Description : a gas has a pressure of 766.7 torr at a temperature of 10.0°C. the sample contains 2.35 moles of xenon. what is the volume of the gas in liters?
Last Answer : Using PV=nRT, 10.0ºC = 283.15ºK, R = 62.36 L torr/mol KV= (nRT)/PV = (2.35m*(62.36 L torr/mol K)*283.15ºK)/766.7 TorrV = 54.12 L
Description : The volume of an ideal gas is directly proportional to its a. pressure b. Celsius temperature c. Kelvin temperature d. Fahrenheit temperature
Last Answer : Kelvin temperature
Description : A cylinder contains 640 gm of liquid oxygen. The volume occupied (in litres) by the oxygen, when it is released and brought to standard conditions (0°C, 760 mm Hg) will be __________ litres. (A) 448 (B) 224 (C) 22.4 (D) Data insufficient; can't be computed
Last Answer : (A) 448
Description : A temperature scale whose zero point is absolute zero, the temperature of “0” entropy at which all molecular motion stops. a. Celsius b. Fahrenheit c. Kelvin d. Rankine
Last Answer : Kelvin
Description : Which of the following is standard temperature and pressure (STP)? A. 0 degree Celsius and one atmosphere B. 32 degree Fahrenheit and zero pressure C. 0 degree Kelvin and one atmosphere D. 0 degree Fahrenheit and zero pressure
Last Answer : 0 degree Celsius and one atmosphere
Description : What will be the pressure of a sample of 48.0 grams of oxygen gas in a glass container of volume 5.2 L at 25 degrees Celsius?
Last Answer : PV = nRTP = pressure = ?V = volume = 5.2 Ln = moles of gas = 48 g x 1 mole/32 g = 1.5 moles O2 gasR = gas constant = 0.0821 L-atm/K-moleT = temperature in K = 25 + 273 = 298 KSolving for P = nRT/V = (1.5)(0.0821)(298)/5.2P = 7.0 atm (to 2 significant figures)
Description : How many molecules of an ideal gas are there in 22.414 liters at 10 atmospheres pressure and 0 degrees C?
Last Answer : ANSWER: 6.02 x 1024 (or accept 10 x AVAGADRO'S NUMBER)
Description : A gas occupies a volume of 0.2 L at 176 mm Hg. What volume will the gas occupy at 760 mm Hg?
Last Answer : 0.05 L
Description : How is the kelvin scale different from the fahrenheit and celsius scales?
Last Answer : bru im asking yall
Description : _____________ is the base unit of thermodynamics temperature. a) Celsius b) Fahrenheit c) Kelvin d) None of the above
Description : What is the Si unit for temperature? a. Kelvin b. Celsius c. Fahrenheit d. Rankine
Description : What is the thermodynamic temperature scale in the English system? A. Kelvin scale B. Celsius scale C. Fahrenheit scale D. Rankine scale
Last Answer : Rankine scale
Description : What is the thermodynamic temperature scale in the SI system? A. Kelvin scale B. Celsius scale C. Fahrenheit scale D. Rankine scale
Last Answer : Kelvin scale
Description : The unit of temperature in S.I. units is (a) Centigrade (b) Celsius (c) Fahrenheit (d) Kelvin (e) Rankine.
Last Answer : Answer : d
Description : Zero degrees Kelvin is equal to what temperature on the Celsius scale?
Last Answer : ANSWER: - 273 DEGREES CELSIUS or -273.15 DEGREES CELSIUS
Description : What is 20 degrees Celsius in degrees Kelvin? w) 70 degrees x) 293 degees y) 100 degrees z) 212 degrees
Last Answer : ANSWER: X -- 293 DEGREES
Description : A rise in temperature of 20 Kelvin degrees is equal to a rise of: w) 20 degrees Celsius x) 36 degrees Celsius y) 68 degrees Celsius z) 293 degrees Celsius
Last Answer : ANSWER: W -- 20 DEGREES CELSIUS
Description : What is the Celsius temperature corresponding to 100 degrees Kelvin?
Last Answer : ANSWER: -173 DEGREES CELSIUS
Description : Which of the following best completes the statement: The calorie is the amount of heat needed to raise: w) 1 gram of water 1 degree Celsius x) 1 gram of water 1 degree Rankin y) 1 kilogram of water 1 degree Celsius z) 1 kilogram of water 1 degree Kelvin
Last Answer : ANSWER: W -- 1 GRAM OF WATER 1 DEGREE CELSIUS
Description : At zero degrees Celsius and one atmosphere (STP), the volume of a gas is 1,000 milliliters. If the temperature is increased to 25 degrees Celsius and the pressure is doubled, what is the new volume of the gas? w) 546 milliliters x) 500 milliliters y) 1,000 milliliters z) 273 milliliters
Last Answer : ANSWER: W -- 546 MILLILITERS
Description : A sample of grapefruit juice at 25 degrees Celsius has a hydronium concentration of 1.78 X 10-3 molar. What is the pH of the solution? w) 2.22 x) 2.75 y) 3.25 z) 6.33
Last Answer : ANSWER: X -- 2.75
Description : It is generally accepted as a law of nature that although one may closely approach 0 Kelvin it is impossible actually to reach it. a. First Law of thermodynamics b. Second Law of thermodynamics c. Third Law of thermodynamics d. Zeroth Law of thermodynamics
Last Answer : Third Law of thermodynamics
Description : At what centigrade temperature will 1 mole of a gas under 1 atmosphere of pressure occupy 22.4 liters?
Last Answer : ANSWER: ZERO DEGREES CENTIGRADE
Description : The volume (V) of a mass of gas varies directly as its absulute temperature (T) and iversely as the pressure (P) applied to it. The gas occupies a vol
Last Answer : The volume (V) of a mass of gas varies directly as its absulute temperature (T) and iversely as ... and pressure are 250 ml and 320 Pa respectively?
Description : The volume (V) of a mass of gas varies directly as its absolute temperature (T) and inversely as the pressure (P) applied to it. The gas occupies a vo
Last Answer : The volume (V) of a mass of gas varies directly as its absolute temperature (T) and inversely as ... and pressure are 200 ml and 250 Pa respectively?
Description : At 25°C and 760 mm of Hg pressure a gas occupies 600 mL volume.
Last Answer : At 25°C and 760 mm of Hg pressure a gas occupies 600 mL volume. What will be its pressure at ... temperature is 10°C and volume of the gas 640 mL ?
Description : When a gas of 3.4 moles occupies a volume of 40.6 L at 298 K what is the pressure of the gas in kPa?
Last Answer : The pressure is 207,5 kPa.
Description : According to Avogadro's law, for a given pressure and temperature, each molecule of a gas (a) occupies volume proportional to its molecular weight (b) occupies volume proportional to its specific ... (d) occupies volume inversely proportional to its specific weight (e) occupies same volume.
Last Answer : Answer : e
Description : An ideal gas as compared to a real gas at very high pressure occupies (a) more volume (b) less volume (c) same volume (d) unpredictable behaviour (e) no such correlation.
Last Answer : Answer : a
Description : What is the volume in liters of 0.75 mol of methane gas (CH4)?
Last Answer : The volume is 17 L.
Description : If 850 kg liquid occupies volume of one cubic meter, men 0.85 represents its (A) Specific weight (B) Specific mass (C) Specific gravity (D) Specific density
Last Answer : Answer: Option C
Description : The volume of a given mass of a gas at 0°C is 2 dm^3.
Last Answer : The volume of a given mass of a gas at 0°C is 2 dm3. Calculate the new volume of the gas at ... by 10°C. b. The temperature is decreased by 10°C.
Description : A gas has a volume of 27.3 c.c. at 0°C. Its volume at 10°C (if pressure remains unchanged) will be __________ c.c. (A) 2.73 (B) 28.3 (C) 273 (D) 283
Last Answer : (B) 28.3
Description : The volume of the gas held at constant pressure increases 4 cm² at 0°C to 5cm². What is the final pressure? a. 68.65ºC b. 68.25ºC c. 70.01°C d. 79.1ºC t2= T2–T1
Last Answer : 981 N
Description : Two cubic meters of a gas at 30 degrees Kelvin are heated at a constant pressure until the volume doubles. What is the final temperature of the gas?
Last Answer : 60
Description : If the volume of a gas changes by a factor of 3, with pressure remaining constant, the temperature in Kelvin will change by a factor of: w) 1/9 x) 1/3 y) 3 z) 9
Last Answer : ANSWER: Y -- 3
Description : A sample of gas has a volume of 210 cubic centimeters at a temperature of 250 degrees Kelvin. The temperature is raised to 500 degrees Kelvin while the pressure remains unchanged. What is the new volume of the gas.
Last Answer : ANSWER: 420 CUBIC CENTIMETERS
Description : I've been asked to find the temperature to which a 20.0°C gas must be raised to increase its root mean square (rms) speed by a given percentage. Is this possible without knowing the identity of the gas?
Last Answer : Pretend the gas is hydrogen. Work out the problem. Pretend the gas is oxygen. Work out the problem. Are the answers you get any different?
Description : A gas at 0 degrees C and at normal atmospheric pressure has a volume of 273 cubic centimeters. If it is held at constant pressure until its volume is doubled, its temperature will be which one of the ... it be w) 2 degrees Celsius x) 200 degrees Celsius y) 273 degrees Celsius z) 546 degrees Celsius
Last Answer : ANSWER: Y -- 273 DEGREES CELSIUS
Description : How many moles of an ideal gas will occupy a volume of 20 liters at 3.5 ATM and 280K?
Last Answer : The number of moles is 3,046.
Description : What is the final volume, in liters, of the gas when measured at 24 ∘C and 635 mmHg, when n is constant?
Last Answer : I don’t understand the question
Description : Is 6 gallons greater than 22 liters?
Last Answer : Need answer
Description : One litre of water occupies a volume of (A) 100 cm3 (B) 250 cm3 (C) 500 cm3 (D) 1000 cm3
Last Answer : Answer: Option A
Description : In which layer can air temperatures reach 1,800 degrees celsius?
Last Answer : theremosphere
Description : In 1953, Sir Edmund Hillary and Tenzing Norgay were the first people to reach the summit of Mount Everest from their last previously established camp at an altitude of 27,900 feet (barometric pressure ... degrees Celsius x) boiled at 68 degrees Celsius y) not boiled at any temperature z) sublimed
Last Answer : ANSWER: X -- BOILED AT 68 DEGREES CELSIUS
Description : A sample of NO experiences a change in pressure from 0.5734 atm to 5.1663 atm. If its new volume is 89.811 L, what was its original volume in liters ____ L?
Last Answer : 809.2(Explanation): boyle's law of PV=PV for this problem. Plug in values we know, (the pressures and new volume) to get 0.5734V=(5.1663)(89.811). Now solve for V by dividing by 0.5734 on both sides. You get 809.1917846. Round to 4 sig figs to get 809.2.
Description : An adult human lung has a volume of 2.9 liters. If its volume decreases to 1.2 liters and it contains 0.049 mole of air after it exhales, how many moles of air does it contain when full A. 0.025 mol B. 0.041 mol C. 0.083 mol D. 0.12 mol E. 0.14 mol?
Last Answer : An adult human lung has a volume of 2.9 liters. If its volume decreases to 1.2 liters and it contains 0.049 mole of air after it exhales, how many moles of air does it contain when full? A. 0.025 mol B. 0.041 mol C. 0.083 mol D. 0.12 mol E. 0.14 mol
Description : According to Kelvin-Planck's statement of second law of thermodynamics, A. it is impossible to construct an engine working on a cyclic process, whose sole purpose is to convert heat energy into work B. it ... other than the transfer of heat from a cold body to a hot body D. none of the above
Last Answer : Answer: A
Description : What happens when the temperature of water falls from 30°C and 0°C? (a) The volume of ice formed will be less than volume of water (b) The volume of ice formed will be more than the volume of water (c) Water will not freeze at 0°C (d) None of the above
Last Answer : Ans:(b)