44 : The R.M.S. velocity of oxygen molecules at 0°C is 460.9 m/s. Find the R.M.S. velocity of hydrogen molecules at the same temperature. The molecular weights of oxygen and hydrogen are 32 and 2 respectively.
Q: QUESTION 3 If the molecules in a gas are nitrogen (N>) molecu Hint: You will need to calculate the…
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Q: 1. An ideal gas at 20.00C and pressure 1.50x105 Pa is in a container having a volume of 1 litter. a)…
A: Solution:-Given thatInitial temperature (T1)=20°C=20+273=293 KInitial pressure (P1)=1.5×105…
Q: 2.) The escape velocity of any object from Earth is 11.1 km/s. At what temperature would oxygen…
A: THE VALVES PROVIDED IN THE QUESTION ARE AS FOLLOWS- υrms = 11.1 kms=11.1 ×103ms MO2=…
Q: 17. Estimate the mean free path of air molecules at STP, standard temperature and pressure (0°C, 1…
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Q: If the average kinetic energy of the molecules in a mole of N2O gas (nitrous oxide, aka "laughing…
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Q: What is the RMS speed (in m/s) of a gas molecule, with mass 4.67x10-26 kg at a temperature of 68…
A: RMS speed is given by: Vrms = sqrt (3RT/M) Vrms = root mean square velocity of gas molecules = ?…
Q: 8. A rigid tank contains 73.5 g of chlorine gas (Cl2) at a temperature of 74 °C and an absolute…
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Q: k from question 1 t
A: GivenT1=21°C=21+273=294 KP1=128 kPa=128×103 PaT2=55°C=55+273=328 K
Q: 24. If the pressure is tripled but the temperature is held constant, what will the volume of the…
A: According to Boyle's law at constant temperature pressure of a gas is inversely proportional to the…
Q: What is the rms speed of air molecules (O2 and N2) at room temperature (20°C)?
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Q: Determine the speed of a certain molecule whose mass is 6.13 × 10^−26 kg. The kinetic energy of that…
A: Write the given values with the suitable variables. m=6.13×10-26 kgK=6.13×10-21 J Here, m is the…
Q: 1. A person's lungs can hold 6.0L of air body temperature and atmospheric pressure. (a) Given that…
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Q: Q9. The temperature of a 1 km long copper wire has been increased by 50° C, then its length will be…
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Q: 2. Specify the base pressure and base temperature conditions in natural gas in USC system and SI…
A: USC system Base pressure = 14.696 psia Base temperature = 518.67°R
Q: 6) The absolute temperature of an ideal gas is directly proportional to which of the following…
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Q: 3. A 2 liter sample of nitrogen gas is held at a pressure of 1 atm and 0°C. How many moles of…
A: We can use the Ideal Gas Law to calculate the number of moles of nitrogen molecules in the sample:…
Q: 4. Large helium-filled balloons are used to lift scientific equipment to high altitude. What is the…
A: Helium is an ideal gas. The ideal gas equation is given as,
Q: 50. If the average kinetic energy of the molecules in an ideal gas at a temperature of 300 K is E,…
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Q: An expensive vacuum system can achieve a pressure as low as 1 × 10-N/m² at 20 °C. How many atoms are…
A: Given data: Pressure P=1×10-7 N/m2 Temperature T = 20oC Volume V = 1 cm3
Q: A certain quantity of hydrogen occupies a volume of 1000 cm' at 0 °C and ordinary atmospheric…
A: The given values are, V1=1000 cm3P1=PP2=3PT1=T2=0° C
Q: Find Vrms for nitric oxide gas (NO) at 16°C. 8. 555.6 m/s 534.9 m/s 424.7 m/s A. B. C. 1--1 8 16.00…
A: Dear student, Since both questions are different as per guidelines we can author only first one…
Q: 009 Three liquids are at temperatures of 14 ◦C, 25◦C, and 33◦C, respectively. Equal masses of the…
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Q: 2. For T = 300 K, calculate the pressure (in bars) at which the mean free path of a hydrogen…
A: Given: T = 300k σ = 2.3 x 10-19 m2 formula: λ = 1/(√2 x π x σ2 x N*) N* = 1/(√2 x π x σ2 x λ) N* =…
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- 4. An ideal gas is contained in a vessel of volume 12 L (12 liters) at a temperature of 20 °C and a pressure of 9 atm. a) How many moles of gas are in the vessel? b) How many molecules of gas are in the vessel?Which of the following statements is not true according to kinetic theory? a. The molecules in an ideal gas undergo elastic collisions. b. The molecules in an ideal gas only interact during collisions. c. Electrical attractions and repulsions between the molecules must be accounted for in the total energy of the ideal gas. d. The average energy of a molecule in an ideal gas is evenly distributed between the different degrees of freedom of the molecule. e. The energy of an ideal gas only depends on the kinetic energy of the gas.3. If the temperature of an ideal gas is raised from 30 °C to 210 °C, how many times faster is the new average (ms) speed of the gas molecules? times
- 22. CD A tank contains 0.85 mol of molecular nitrogen (N,). Determine the mass (in grams) of nitrogen that must be removed from the tank in order to lower the pressure from 38 to 25 atm. Assume that the volume and temperature of the nitrogen in the tank do not change.1. If two thermometers, one reading oc and the other K, are inserted in the same system, under what circumstance will they both have the same numerical reading? What will be the system's temperature when the absolute thermometer reads twice the numerical reading of the Celsius thermometer?D. 0.2971_kg/mol B. 0.3026_kg/mol 0.0834 kg/mol E. 0.09617 kg/mol C. F. 0.1538_kg/mol 1--1 What is the average kinetic energy of a molecule of oxygen gas (0₂) at a temperature of -25°C? 8 O 16.00 3. 5.061E-21 J D. 6.398E-21 J 5.041E-21 J 5.137E-21 J E. 4.368E-21 J F. 5.862E-21 J [carpet-5] A. B. C. 1--1
- 1. An ideal gas is at a temperature of 350 K. To double the rms speed of its molecules, what does the temperature need to be changed to? K T=#101. For nitrogen at 283 K find, a) The most probable speed ✔m/s b) The average speed m/s c) The rms speed m/s The molar mass of nitrogen is 14.0 g/mol and R= 8.31 kg/(mol K) Hint: You need to convert quantities into SI units.
- 7. The average kinetic energy of the molecules in an ideal gas increase with the volume remaining constant. Which of these statements must be true? a. both the pressure and the temperature increase b. the number density decreases c. the temperature increases, and the pressure stays the same. d. the pressure increases, and the temperature stays the same1. Suppose the amount of air in a person's lungs is 2.2 L, Calculate the number of moles of air molecules in the person’s lungs when the pressure there is atmospheric pressure. Note that the air is at 37.0°C (body temperature). 2. An expensive vacuum system can achieve a pressure as low as 1.05 × 10-7 Pa at 20°C, How many atoms are there in a cubic centimeter at this pressure and temperature?1. An expensive vacuum system can achieve a pressure as low as 1.83 ✕ 10−7 N/m2 at 26°C. How many atoms are there in a cubic centimeter at this pressure and temperature? 2. The number of kilocalories in food is determined by calorimetry techniques in which the food is burned and the amount of heat transfer is measured. How many kilocalories per gram are there in a 4.80 g peanut if the energy from burning it is transferred to 0.600 kg of water held in a 0.130 kg aluminum cup, causing a 44.0°C temperature increase?