Density by. Density is _______per unit _______ of a material D = m ÷___ m = ___x___ v = m ÷ ____ D = _____ g/mL or g/cm 3 m = ____in grams L = length.

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Presentation transcript:

Density by

Density is _______per unit _______ of a material D = m ÷___ m = ___x___ v = m ÷ ____ D = _____ g/mL or g/cm 3 m = ____in grams L = length in ______ v = volume in mL or cm 3

1. What is the density of carbon dioxide if g occupies a volume of 100 mL? ANSWER: ______________________

2. A block of wood 3.0 cm on each side has a mass of 27 g. What is the density of the block? ANSWER: ______________________

3. An irregularly shaped stone was lowered into a graduated cylinder holding a volume of water equal to 2.0 mL. The height of the water rose to 7.0 mL. If the mass of the stone was 25 g, what was its density? ANSWER: ______________________

4. A 10.0 cm 3 sample of copper has a mass of 89.6 g. What is the density of copper? ANSWER: ______________________

5. Silver has a density of 10.5 g/cm 3 and gold has a density of 19.3 g/cm 3. Which would have a greater mass, 5 cm 3 of silver or 5cm 3 of gold? ANSWER: ______________________

6. Five mL of ethanol has a mass of 3.9 g, and 5.0 mL of benzene has a mass of 4.4 g. Which liquid is more dense? ANSWER: ______________________

7. A sample of iron has the dimensions of 2 cm x 3 cm x 2 cm. If the mass of this rectangular-shaped object is 94 g, what is the density of iron? ANSWER: ______________________