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Chemistry
10th Edition
ISBN: 9781305957404
Author: Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher: Cengage Learning
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(1) A rectangular block of wood has the following dimensions: 10.0 cm x 5.00 cm x 4.00 cm. The block weight 100 g. What is the density of the block of wood?
(2) What is the mass of a 400-mL sample of ethyl alcohol if its density is 0.8 g/mL?
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- The world’s oceans have a combined volume of 3.204 x 10^8 miles^3. (A) If the average density of ocean water is 1.029 g/mL, what is the combined mass of the world’s oceans?arrow_forwardA chemist mixes two liquids, A and B, to form a homogeneous mixture. The densities of the liquids are 2.0514 g/mL for A and 2.6678 g/mL for B. When she drops a small object into the mixture, she finds that the object becomes suspended in the liquid; that is, it neither sinks nor floats. If the mixture is made of 41.37 percent A and 58.63 percent B by volume, what is the density of the metal? Group of answer choices 2.413 g/mL 1.753 g/mL 2.691 g/mL 2.015 g/mL 1.913 g/mLarrow_forwardCalculate these masses.(a) What is the mass of 6.00 cm 3 of sodium, density = 0.97 g/cm 3 ?(b) What is the mass of 155 mL gaseous chlorine, density = 3.16 g/L?arrow_forward
- 2. Carry out the following operations and express the answer with the appropriate number of significant figures and units: (a) (5.231 mm)(6.1 mm), (b) 72.3 g/1.5 mL, (c) 12.21 g+0.0132 g, and (d) 31.03 g+ 12 mg.arrow_forwardIn the opening scene of the movie Raiders of the Lost Ark, Indiana Jones tries to remove a gold idol from a booby-trapped pedestal. He replaces a gold (D = 19.32 g/cm²³) idol of dimensions 5.0 inches by 5.0 inches by 5.0 inches with a bag of sand of approximately double the volume with sand (D = 3.65 g/cm³). Is the bag of sand really equal to the gold idol or will Dr. Jones set off the trap? Explain your answer and include a mathematical explanation. ML Cm3arrow_forward2. You purchase a rectangular piece of metal that has dimensions 5.0 X 15.0 X 30.0 mm and mass 43.43 g. The seller tells you that the metal is gold. To check this, you compute the average density of the piece. What value do you get? Were you cheated?arrow_forward
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