Free Exam: 512 Chapter 19 Quick Quiz
Number of Questions in Test: 9
Number of Questions in Preview: 5
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Complete and correctly balance the following equation:
C[sub]5[/sub]H[sub]10 [/sub]+ O[sub]2[/sub] →
C[sub]5[/sub]H[sub]10 [/sub]+ O[sub]2[/sub] →
| Type: | Free text |
| Points: | 2 |
| Randomize answers: | No |
Question 2
An experiment is conducted in which a cashew nut is burned under a beaker containing 125 mL of water. If the original temperature of the water was 25ºC, and the final water temperature is measured at 75ºC, how many calories were released by the burned cashew?
| Type: | Free text |
| Points: | 2 |
| Randomize answers: | No |
Question 3
List two types of substances that can burn?
| Type: | Free text |
| Points: | 2 |
| Randomize answers: | No |
Question 4
When a 1.578 g chip is burned in a bomb calorimeter containing 100 mL of water, the temperature of the water is increased by 57ºC. How many [b]Food Calories[/b] are released per gram of chip?
| Type: | Free text |
| Points: | 2 |
| Randomize answers: | No |
Question 5
Ryan burns a Cheeto under a soda can calorimeter that he made at home. He calculates the calories per serving for his Cheeto, but when he calculates his percent error it s 87%. Why did his experiment yield such poor results?
| Type: | Free text |
| Points: | 2 |
| Randomize answers: | No |