First Semester Review Problem Set a
This problem set was developed by S.E. Van Bramer for Chemistry 146 at Widener University.
George Gobel, a professor at Purdue University, uses liquid oxygen to light his charcoal when he is in a hurry to grill some steaks. You can watch a video clip of this from George Gobel's Home Page, or a local copy of this file.
- Write a balanced chemical equation describing what happens when liquid oxygen is used to light charcoal.
- Write a lewis dot structure for each of the products.
- Determine the hybridization of each product.
- If 4 gallons of liquid oxygen (density 1142 kg m-3) are used to light 50 pounds of charcoal.
- Determine the limiting reagent
- Calculate the mass of all reactants and products when the reaction is complete
- Calculate the volume (at STP) of any gas formed by this reaction
- Calculate [delta]Hrxn for this process.
- Calculate the amount of heat released using the amounts given above.
- Calculate the amount of water, with an initial temperature of 10 °C, that may be brought to boiling with this amount of energy.
- Calculte the amount of water, with an initial temperature of 10 °C, that may be boiled with this amount of energy.
Please send comments or suggestions to firstname.lastname@example.org
Scott Van Bramer
Department of Chemistry
Chester, PA 19013
© copyright 1996, S.E. Van Bramer
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Last Updated: Sunday, January 17, 1999 15:54:50