What is the temp in Kelvin scale for 120 mols of a gas are contained in...
What is the temp in Kelvin scale for 120 mols of a gas are contained in a scuba diver’s 12.6-L tank filled at 3422 psi pressure? (PV =n RT) A. 273 K B. 450 K C. 298 K D. 200 K E. 340 K C. D.
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What is the temp in Kelvin scale for 120 mols of a gas are
contained in...
2. How many moles of gas are contained in a scuba diver's 12.6-L tank filled with...
2. How many moles of gas are contained in a scuba diver's 12.6-L tank filled with 3422 psi of air А) 1760 moles B) 2.10x10' moles C) 120. moles D) 1430 moles at 25 °C? (1 atm - 14.7 psi) Answer
23) What temperature scale is used in gas law calculations? A) Fahrenheit B) Celsius C) Kelvin...
23) What temperature scale is used in gas law calculations? A) Fahrenheit B) Celsius C) Kelvin D) either Celsius or Fahrenheit E) either Celsius or Kelvin 24) At STP, temperature and pressure have the values of A) O K and I atm B) 273 K and I mmHg C) 273 K and 760 mmHg D) O K and 760 mmHg E) 760 K and 25) At STP, how many moles of helium would occupy 1.00 L? A) 2.24 moles B)...
Language: Python The ideal gas law is a mathematical approximation of the behavior of gasses as...
Language: Python The ideal gas law is a mathematical approximation of the behavior of gasses as pressure, volume, and temperature change. It is usually stated as: PV = nRT where P is the pressure in pascals, V is the volume in liters, n is the amount of substance in moles, R is the ideal gas content, equal to 8.314 (J/mol K), and T is the temperature in degrees kelvin. Write a program that computes the amount of gas in moles...
Almost all gaseous systems that we use are gas mixtures, air is the most obvious example....
Almost all gaseous systems that we use are gas mixtures, air is the most obvious example. Air is composed of 78% nitrogen, 20% oxygen, 1 % argon, 1% water vapor, 0.3% carbon dioxide. Chemists often express the composition of a gas not with percent, but with a fraction. The mole fraction of nitrogen,ΧN2 , in air is defined as ΧN2= nN2 ⁄ nTotal = 0.78 The pressure of a gas mixture is the sum of the partial pressures of each...
The temperature used in the ideal gas law must be expressed in a. Celsius b. Fahrenheit...
The temperature used in the ideal gas law must be expressed in a. Celsius b. Fahrenheit c. Kelvin d. Pascale e. Any of the above 680 Fahrenheit is equivalent to a. 273 Kelvin b. 298 Kelvin c. 0 Celsius d. 212° Fahrenheit e. None of the above Which has more mass, a mole of Nitrogen and a mole of Hydrogen a. 1. 2. 3. Nitroger b. Hydrogen c. Both have same mass d. Neither has any mass 4. Two identical...
6. According to this experiment, what should happen to the pressure of a gas if the Kelvin temperature is doubled?...
6. According to this experiment, what should happen to the pressure of a gas if the Kelvin temperature is doubled? Check this assumption by finding the pressure at -73°C (200 K) and at 127°C (400 K) on your graph of pressure versus temperature. How do these two pressure values compare? DATA AND CALCULATIONS Pressure (kPa) 106.72 em Tom Temperature ("C) 22.1°C 13°C 62.26 81.5°C Temperature (K) 295.258 286.15k 335.35 354.65k 101.00 120.52 135.68 Constant, (P/T or P-T) 0. 36 0....
QUESTION 2 What amount (in moles) of a gas is contained in 40.4 L at-82.4 °C...
QUESTION 2 What amount (in moles) of a gas is contained in 40.4 L at-82.4 °C with a pressure of 527.4 mm Hg? QUESTION 3 A flask is filled with 1.03 moles of a gas at 13.4 K and 618.9 mm Hg. The flask is then opened and an additional 1.84 moles are added. The temperature of the flask is then changed to 172.9 K. What is the pressure (in atm) of the flask under these final conditions? QUESTION 4...
1. If a gas occupies 2 L at 3 atm, how many liters will it occupy at...
1. If a gas occupies 2 L at 3 atm, how many liters will it occupy at 6 atm if the temperature is not changed? a)1L b)2L c)3L d)4L 2. IF A GAS OCCUPIES 2 L AT 273 °C, WHAT IS THE VOLUME AT 0 °C IF THE PRESSURE DOES NOT CHANGE? a)0.5 L b)1 L c)2 L d)4 L 3. If a gas occupies 5 L at 298 K, what temperature is needed to reduce the volume to 2 L...
10.0 L of an ideal diatomic gas at 1.00 atm and 200 K are contained in...
10.0 L of an ideal diatomic gas at 1.00 atm and 200 K are contained in a cylinder with a piston. The gas first expands isobarically to 30.0 L (step 1). It then contracts adiabatically back to its original volume (step 2), and then cools isochorically back to its original pressure (step 3). a) Show the series of processes on a pV diagram. b) Calculate the temperature, pressure, and volume of the system at the end of each step in...
5) The recommended air pressure for a particular brand of tire is 32 psi. What is...
5) The recommended air pressure for a particular brand of tire is 32 psi. What is this pressure in atmospheres? A) 47 B) 470 C) 2.2 D) 0.46 E) 24 6) A bal L. What would be the volume of this balloon, in L, if it were taken to sea level? loon of helium on a mountain where the pressure is 695 mm Hg occupies a volume of 1.75 A) 1.75 B) 1.60 C) 0.00 D) 1.91 E) There is...
2. How many moles of gas are contained in a scuba diver's 12.6-L tank filled with 3422 psi of air А) 1760 moles B) 2.10x10' moles C) 120. moles D) 1430 moles at 25 °C? (1 atm - 14.7 psi) Answer
23) What temperature scale is used in gas law calculations? A) Fahrenheit B) Celsius C) Kelvin D) either Celsius or Fahrenheit E) either Celsius or Kelvin 24) At STP, temperature and pressure have the values of A) O K and I atm B) 273 K and I mmHg C) 273 K and 760 mmHg D) O K and 760 mmHg E) 760 K and 25) At STP, how many moles of helium would occupy 1.00 L? A) 2.24 moles B)...
The temperature used in the ideal gas law must be expressed in a. Celsius b. Fahrenheit c. Kelvin d. Pascale e. Any of the above 680 Fahrenheit is equivalent to a. 273 Kelvin b. 298 Kelvin c. 0 Celsius d. 212° Fahrenheit e. None of the above Which has more mass, a mole of Nitrogen and a mole of Hydrogen a. 1. 2. 3. Nitroger b. Hydrogen c. Both have same mass d. Neither has any mass 4. Two identical...
6. According to this experiment, what should happen to the pressure of a gas if the Kelvin temperature is doubled? Check this assumption by finding the pressure at -73°C (200 K) and at 127°C (400 K) on your graph of pressure versus temperature. How do these two pressure values compare? DATA AND CALCULATIONS Pressure (kPa) 106.72 em Tom Temperature ("C) 22.1°C 13°C 62.26 81.5°C Temperature (K) 295.258 286.15k 335.35 354.65k 101.00 120.52 135.68 Constant, (P/T or P-T) 0. 36 0....
QUESTION 2 What amount (in moles) of a gas is contained in 40.4 L at-82.4 °C with a pressure of 527.4 mm Hg? QUESTION 3 A flask is filled with 1.03 moles of a gas at 13.4 K and 618.9 mm Hg. The flask is then opened and an additional 1.84 moles are added. The temperature of the flask is then changed to 172.9 K. What is the pressure (in atm) of the flask under these final conditions? QUESTION 4...
10.0 L of an ideal diatomic gas at 1.00 atm and 200 K are contained in a cylinder with a piston. The gas first expands isobarically to 30.0 L (step 1). It then contracts adiabatically back to its original volume (step 2), and then cools isochorically back to its original pressure (step 3). a) Show the series of processes on a pV diagram. b) Calculate the temperature, pressure, and volume of the system at the end of each step in...
5) The recommended air pressure for a particular brand of tire is 32 psi. What is this pressure in atmospheres? A) 47 B) 470 C) 2.2 D) 0.46 E) 24 6) A bal L. What would be the volume of this balloon, in L, if it were taken to sea level? loon of helium on a mountain where the pressure is 695 mm Hg occupies a volume of 1.75 A) 1.75 B) 1.60 C) 0.00 D) 1.91 E) There is...
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