|What will be the work done in blowing a soap bubble of radius 2 cm, the surface tension of the soap solution is 20 dynes per cm and temperature remaining constant ?
Q: (a) How many molecules are present in a sample of an ideal gas that occupies a volume of 2.70 cm³,…
A: Volume, V=2.7cm3=2.7×10-6m3 Temperature, T=20oC=(20+273)K=293K
Q: (b) What is the average kinetic energy of the helium atoms? J (c) What is the rms speed of the…
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Q: open cylinder of air has a fault DOK 50.0 cm cm, as shown Ah mm The air pressure is 1.00 atm and the…
A: Given:The air pressure is 1 atm.The temperature is 17.5 C.The mass of the piston is 25.0 kg.The mass…
Q: In a period of 9.00 s, 5.00 x 1023 nitrogen molecules strike a wall of area 5.80 cm2. Assume the…
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Q: (a) An ideal gas occupies a volume of 1.8 cm3 at 20°C and atmospheric pressure. Determine the number…
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Q: moles of an ideal gas expands isobarically as shown in the process A→B. PA = PB = 170 kPa, VB = 85…
A: given . PA = PB = 170 kPa, VB = 85 L, VA = 42 L. USING IDEAL GAS EQUATION PV=nRTP is pressureV is…
Q: (a) How many atoms of helium gas fill a spherical balloon of diameter 30.2 cm at 19.0°C and 1.00…
A: Given that, Diameter of Spherical balloon, D = 30.2 cm => D = 0.302 m Radius of Spherical…
Q: If a volume of mercury at 0oC is 2.4cm3, and the coefficient of volume expansion (α) of mercury is…
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Q: 18. GO The volume of an ideal gas is held constant. Determine the ratio P2IP, of the final pressure…
A: To determine: The ratio of final pressure to the initial pressure when the temperature of gas rises…
Q: An industrial firm supplies compressed air cylinders of volume 0.25 m3 filled to a pressure of 20 ×…
A: PV=nRT n=PVRT
Q: An ideal gas held at constant pressure has its temperature changed by a factor of 1.72x. By what…
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Q: How many moles of air are in a regular 1.0-L water bottle when you finish drinking the water? Assume…
A: Given data The volume of the water bottle is given as V = 1 L. The temperature of the air is given…
Q: By counting squares in the following figure, estimate the fraction of argon atoms at T = 300 K that…
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Q: (a) An ideal gas occupies a volume of 2.4 cm3 at 20°C and atmospheric pressure. Determine the number…
A: GIVEN Volume of the ideal gas = 2.4 cm3 at 200C To find out the no of molecules of the gas in the…
Q: A cylinder that has a 45.0-cm radius and is 50.0 cm deep is filled with air at 19.5°C and 1.00 atm…
A: Radius of the cylinder is r=45 cm Height of the cylinder is H=50 cm Temperature of the air is T=19.5…
Q: Calculate the number of moles in the 4.80-L volume of air in the lungs of the average person. Note…
A: The volume of air is, V=4.80 L=4.80×10-3 m3 The body temperature is, T=37 °C=310 K The atmospheric…
Q: A hot air balloon with diameter 20 m initially contains air at STP on a cool September morning. When…
A: Have a look
Q: (a) How many atoms of helium gas fill a spherical balloon of diameter 29.6 cm at 16.0°C and 1.00…
A: Diameter of spherical balloon, d= 29.6 cmTemperature,T= 16০ cPressure,P= 1 atm(a)Volume of the…
Q: (a) How many atoms of helium gas fill a spherical balloon of diameter 30.8 cm at 18.0°C and 1.00…
A: The ideal gas equation, also known as the ideal gas law, describes the behavior of an ideal gas…
Q: (a) How many atoms of helium gas fill a spherical balloon of diameter 30.6 cm at 23.0°C and 1.00…
A: The volume of the spherical balloon is
Q: re of the 1.6-cm3 volume is reduced to 2.0 ✕ 10−11 Pa (an extremely good vacuum) while the…
A: Given:- Volume of gas V = 1.6-cm3 =1.6 X 10 -6 m3 Pressure P1 = 1 atm = 101325 Pa pressure P2…
Q: How many atoms of helium gas fill a spherical balloon of diameter 31.0 cm at 19.0°C and 1.00 atm?…
A: (a) Volume of the spherical balloon is V=43πr3=43πd23=16πd3=16π31.0×10-2 m3=0.0155985 m3 The number…
Q: the universal gas constant R= 0.082 L•atm/mol•K and the molar mass of oxygen is 32 g/mol what is…
A: We have to calculate the pressure, Given quantities Temperature = 28.9degree Celsius = 301.9 Kelvin…
Q: (a) How many molecules are present in a sample of an ideal gas that occupies a volume of 3.00 cm3,…
A: Given, Volume of the gas molecules, V = 3.00 cm3 Temperature of the gas, at atmospheric pressure, P…
Q: In state-of-the-art vacuum systems, pressures as low as 1.00 x 10-9 Pa are being attained. Calculate…
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Q: A solid, at high temperature, has a specific heat at constant pressure of cp = 390 J kg¯¹K¯¹.…
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Q: (a) How many atoms of helium gas fill a spherical balloon of diameter 30.8 cm at 24.0°C and 1.00…
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Q: A gas, while expanding under isobaric conditions, does 490 ] of work. The pressure of the gas is…
A: Given: The work done is 490 J. The pressure of the gas is 1.45x105 Pa. The initial volume is…
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- A 26 gram of copper pellets are removed from a 300 degree C oven and dropped into 110 ml of water at 20 degrees C. What will the new water temp be in C? C water=4200 J/kg/K C copper= 390 J/kgk2.00 kg of water has a volume of 2.00 x 10-3m3 when in the liquid state at 100 °C. When the water is completely changed from liquid to vapour at 100 °C, under a constant atmospheric pressure of1.01 x 105 Pa, the volume increases to 3.38 m3. (i) How much work is done against the atmosphere as the water changes into vapour?(ii) What is the change in the internal energy of the water during vaporization?(a) An ideal gas occupies a volume of 2.6 cm at 20°C and atmospheric pressure. Determine the number of molecules of gas in the container. molecules (b) If the pressure of the 2.6-cm volume is reduced to 1.8 x 10-11 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container? mol
- (1) A given mass of gas is enclosed in a suitable container so that it can be maintained at constant volume. Under these conditions, there can be no change in what property of the gas? (a) Pressure. (b) Density. (c) Internal energy. (d) Temperature. (e) None of the above.(a) How many molecules are present in a sample of an ideal gas that occupies a volume of 1.90 cm3, is at a temperature of 20°C, and is at atmospheric pressure? molecules (b) How many molecules of the gas are present if the volume and temperature are the same as in part (a), but the pressure is now 1.80 ✕ 10−11 Pa (an extremely good vacuum)? molecules| ssm A young male adult takes in about 5.0 × 10-ª m³ of fresh air during a normal breath. Fresh air contains approxi- Imately 21% oxygel. Assuming that the pressure in the lungs is 1.0 × 10° Pa and that air is an ideal gas at a temperature of 310 K, find the number of 15. oxygen molecules in a normal breath.
- (a) How many atoms of helium gas fill a spherical balloon of diameter 30.6 cm at 23.0°C and 1.00 atm? |x What is the relationship between pressure, volume and temperature for an ideal gas? atoms (b) What is the average kinetic energy of the helium atoms? 0.0000000000 (c) What is the rms speed of the helium atoms? You do not need to use your result from part (b) to find the answer to this part. km/sA spherical balloon of volume 4.06 x 103 cm³ contains helium at a pressure of 1.21 x 105 Pa. How many moles of helium are in the balloon if the average kinetic energy of the helium atoms is 3.60 x 10-22 J? mol Need Help? Read It Master It(a) How many atoms of helium gas fill a spherical balloon of diameter 30.6 cm at 23.0°C and 1.00 atm? Enter a number lationship between pressure, volume and temperature for an ideal gas? atoms (b) What is the average kinetic energy of the helium atoms? (c) What is the ms speed of the helium atoms? km/s