Ethanol has a density of 800 kg/m³ at 0°C and an average coefficient of volume expansion of 1.09 x 10-³(°C)-¹. Imagine you are pumping ethanol into avehicle's fuel tank. How many extra kilograms of ethanol would you receive if you bought 10.2 gal of ethanol at 0°C rather than at 24.8°C from a pump that isnot temperature compensated? Note that 1 gallon is 3.7854 x 10-³ m³. (Include the sign of the value in your answer.)kg

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Answered: Ethanol has a density of 800 kg/m³ at…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter16: Temperature And The Kinetic Theory Of Gases

Section: Chapter Questions

Problem 18P

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(a) Find the density in SI units of air at a pressure of 1.00 atm and a temperature of 20 , assuming that air is 78% N2, 21% O2, and 1% Ar, (b) Find the density of the atmosphere on Venus, assuming that it's 96% CO2 and 4% N2, with a temperature of 737 K and a pressure of 92.0 atm.
A construction worker uses a steel tape to measure the length of an aluminum support column. If the measured length is 18.700 m when the temperature is 21.2C, what is the measured length when the temperature rises to 29.4C? Note: Dont neglect the expansion of the tape.
Two cylinders A and B at the same temperature contain the same quantity of the same kind of gas. Cylinder A has three times the volume of cylinder B. What can you conclude about the pressures the gases exert? (a) We can conclude nothing about the pressures. (b) The pressure in A is three times the pressure in B. (c) The pressures must be equal. (d) The pressure in A must be one-third the pressure in B.
Assuming the human body is primarily made of water, estimate the number of molecules in it. (Note that water has a molecular mass of 18 g/mol and there are roughly 1024 atoms in a mole)
A construction worker uses a steel tape to measure the length of an aluminum support column. If the measured length is 18.700 m when the temperature is 21.2C, what is the measured length when the temperature rises to 29.4C? Note: Dont neglect the expansion of the tape.
Most automobiles have a coolant reservoir to catch radiator fluid than may overflow when 1he engine is hot. A radiator is made of copper and is filled to its 16.0L capacity when at 10.0C. What volume of radiator fluid will overflow when the radiator and fluid reach their 95.0C operating temperature, given that the fluid’s volume coefficient of expansion is =400106/C ? Note that this coefficient is approximate, because most car radiators have operating temperatures of greater than 95.0C.
One easy way to reduce heating (and cooling) costs is to add extra insulation in the attic of a house. Suppose a single-story cubical house already had 15 cm of fiberglass insulation in the attic and in all the exterior surfaces. If you added an extra 8.0 cm of fiberglass to the attic, by what percentage would the heating cost of the house drop? Take the house to have dimensions 10 m by 15 m by 3.0 m. Ignore air infiltration and heat loss through windows and doors, and assume that the interior is uniformly at one temperature and the exterior is uniformly at another.
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The density or gasoline is 7.30 102 kg/m3 at 0C. Its average coefficient of volume expansion is 9.60 104(C)1 and note that 1.00 gal = 0.003 80 m3. (a) Calculate the mass of 10.0 gal of gas at 0C. (b) If 1.000 m3 of gasoline at 0C is warmed by 20.0C, calculate its new volume. (c) Using the answer to part (b), calculate the density of gasoline at 20.0C. (d) Calculate the mass of 10.0 gal of gas at 20.0C. (e) How many extra kilograms of gasoline would you get if you bought 10.0 gal of gasoline at 0C rather than at 20.0C from a pump that is not temperature compensated?
Which of the assumptions below is not made in the kinetic theory of gases? (a) The number of molecules is very large. (b) The molecules obey Newtons laws of motion. (c) The forces between molecules are long range. (d) The gas is a pure substance. (e) The average separation between molecules is large compared to their dimensions. (f) of (his account are correct statements necessary for a clear and complete explanation? (ii) Which are correct statements that are not necessary to account for the higher thermometer reading? (iii) Which are incorrect statements?
The density of lead is 1.13 x 104 kg/m3 at 20.0°C. Find its density (in kg/m³) at 118°C. (Use a = 29 × 10-6 (°C)-1 for the coefficient of linear expansion. Give your answer to at least four significant figures.) HINT 1.12 kg/m3 Need Help? Read It Watch It S. 93% 4 A O E a 4 7:45 PM 12/4/2021 55°F
The density of gasoline is 7.30 x 102 kg/m3 at 0°C. Its average coefficient of volume expansion is 9.60 x 10-4 (°C)-1, and note that 1.00 gal = 0.00380 m3. (a) Calculate the mass of 11.2 gal of gas at 0°C. (Give your answer to at least two decimal places.) 31.06 X kg (b) If 1.000 m3 of gasoline at 0°C is warmed by 20.2°C, calculate its new volume. (Give your answer to at least two decimal places.) 8605 Your response differs from the correct answer by more than 10%. Double check your calculations. m3 (c) Using the answer to part (b), calculate the density of gasoline at 20.2°C. (Give your answer to at least three significant figures.) 846.34 Your response differs from the correct answer by more than 10%. Double check your calculations. kg/m3 (d) Calculate the mass of 11.2 gal of gas at 20.2°C. (Give your answer to at least two decimal places.) 36.02 Your response differs from the correct answer by more than 10%. Double check your calculations. kg (e) How many extra kilograms of gasoline…

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