Chem 1210 Quiz #1A 9/3/02 Dr. B. Jackson

1. Code A

2. Boiling oil is a _______ change. a) chemical b) physical

3. 0.00000028 is 2.8 x 10^X . X is a) b) -6 c) 7 d) -7 e) None of these

4. Which answer is the most reasonable? A paper clip weighs

a) 50 mg b) 50 g c) 50 kg

5. A dL is

a) 10 mL b) 100 mL c) 10 L

6. 8 Fg (micrograms) equals x 10^X milligrams. X equals a) 3 b) -3 c) 6 d) -6

7. A 335.0 cc sample of urine has a mass of 342.6 g. What is the density in g/mL to three

decimal places?

a) 1.101 b) 1.210 c) 1.023 d) 0.980

8. The dosage for a medication was 0.5 mg/kg body weight. How many milligrams would be needed for a 110 lb woman?

a) 50 b) 25 c) 100

9. A tumor was 8 cm wide. What would that be in inches?

a) 3.1 b) 17.6 c) 5.2 d) 10.1

10. Convert 320E F to ___ EC. a) 576 b) 373 c) 160 d) 544

11. Absolute zero is ____

a) 0EF b) 0EC c) -273EC d) -273E F e) 273 kelvin

12. 100 kelvin equals ______EC. a) 173 b) -173 c) 373 d) -373

13. How many calories does it take to melt 1 gram of ice at 0EC to liquid water at 0EC?

a) 1 b) 10 c) 100 d) 80 e) 540

14. How many calories does it take for 5 grams of water at 50EC to go to 100EC steam?

a)2,700 b) 2,950 c) 27,250 d) 650

15. Walking at a speed of 2.5 mph for 30 minutes burns up 105 kilocalories. Dr. Jackson decided to burn up her calories drinking cold water at 4EC and warming it up to her body temperature of 37EC. How many liter bottles of water would she have to drink?

a) 3 b) 30 c) 10 d) 100

Ans: 1a; 2b; 3d; 4a; 5b; 6b; 7c; 8b; 9a; 10c; 11c; 12b; 13d; 14b; 15a

Wednesday, March 21, 2007 01:28:01 PM