(a)
The value of absolute zero in Celsius.
(a)
Answer to Problem 6P
Explanation of Solution
Section 1:
Explanation:
To determine: The constants a and b.
Answer:
The constant (a) is
The constant (b) is 1.27 atm.
Given Info: The pressure (
Since, the volume is constant, the P-T graph is a straight line of the form,
- P is the pressure.
- T is the temperature.
- a and b are constants.
For the two sets of pressure and temperature,
From Equations (I) and (II),
Substitute 0.900 atm for
From Equation (II),
Substitute 0.900 atm for
The constant (a) is
The constant (b) is 1.27 atm.
Conclusion:
From Equation (I), the temperature is,
At absolute zero, pressure is zero.
Substitute 0 atm for P,
On Rounding off,
(b)
The pressure.
(b)
Answer to Problem 6P
Explanation of Solution
From Equation (I) of (a),
At the freezing point, temperature is zero.
Substitute
Conclusion:
The pressure is 1.27 atm.
(c)
The pressure.
(c)
Answer to Problem 6P
Explanation of Solution
From Equation (I) of (a),
At the boiling point, temperature is
Substitute
Conclusion:
The pressure is 1.74 atm.
Want to see more full solutions like this?
Chapter 10 Solutions
EBK COLLEGE PHYSICS, VOLUME 2
- The molar heat capacity at constant pressure of carbon dioxide is 29.14 J/K.mol. (a) What is the value of its molar heat capacity at constant volume? J/mol. 4 sig. (b) Calculate the change in enthalpy when 1 mole carbon dioxide is heated from 15°C (the temperature when the air is inhaled) to 37°C (blood temperature, the temperature in our lungs)? number normal format. (c) Calculate molar internal energy when carbon dioxide is heated from 19.16 °C (the temperature when the air is inhaled) to 37°C (blood temperature, the temperature in our lungs). normal format. J/mol 3 sig. number Click Save and Submit to save and submit. Click Save All Answers to save all answers. E R O El 5 G E O A J/K.mol. 4 sig. number H FO 1₂ Save All A 87°F ^!arrow_forwardA diver is at 5 meter depth in a fresh water lake. At that depth, the temperature is 15◦C. The pressure in the water at a depth d is given by p(d) = psurface + ρgd, where ρ is the liquid density, and g = 9.81m s−2is the gravitational constant.(a) The diver releases an air bubble of 1cm diameter. What is the diameter of the bubble when it reaches the surface where the temperature is 20◦C?Assume that the bubble temperature is always the same as the surroundingwater.(b) The diver stayed 1h at a 5m depth. The pressure in the diving tank went down from 250 bars to 50 bars. We assume that the volume of the lungs is 5L. Assuming that the water temperature is also 15◦C, how long could the diver have stayed underwater at 20m depth using the same amount of air?(c) The diver is at 5m depth and decides to surface. The air in the lungs is at a constant temperature of 37◦C. What fraction of the air in her/his lungs should the diver inhale/release to maintain a constant lung volume?arrow_forwardA (1.0x10^1) liter bottle is filled with nitrogen (N2) at STP (Standard Temperature and Pressure is 1 atm and 273 K) and closed tight. If the temperature is raised to 100° C, what will be the new pressure in SI units to two significant figures.arrow_forward
- 1. In a student experiment, a constant-volume gas thermometer is calibrated in dry ice (-78 °C) and in boiling ethyl alcohol (78 °C). The separate pressures are 0.900 atm and 1.635 atm. (a) What value of the absolute zero in degrees Celsius does the calibration yield? (b) What pressure would be found at the freezing point of water? (c) What pressure would be found at the boiling point of water? Hint: Use the linear relationship P = A+ BT, where A and B are constants.arrow_forwardThe vapor pressure of water at 10 °C is 1300 Pa. (a) What percentage of atmospheric pressure is this? Take atmospheric pressure to be 1.013 x 105 Pa. (b) What percentage of the total air pressure at 10 °C is due to water vapor when the relative humidity is 100%? (c) The vapor pressure of water at 30 °C is 4300 Pa. What is the relative humidity at this temperature if the partial pressure of water in the air has not changed from what it was at 10 °C when the relative humidity was 100%? (a) Percentage = Number i (b) Percentage = Number ₁ (c) Percentage = Number i Units Units Units <arrow_forwardThe pressure P (in kilopascals), volume V (in liters), and temperature T (in kelvins) of a mole of an ideal gas are related by the equation PV = 8.31T. Find the rate at which the volume is changing when the temperature is 270 K and increasing at a rate of 0.2 K/s and the pressure is 28 and increasing at a rate of 0.08 kPa/s. L/sarrow_forward
- In a student experiment, a constant-volume gas thermometer is calibrated in dry ice (–78.5°C) and in boiling ethyl alcohol (78.0°C). The separate pressures are 0.900 atm and 1.635 atm. (a) What value of absolute zero in degrees Celsius does the calibration yield? (b) What pressures would be found at (b) the freezing and (c) boiling points of water?arrow_forwardThe law of a confined ideal gas is P V = k T, where P is pressure, V is the volume, T (in Celsius) is the temperature and k > 0 is the constant. The gas is being heated at a rate of 2ºC/min and the pressure increases at a rate of 0.5 kgf/cm. minute. if in At a certain moment, the temperature is 200 degrees and the pressure is 10 kgf/cm2 , find the rate at which the volume changes for k = 8 answer:the volume describes the rate of 32/5 cm³/minarrow_forwardIn a student experiment, a constant-volume gas thermometer is calibrated in dry ice (-78.5°C) and in boiling ethyl alcohol (78.0°C). The separate pressures are 0.900 atm and 1.635 atm. (a) What value of absolute zero in degrees Celsius does the calibration yield? What pressures would be found at (b) the freezing and (c) boiling points of water? Hint : Use the linear relationship P = A + BT, where A and B are constants.arrow_forward
- Large helium-filled balloons are used to lift scientific equipment to high altitudes. (a) What is the pressure inside such a balloon if it starts out at sea level with a temperature of 10 °C and rises to an altitude where its volume is twenty times the original volume and its temperature is -40 °C? P2 = atm (b) What is the gauge pressure? (Assume atmospheric pressure is constant.) Gauge pressure: atmarrow_forwardLarge helium-filled balloons are used to lift scientific equipment to high altitudes. (a) What is the pressure inside such a balloon if it starts out at sea level with a temperature of 22.8°C and rises to an altitude where its volume is sixteen times the original volume and its temperature is – 33.7 ºC ? Enter your answer to at least 3 decimal places (b) What is the gauge pressure? (Assume atmospheric pressure is constant.) atmarrow_forwardThe pressure P (in kilopascals), volume V (in liters), and temperature T (in kelvins) of a mole of an ideal gas are related by the equation PV = 8.317. Find the rate at which the volume is changing when the temperature is 325 K and increasing at a rate of 0.05 K/s and the pressure is 29 and increasing at a rate of 0.07 kPa/s. Please show your answers to at least 4 decimal places. dV dt L/sarrow_forward
- Principles of Physics: A Calculus-Based TextPhysicsISBN:9781133104261Author:Raymond A. Serway, John W. JewettPublisher:Cengage LearningPhysics for Scientists and Engineers: Foundations...PhysicsISBN:9781133939146Author:Katz, Debora M.Publisher:Cengage Learning