 mL
  • 4.0 mL
  • 4.6 mL
slide12

What volume of 3.00 molar sulfuric acid, H2SO4, is required to react with 250. grams of calcium carbonate, CaCO3? CaCO3 + H2SO4 {image} CaSO4 + CO2+ H2O

  • 208 mL
  • 462 mL
  • 767 mL
  • 833 mL
  • 946 mL
slide13

What volume of 0.385 molar nitric acid, HNO3, is required to react with 48.0 mL of 0.0770 M calcium hydroxide, Ca(OH)2, according to the following equation? 2HNO3 + Ca(OH)2 {image} Ca(NO3)2 + 2H2O

  • 24.8 mL
  • 9.62 mL
  • 38.4 mL
  • 19.2 mL
  • 45.0 mL