How easy is it to breathe through a straw? When you breathe deeply, you pull in 4.0 L of air in about 3.0 s. This requires a pressure difference of about 4.0 kPa between the air in your lungs and the outside air. What additional pressure difference is required to pull 20°C air through a straw that is 22 cm long and 0.56 cm in diameter?

Q: Nitrogen gas is trapped inside a 4.8L cylinder with a moveable piston at a pressure of 1.0atm. If…

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Q: The pressure of an ideal gas at a constant temperature is 400 Pa. and its volume is 3.0 liters.  If…

A: Pressure: The force per unit area is known as pressure. The SI unit of the pressure is N/m2 . Write…

Q: A deep-sea diver should breathe a gas mixture that has the same oxygen partial pressure as at sea…

A: It is given that,

Q: A Goodyear blimp typically contains 5350 m3 of helium (He) at an absolute pressure of 1.10 x 105 Pa.…

A: Given. V = 5350 m³ T = 274 K M = 4.002  P = 110000 Pa

Q: A liquid rises through a heat of capillary tube corresponding to a volume of 6.8722×10-3 cm³, with a…

A: The ascent formula is given by  h = 2 T cos Ar d g where, T is the surface tension, r is the radius…

Q: The density of a fixed amount of gas is greatest at: A. SATP B. STP C. 1 bar and 0 degree Celsius D.…

A: Density of a gax for a fixed amount of gas  Thus ...mass of gas in each case is constant   Let d is…

Q: An expandable cylinder has its top connected to a spring with force constant 2.00 × 103 N/m (Fig.…

A: Given that:Force constant of the spring, k=2.00×103 N/mInitial volume, V1=5.00 L=5.00×10-3 m3Initial…

Q: 20.0 L tank contains 4.86×10^-4 kg of helium at 18°C. The molar mass of helium is 4.00 g/mol. (a)…

A: Given Data : The volume of the tank is given as V = 20 L. The mass of the helium gas is given as…

Q: Four moles of an ideal gas are confined to a 35-liter container at a temperature of 30ºC.  What is…

A: Given data *The number of moles is n = 4 moles *The volume of the container is V  = 35 L *The given…

Q: A large cylindrical tank contains 0.650 m3m3 of nitrogen gas at 28.0 ∘C∘C and 8.50×103 PaPa…

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Q: Oxygen with mass of m1=6 g and temperature T1=300 K is in a container under  pressure p1= 9.66·105…

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Q: A 10.0-L flask contains 0,400 mole of H, 0.300 mole of He and 0.500 mole of Ne at 35.0°C. What is…

A: Given data The volume of the flask is V = 10 L. The moles of H2 is nH2=0.4 moles. The moles of He…

Q: A 5.00-mol sample of oxygen gas is confined to a pressure of 5 atm at a temperature of 27 degrees…

A: Given that Number of moles n = 5.00 mol Pressure P = 5 atm Temperature T = 27°C Molar mass of oxygen…

Q: Atmospheric pressure atop Mt. Everest is 4 2 3.30x10 N/m . (a) What is the partial pressure of…

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Q: There is 1 mol of He gas at 177 °C in the given manometer system. When the temperature of this gas…

A: The initial pressure of the manometer system is, P1+ρHggh-ρHggh'=0P1+13600 kg/m39.81 m/s20.35…

Q: A deep-sea diver should breathe a gas mixture that has the same oxygen partial pressure as at sea…

A: a) The expression used to calculate partial pressure of oxygen is P=VVtPt Substitute values in the…

Q: A gas flows through a square conduit. At one point along the conduit, the conduit sides are 0.100 m.…

A: Given: At one point along the conduit, the conduit sides are, a1 = 0.100 m, velocity, v1 = 7.55 m/s,…

Q: An ideal gas in a 0.00045 m3 cylinder at 18°C and 7125 Pa (7125 N/m2). What will the pressure be if…

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Q: Q (9): A quantity of gas has a volume of 250 L at 17 C° and 3 atm of pressure. To what volume must…

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Q: In an air heating system, heated air at 40°C and 105 kPa absolute is distributed through a 0.2 m *…

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Q: A deep sea diver should breathe a gas mixture that has the same oxygen partial pressure as at sea…

A:

Q: In an undisturbed airstream, where pressure is 14.7 lb/in² and temperature is 59F, the velocity is…

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Q: A deep sea diver should breathe a gas mixture that has the same oxygen partial pressure as at sea…

A:

Q: A deep sea diver should breathe a gas mixture that has the same oxygen partial pressure as at sea…

A: Partial pressure of oxygen is (20.9/100)*1.01*105 N/m2 = 2.12*104 N/m2

Q: A 40.0-g projectile is launched by the expansion of hot gas in an arrangement shown in Figure…

A: Given data: The mass of projectile is m=40 g=0.04 kg. The initial pressure is Pi=11x105 Pa. The…

Q: A 8.90-L sealed rigid tank contains 1.80 moles of oxygen gas at a temperature of 293.4 K. What is…

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Q: (6) Steam enters a nozzle at 200°C and 200 kPa with a velocity of 28 m/s, and leaves at 150°C and…

A: Given : At the entrance : Temperature, T1 = 200oC = 473 K Pressure, P1 = 200kPa Inlet area, A1 = 775…

Q: An ideal gas is held at constant temperature. The initial pressure & volume are 6 atm and 200 mL,…

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Q: A sealed box with volume 2 m^3 contains an ideal gas with 2.0*10^26 particles at a temperature of…

A: Since you are posted more than one question, we will answer the first question. If any specific…

Q: 17. A 2 L container holds 3 moles of N, gas at 323 K. What is the pressure of the gas inside the…

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Q: A 24L tank contains ideal helium gas at 27 degrees C and a pressure of 22 atm. How many moles of gas…

A: Using the ideal gas equation,

Q: An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. During…

A: a) Given info : The initial pressure is Pi=1 atm. The initial and final temperatures are Ti=10°C and…

Q: A bicycle tire has a pressure of 6.20 x 10 N/m? at a temperature of 20.0°C and contains 1.60 L of…

A: Pressure inside bicycle tire Pi = 6.20×105 N/m² Initial temperature of tire = final temperature of…

Q: An expandable cylinder has its top connected to a spring with force constant 2.00 x 103 N/m (Fig.…

A:

Q: 12. A 2.00-m^3 weather balloon is loosely filled with helium at 1 atm (76 cm Hg) and at 27° C. At an…

A:

Q: A steel rod 0.69 m long and an aluminum rod 0.31 m long, both with the same diameter, are placed end…

A: Given , Length of steel rod(Ls)= 0.69m Length of aluminium rod (La)= 0.31m Temperature of rods…

Q: he density of air at 20 degree celcius is 1.204 kg/m3. The density at temperature 100 degree celcius…

A: Given: The density of the air at 20oC is 1.204 kg/m3. The density of the air at 100oC is 0.9467…

Q: 7. If I have an unknown quantity of gas held at a temperature of 1195 K in a container with a volume…

A: Given The temperature of the gas is T=1195 K. The volume of the gas is V=25 L. The pressure of the…

Q: 0.94 m3 tank contains 4.5 kg of Sulphur dioxide (SO2) at 35°C. What is the gas pressure?

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Q: An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. During…

A: a. According to the ideal gas equation, PiViPfVf=TiTf

Q: A tank having a volume of 30.0 L contains nitrogen (N2) gas at 20.0 oC and at a gauge pressure of…

A:

Q: A tire with an inner volume of 0.025 m^3 is filled with air at a gauge pressure of 36psi. If the…

A: Given volume of 0.025 m^3 and gauge pressure of 36psi.  We have to find what volume outside of the…

Ideal Gas Law

Ideal gas law states that the product of pressure and volume of a gas directly varies with the product of the number of moles, the universal gas constant, and the temperature of the gas.