| 1. |
Acetylene is a flammable gas used in welding. The boiling point of acetylene is -84 C. If a sample of acetylene was cooled to 46C below its boiling point (where it would become a solid), what would its temperature be?
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| 2. |
* This is a pre-made sheet.
Use the link at the top of the page for a printable page. |
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| 3. |
Zachary has not been too successful when running the quarterback sneak play for the Smallville football team this year. On six attempts, he has achieved the following results (in yards): -4, 1, -3, 0, -2, and 2. What is his average yardage on the quarterback sneak? Round your answer to the nearest tenth.
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| 4. |
Kayla performs an endothermic reaction in a flask on the bench. At the beginning of the reaction the temperature in the flask is 24C. The temperature decreases by 26C. What is the new temperature?
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| 5. |
The melting point of trifluoroacetophenone is -40C. The melting point of 4-nitroacetophenone is 81C. Another similar compound melts at -50C. What is the average melting point of the compounds?
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| 6. |
The water potential in one plant cell was calculated to be -3 bar. The water potential in another cell was found to be -10 bar. What was the difference in water potentials? Note: the bar is a pressure unit equal to about 14.5 PSI.
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