Test_1__F_06_Form_A

Test_1__F_06_Form_A - Chemistry 1035 First Test FORM A...

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Chemistry 1035 First Test FORM A September 13, 2006 I promise that I will abide by the Virginia Tech Honor Code while taking this test. Signature Printed Name ___________________________ 1. A room is 4 meters wide by 6 meters long by 3 meters high and has an air conditioner that exchanges air at a rate of 1200 liters per minute. How long will it take for the air conditioner to exchange the air in the room once? 1. 15 minutes 2. 30 minutes 3. 60 minutes 4. 90 minutes 2. The volume of a bacterial cell is 1.72 cubic micrometers. What is the volume of 1.00x10 5 of these cells in units of cubic millimeters? 1. 1.72x10 -9 cubic millimeters 2. 1.72x10 -4 cubic millimeters 3. 1.72x10 2 cubic millimeters 4. 1.72x10 4 cubic millimeters 3. Convert 5.00 pounds per square inch (lb/in 2 ) to units of grams per square centimeter (g/cm 2 ). 1. 0.0711 g/cm 2 2. 70.4 g/cm 2 3. 352 g/cm 2 4. 894 g/cm 2
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4. A sample of an element has a mass of 1.75 centigrams. What is this mass in units of kilograms? 1. 1.75x10 -6 kg 2. 1.75x10 -5 kg 3. 1.75x10 5 kg 4. 1.75x10 6 kg 5. An empty vial has a mass of 55.3 grams. When completely filled with a liquid whose density is 1.40 g/cm 3 , the vial and its contents have a mass of 363.3 grams. What is the volume of the vial in milliliters? 1. 39.5 mL 2. 220 mL 3. 260 mL 4. 431 mL 6. The temperature of a gas sample is 314 K. What is this temperature in degrees Fahrenheit? 1. 106 o F 2. 131 o F 3. 157 o F 4. 174 o F 7. Using a graduated cylinder and a balance, four students each determined the density of an organic liquid four times. The results, in g/mL, were: Student I 0.64, 0.63, 0.61, 0.60 Average: 0.62 g/mL Student II 0.78, 0.82, 0.81, 0.79 Average: 0.80 g/mL Student III 0.90, 0.91, 0.92, 0.91 Average: 0.91 g/mL Student IV 0.72, 0.88, 0.70, 0.90 Average: 0.80 g/mL
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Test_1__F_06_Form_A - Chemistry 1035 First Test FORM A...

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