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I’m gassy. Let’s bond. Stoichiometry. Energizer Bunny. I have the solution!. 2 00. 2 00. 2 00. 2 00. 2 00. 4 00. 4 00. 4 00. 4 00. 4 00. 6 00. 6 00. 6 00. 6 00. 6 00. 8 00. 8 00. 8 00. 8 00. 8 00. 1000. 1000. 1000. 1000. 1000.

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  1. I’m gassy. Let’s bond. Stoichiometry Energizer Bunny I have the solution! 200 200 200 200 200 400 400 400 400 400 600 600 600 600 600 800 800 800 800 800 1000 1000 1000 1000 1000

  2. What volume will 2.50 mol of hydrogen (H2) occupy at -20.0 °C and 1.5 atm? Column 1, 200

  3. What volume would be occupied by 68.0 g of gaseous carbon dioxide, CO2, at STP? Column 1, 400

  4. A sample of gas has a volume of 852 mL at 25°C and 2.0 atm. What Celsius temperature is necessary for the gas to have a volume and pressure of 945 mL and 1.3 atm? Column 1, 600

  5. A neon light bulb (cylinder shaped, with a volume of 0.0026 L) at 0.0 °C and 1 atm contains how many grams of gas? Column 1, 800

  6. A chemical reaction produced 0.240 L of argon gas, Ar, at STP. What was the mass (in grams) of the gas produced? Column1, 1000

  7. Explain the difference between an ionic and covalent bond (it terms of electrons). Column 2, 200

  8. In a triple covalent bond, two atoms share a total of how many electrons? Column 2, 400

  9. How many hydrogen atoms would need to combine with a nitrogen atom to form a stable compound? Column 2, 600

  10. Draw the polar substance water. Column 2, 800

  11. Identify C2H4 as ionic or covalent and draw its Lewis-dot structure. Column 2, 1000

  12. Use the following balanced chemical equation to answer the following: B2Br6+ 6HNO3→ 2B(NO3)3+ 6HBr How many moles of HBr will be produced with 11 moles of HNO3? Column 3, 200

  13. Use the following balanced chemical equation to answer the following: 4NH3 + 5O2 → 4NO + 6H2O How many moles of H2O will be produced with 15 moles of O2? Column 3, 400

  14. Consider the balanced chemical reaction: 2Fe + 3 H2S04 → Fe2(SO4)3 + 3H2 How many moles of Fe2(SO4)3 will be produced if we begin with 150 grams of iron? Column 3, 600

  15. Use the following balanced chemical equation to answer the following: B2Br6+ 6HNO3→ 2B(NO3)3+ 6HBr How many grams of B(NO3)3 will be produced with 21 moles of HNO3? Column 3, 800

  16. Use the following balanced chemical equation to answer the following: 4NH3 + 5O2 → 4NO + 6H2O How many grams of NH3 are needed to produce 90 grams of water? Column 3, 1000

  17. List three phase changes that are endothermic. Column 4, 200

  18. Breaking bonds is what kind of reaction? Column 4, 400

  19. C5H12 + 8O2 5CO2 + 6H2O + 3510kJ How much energy is released if 80 g of pentane are combusted? Column 4, 600

  20. Calculate the amount of thermal energy (H) that is absorbed by the water. H = m•cΔT c = 4.2 J/g•c Column 4, 800

  21. Calculate the molar heat of combustion (kJ/mol) based on the data above. Cwater = 4.2 J/g•c ethanol (C2H5OH) Column 4, 1000

  22. All solutions are classified as this type of mixture. Column 5, 200

  23. Explain 2 different ways that a saturated solution can be made unsaturated. Column 5, 400

  24. Calculate the molarity of 140 g of calcium bromide in 2.0 L of solution. Column 5, 600

  25. If 2.5 mL of 6 MHClneeds to be neutralized, how many liters of 0.90 MNaOH must be added? Column 5, 800

  26. Predict the products if the following aqueous ionic solutions are combined: Silver (I) nitrate and sodium chloride. Column 5, 1000

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