Integrated Science
7th Edition
ISBN: 9780077862602
Author: Tillery, Bill W.
Publisher: Mcgraw-hill,
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Chapter 10.2, Problem 1SC
To determine
The temperature at which water has the greatest density.
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The density of air at 20 degree celcius is 1.204 kg/m3. The density at temperature 100 degree celcius is 0.9467 kg/m3. If an average size hot air balloon envelopes a volume of 2200 m3, how much weight can it lift (including the balloon itself)?
a. 5.55 kN
b. 11.1 kN
c. 20.4 kN
d. 26.0 kN
If two small beakers of water, one at 70°C and one at 80°C, are emptied into a large beaker, what is the final temperature of the water?
A. The final temperature is greater than 80°C.
B. The water temperature will fluctuate
C. The final temperature is less than 70°C.
D. The final temperature is between 70°C and 80°C.
A brass rod is 0.5 m long at 20°c. What is the final
length of the rod if it is heated to 50°c?
a. 50.00258 cm
b. 50.852 cm
C. 50.285 cm
d. 50.0285 cm
Chapter 10 Solutions
Integrated Science
Ch. 10.2 - Prob. 1SCCh. 10.2 - Prob. 2SCCh. 10.2 - Prob. 3SCCh. 10.2 - Prob. 4SCCh. 10.3 - Prob. 5SCCh. 10.4 - Prob. 6SCCh. 10.4 - Prob. 7SCCh. 10.4 - Prob. 8SCCh. 10.4 - Prob. 9SCCh. 10.4 - Prob. 10SC
Ch. 10.4 - Prob. 11SCCh. 10.4 - Prob. 12SCCh. 10 - Prob. 1CQCh. 10 - Prob. 2CQCh. 10 - Prob. 3CQCh. 10 - Prob. 4CQCh. 10 - Prob. 5CQCh. 10 - Prob. 6CQCh. 10 - According to the definition of an acid and the...Ch. 10 - Prob. 8CQCh. 10 - Prob. 9CQCh. 10 - Prob. 10CQCh. 10 - Prob. 11CQCh. 10 - Prob. 12CQCh. 10 - Prob. 13CQCh. 10 - Prob. 14CQCh. 10 - Prob. 15CQCh. 10 - Prob. 16CQCh. 10 - Prob. 1PEACh. 10 - Prob. 2PEACh. 10 - Prob. 3PEACh. 10 - Prob. 4PEACh. 10 - According to figure 10.4, the density of 10C water...Ch. 10 - Prob. 2PEBCh. 10 - Prob. 3PEBCh. 10 - Prob. 4PEB
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- The density of a fixed amount of gas is greatest at: A. SATP B. STP C. 1 bar and 0 degree Celsius D. 1 atm and 25 degree Celsiusarrow_forwardAn ideal gas in a closed container of constant volume is warmed until its pressure doubles. The gas is initially at 100°C. What is its final temperature? a. 323°C b. 187°C c. 473°C d. 200°Carrow_forwardWater has a density of 1.0 g/cm3 at room temperature. State whether each of the following will sink or float when placed in water.a. Paraffin wax (density 5 0.90 g/cm3)b. Limestone (density 5 2.8 g/cm3) Air has a density of 1.29 g/L at room temperature. State whether each of the following will rise or sink in air.a. Helium gas (density 5 0.18 g/L)b. Argon gas (density 5 1.78 g/Larrow_forward
- A 2 m3 air tank has an initial pressure of 200 kpa and 45°C. After 2 kg of air is used, the temperature drops to 35°C. What is the final pressure? A. 156.23 kpa B. 134.78 kpa C. 167.45 kpa D. 105.31 kpaarrow_forwardThree identical beakers each hold 1000 g of water at 20°C. 100 g of liquid water at 0°C is added to the first beaker, 100 g of ice at 0°C is added to the second beaker, and the third beaker gets 100 g of aluminum at 0°C. The contents of which container end up at the lowest final temperature?A. The first beaker.B. The second beaker.C. The third beaker.D. All end up at the same temperature.arrow_forwardA glass vessel is filled with exactly 1 liter of turpentine at 20°C. What volume of the liquid will overflow if the temperature is raised to 86°C. βturpentine= 97 × 10^-5/°C αglass= 9 × 10^-6/°C A. 62.24cm^3 B. 6.224ml C. 622.4ml D. 0.6224cm^3arrow_forward
- At what temperature is the Celsius scale reading equal to twice the Fahrenheit scale reading? a. -12.3°F b. -24.6°F C. 12.3°C d.-6.1°Carrow_forwardThe temperature on Celsius scale is 25°C. What is the corresponding temperature on the Fahrenheit Scale? O a. 40°F O b. 45°F O c. 50°F O d. 77°Farrow_forward1. A cup of coffee at boiling point temperature is brought to a room at 20°C. After five minutes, the temperature of coffee drops to half of its original temperature. Find the time it takes for the cup of coffee to cool down at a. 30°C. b. 25°C.arrow_forward
- A needle was place on a water surface at 20°C. If the weight of the needle is 4.368 x 10-3 N, what minimum length of needle is needed for it to rest on the surface?A. 30 mm C. 90 mmB. 60 mm D. 120 mmarrow_forward4. For a certain ideal gas R = 25.8 ft.lb /lb °R and k =1.09 a. What are the values of cp and cv? b. What mass of this gas would occupy a volume of 15 cu ft at 75 psia and 80 °F? C. If 30 Btu are transferred to this gas at constant volume in (b), what are the resulting temperature and pressure?arrow_forwardHow will the average kinetic energy of a gas molecule change if its temperature is increased from 20ºC to 313ºC? a. It will become sixteen times its original value. b. It will become four times its original value c. It will become double its original value d. It will remain unchanged.arrow_forward
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