front 1 Which applies to the following: the density of copper metal is 8,96 grams/mL.
| back 1 a physical property. |
front 2 Which applies to the following: the boiling point of water is 100 degrees C.
| back 2 a physical property. |
front 3 Which applies to the following: Iron metal rusts.
| back 3 a chemical change. |
front 4 How many significant figures does the number 500. contain?
| back 4 3 |
front 5 How many significant figures does the number 0.0250 contain?
| back 5 3 |
front 6 How many significant figures does the number 1.2500x10^7 contain?
| back 6 5 Ex. 12,500,000 |
front 7 How many significant figures does the number 60 seconds/minute?
| back 7 infinite |
front 8 What is 26.33 + 3 + 5.345 = ? Report your answer with the correct number of significant figures.
| back 8 = 34.675 -> = 35 (2 sig figs) |
front 9 What is 98.8 + 1 = ? Report your answer with the correct number of significant figures.
| back 9 100. Ex. 100. => 3 significant figures 100 => 1 significant figure |
front 10 What is 2.350 x 3.2 = ? Report your answer with the correct number of significant figures.
| back 10 7.5 (2 sig figs) |
front 11 What is 3000/10.0 = ? Report your answer with the correct number of significant figures.
| back 11 300 (1 sig fig) |
front 12 What is 134.34 - 10.2 + 8.431 = ? Report your answer with the correct number of significant figures.
| back 12 132.6 (4 sig figs) |
front 13 Convert 600 nanometers to meters 1 m = 1x109 nanometers Enter your answer in decimal format Note: When graded the computer may not show the correct number of significant figures in the answer but you should still report the correct number of significant figures in your answer. | back 13 0.0000006 m |
front 14 Convert 0.0064 kilometers to to centimeters. 1 km = 1000 m 1 m = 100 cm | back 14 640 cm |
front 15 Convert 115.0 gallons per hour to liters per minute. Do not type units with your answer. 1 gallon = 3.785 liters 1 hour = 60 minutes | back 15 7.225 |
front 16 If you are driving on the highway at a speed of 26.0 miles/hour how fast are you traveling in meters/second? 1 mile = 5,280 feet 1 foot = 12 inches 1 in = 2.54 cm 1 m = 100 cm 1 hour = 60 minute 1 minute = 60 second Do not type your units for this problem | back 16 11.6 |
front 17 Convert 6.50 g/mL to pounds/gallon 453.59 g = 1 pound 3.785 L = 1 gallon Do not type units with your answer. | back 17 54.2 |
front 18 Convert 58 degrees Fahrenheit to Celsius. Do not type units with your answer. Temperature in Celsius = (Temperature in Fahrenheit minus 32) times 5 divided by 9 | back 18 14 |
front 19 Convert 56 degrees Celsius to Fahrenheit. Do not type units with your answer. Temperature in Fahrenheit = 1.8 times Temperature in Celsius + 32 | back 19 133 |
front 20 Convert 328 Kelvin to Celsius. Do not type units with your answer. Temperature in Celsius = Temperature in Kelvin - 273 | back 20 55.0 |
front 21 An unknown liquid has a density of 1.20 g/mL and a volume of 6.40 mL. What is the mass of the liquid? | back 21 7.68 |
front 22 An irregularly shaped solid weighing 13.34 grams is immersed in water. The water level changes from 15.5 mL without the solid to 26.2 mL after the solid is added. Find the density. Do not type units in your answer. | back 22 1.2 |