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1.77 An Olympic-size pool is 50.0 m long and 25.0 m wide. (a) How many gallons of water (d = 1.0 g/mL) are needed to fill the pool to an average depth of 4.8 ft? (b) What is the mass (in kg) of water in the pool?

1.77 An Olympic-size pool is 50.0 m long and 25.0 m wide. (a) How many gallons of water (d = 1.0 g/mL) are needed to fill the pool to an average depth of 4.8 ft? (b) What is the mass (in kg) of water in the pool?

General Chemistry - Standalone book (MindTap Course List)
General Chemistry - Standalone book (MindTap Course List)
11th Edition
ISBN:9781305580343
Author:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Publisher:Steven D. Gammon, Ebbing, Darrell Ebbing, Steven D., Darrell; Gammon, Darrell Ebbing; Steven D. Gammon, Darrell D.; Gammon, Ebbing; Steven D. Gammon; Darrell
Chapter6: Thermochemisty
Section: Chapter Questions
Problem 6.159QP: The carbon dioxide exhaled in the breath of astronauts is often removed from the spacecraft by...
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273 K (a) How many different chemical changes occur? (b) How many different physical changes occur? 1.76 Bromine is used to prepare the pesticide methyl bromide and flame retardants for plastic electronic housings. It is recovered from seawater, underground brines, and the Dead Sea. The aver- age concentrations of bromine in seawater (d = 1.024 g/mL) and the Dead Sea (d=1.22 g/mL) are 0.065 g/L and 0.50 g/L, respec- tively. What is the mass ratio of bromine in the Dead Sea to that in er equipment he balance is agh to distin- p-acid powder Ley weigh the hree trials are seawater? 1.77 An Olympic-size pool is 50.0 m long and 25.0 m wide. (a) How many gallons of water (d = 1.0 g/mL) are needed to fill the pool to an average depth of 4.8 ft? (b) What is the mass (in kg) of water in the pool? og data, and tell viations of each data is the most 1.78 At room temperature (20°C) and pressure, the density of air is 1.189 g/L. An object will float in air if its density is less than that of air. In a buoyancy experiment with a new plastic, a chemist creates a rigid, thin-walled ball that weighs 0.12 g and has a vol- ume of 560 cm³. (a) Will the ball float if it is evacuated? (b) Will it float if filled with carbon dioxide (d= 1.830 g/L)? (c) Will it float if filled with hydrogen (d = 0.0899 g/L)? (d) Will it float if filled with oxygen (d = 1.330 g/L)? (e) Will it float if filled with nitrogen (d = 1.165 g/L)? (f) For any case in which the ball will float, how much weight must be added to make it sink? e and the most te and the least s of errors often the actual value, 1.79 Asbestos is a fibrous silicate mineral with remarkably high tensile strength. But it is no longer used because airborne asbestos particles can cause lung cancer. Grunerite, a type of asbestos, has a tensile strength of 3.5x102 kg/mm? (thus, a strand of grunerite with a 1-mm2 cross-sectional area can hold up to 3.5x102 kg). The tensile strengths of aluminum and Steel No. 5137 are 2.5x10* lb/in and 5.0x10 lb/in?, respectively. Calculate the cross-sectional areas (in mm) of wires of aluminum and of Steel No. 5137 that have the same tensile strength as a fiber of grunerite with a cross- sectional area of 1.0 µm?. Exp. IV cult? 1? or? below. Beneath Draw the objects potential energy 1.80 Earth's oceans have an average depth of 3800 m, a total sur- face area of 3.63×10® km², and an average concentration of dis- solved gold of 5.8×10-9 g/L. (a) How many grams of gold are in the oceans? (b) How many cubic meters of gold are in the oceans? (c) Assuming the price of gold is $1595/troy oz, what is the value of gold in the oceans (1 troy oz = 31.1 g; d of gold =19.3 g/cm³)? 1.81 Brass is an alloy of copper and zinc. Varying the mass per- centages of the two metals produces brasses with different proper- ties. A brass called yellow zinc has high ductility and strength and is 34-37% zinc by mass. (a) Find the mass range (in g) of copper in 185 yen e) a nbuical change? he ma ranre (in ) of ine inc: Cb What i
Transcribed Image Text:273 K (a) How many different chemical changes occur? (b) How many different physical changes occur? 1.76 Bromine is used to prepare the pesticide methyl bromide and flame retardants for plastic electronic housings. It is recovered from seawater, underground brines, and the Dead Sea. The aver- age concentrations of bromine in seawater (d = 1.024 g/mL) and the Dead Sea (d=1.22 g/mL) are 0.065 g/L and 0.50 g/L, respec- tively. What is the mass ratio of bromine in the Dead Sea to that in er equipment he balance is agh to distin- p-acid powder Ley weigh the hree trials are seawater? 1.77 An Olympic-size pool is 50.0 m long and 25.0 m wide. (a) How many gallons of water (d = 1.0 g/mL) are needed to fill the pool to an average depth of 4.8 ft? (b) What is the mass (in kg) of water in the pool? og data, and tell viations of each data is the most 1.78 At room temperature (20°C) and pressure, the density of air is 1.189 g/L. An object will float in air if its density is less than that of air. In a buoyancy experiment with a new plastic, a chemist creates a rigid, thin-walled ball that weighs 0.12 g and has a vol- ume of 560 cm³. (a) Will the ball float if it is evacuated? (b) Will it float if filled with carbon dioxide (d= 1.830 g/L)? (c) Will it float if filled with hydrogen (d = 0.0899 g/L)? (d) Will it float if filled with oxygen (d = 1.330 g/L)? (e) Will it float if filled with nitrogen (d = 1.165 g/L)? (f) For any case in which the ball will float, how much weight must be added to make it sink? e and the most te and the least s of errors often the actual value, 1.79 Asbestos is a fibrous silicate mineral with remarkably high tensile strength. But it is no longer used because airborne asbestos particles can cause lung cancer. Grunerite, a type of asbestos, has a tensile strength of 3.5x102 kg/mm? (thus, a strand of grunerite with a 1-mm2 cross-sectional area can hold up to 3.5x102 kg). The tensile strengths of aluminum and Steel No. 5137 are 2.5x10* lb/in and 5.0x10 lb/in?, respectively. Calculate the cross-sectional areas (in mm) of wires of aluminum and of Steel No. 5137 that have the same tensile strength as a fiber of grunerite with a cross- sectional area of 1.0 µm?. Exp. IV cult? 1? or? below. Beneath Draw the objects potential energy 1.80 Earth's oceans have an average depth of 3800 m, a total sur- face area of 3.63×10® km², and an average concentration of dis- solved gold of 5.8×10-9 g/L. (a) How many grams of gold are in the oceans? (b) How many cubic meters of gold are in the oceans? (c) Assuming the price of gold is $1595/troy oz, what is the value of gold in the oceans (1 troy oz = 31.1 g; d of gold =19.3 g/cm³)? 1.81 Brass is an alloy of copper and zinc. Varying the mass per- centages of the two metals produces brasses with different proper- ties. A brass called yellow zinc has high ductility and strength and is 34-37% zinc by mass. (a) Find the mass range (in g) of copper in 185 yen e) a nbuical change? he ma ranre (in ) of ine inc: Cb What i
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