2 00 I’m gassy. 8 00 6 00 4 00 1000 2 00 Let’s bond. 8 00 6 00 4 00 1000 2 00 Stoichiometry 8 00 6 00 4 00 1000 2 00 Energizer Bunny 8 00 6 00 4 00 1000 2 00 I have the solution! 8 00 6 00 4 00 1000
Jan 03, 2016
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I’m gassy.
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Let’s bond.
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Stoichiometry
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EnergizerBunny
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I havethe solution!
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Column 1, 200
What volume will 2.50 mol of hydrogen (H2) occupy at -20.0 °C and 1.5 atm?
Column 1, 400
What volume would be occupied by 68.0 g of gaseous carbon dioxide, CO2, at STP?
Column 1, 600
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, 800
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?
Column1, 1000
A chemical reaction produced 0.240 L of argon gas, Ar, at STP. What was the mass (in grams) of the gas produced?
Column 2, 200
Explain the difference between an ionic and covalent bond (it terms of electrons).
Column 2, 400
In a triple covalent bond, two atoms share a total of how many electrons?
Column 2, 600
How many hydrogen atoms would need to combine with a nitrogen atom to form a stable compound?
Column 2, 800
Draw the polar substance water.
Column 2, 1000
Identify C2H4 as ionic or covalent and draw its Lewis-dot structure.
Column 3, 200
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, 400
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, 600
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, 800
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, 1000
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 4, 200
List three phase changes that are endothermic.
Column 4, 400
Breaking bonds is what kind of reaction?
Column 4, 600
C5H12 + 8O2 5CO2 + 6H2O + 3510kJ
How much energy is released if 80 g of pentane are
combusted?
Column 4, 800
Mass of water 100.0 g
Initial water temp 18.0 °C
Mass of ethanol burned 0.65 g
Final water temp 48.0 °C
Calculate the amount of thermal energy (H) that is absorbed by the water.
H = m•cΔTc = 4.2 J/g•c
Column 4, 1000
Calculate the molar heat of combustion (kJ/mol) based on the data above.
Cwater = 4.2 J/g•cethanol (C2H5OH)
Mass of water 100.0 g
Initial water temperature 18.0 °C
Mass of ethanol burned 0.65 g
Final water temperature 48.0 °C
Column 5, 200
All solutions are classified as this type of mixture.
Column 5, 400
Explain 2 different ways that a saturated solution can be made unsaturated.
Column 5, 600
Calculate the molarity of 140 g of calcium bromide in 2.0 L of solution.
Column 5, 800
If 2.5 mL of 6 M HCl needs to be neutralized, how many liters of 0.90 M NaOH must be added?
Column 5, 1000
Predict the products if the following aqueous ionic solutions are combined:Silver (I) nitrate and sodium chloride.