A 17 cm radius air duct is used to replenish the air of a room 8.8m•5.0m•3.8m every 15 mins. How fast does the air flow in the duct?

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Q: The average body temperature of a healthy person is  37.0°C.  Boltzmann's constant is 1.38 × 10−23…

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Q: The average kinetic energy of an argon atom in a spherical container filled with argon gas and with…

A: Average kinetic energy = (3/2) KT where k is the boltzmann constant 4.82 * 10-21 = (3/2)(1.38…

Q: An 8.60 ✕ 10−3 m3 cylinder is filled with 3.40 mol of hydrogen gas. If the pressure within the…

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Q: How many molecules of an ideal gas are there in 1.0 m3 at 1.0 Pa and and 100 °C?  a) 1.0 × 1020 b)…

A: Given data:  Volume (V) = 1.0 m3 Pressure (P) = 1.0 Pa Temperature (T) = 100 °C Required: Number of…

Q: A circular swimming pool has a diameter of 10 m, the sides are 3 m high, and the depth of the water…

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Q: Which of the following is true about a real gas? A. The attractive forces among the gas particles…

A: the correct option to this problem is A) let's see why the correct option is correct and why the…

Q: Which of the following describes a real gas better? A) gas particles repel each other B) all…

A: Ques: Which of the following describes a real gas better? A) gas particles repel each other B) all…

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A: Given the diameter of the pool is 16 m. Therefore, the radius of the pool will be 8 m. The depth of…

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Q: The average mass of an oxygen atom is 5.3*10^-26 kg. Calculate the kinetic energy of a mole of…

A: Given data:  Mass of an atom of oxygen (m) = 5.3×10-26 kg Speed (v) = 400 m/s Required: The kinetic…

Q: A room is 6.00m wide by 8.00 m long by 3.50 m tall and has an air conditioning vent that is 20.0 cm…

A: We need to find the speed of flow of air through the air vent.

Q: Inside a sphere of radius 12 cm are 8.0x10²³ gas molecules at a temperature of 50°C. What pressure…

A: we use PV=nRT. where n is the number of moles

Q: 2. A balloon of diameter 20.0 cm is filled with helium gas at 30°C at 1.00 atm. a) How many atoms of…

A: Given values: Universal gas constant, R=8.314 J/mol K Boltzmann constant, k=1.38×10-23 J/K Avagadro…

Q: Question 10 On a certain planet, the atmospheric pressure at 10.0 km above ground level is 30.0% of…

A: Ans:- Image-1

Q: A spherical balloon of volume 4000 cm3 contains helium at an (inside) pressure of 1.20 x 105 Pa. How…

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Q: The sum of the kinetic and potential energies of all the atoms and molecules in a substance is known…

A: In this problem, it is asking about the sum of kinetic energy and potential energy of all atoms and…

Q: a. -7.848, 4.905, 4.905, 21.67

A: a. -7.848, 4.905, 4.905, 21.67

Q: Internal energy of an ideal gas depends on: i. the volume of the ideal gas ii. the pressure of…

A: Let the number of moles of a gas = n Let the temperature of the gas = T Let the pressure of the gas…

Q: Along path 1 the pressure is increased to pa = 1.80 x 105 Pa while the volume is kept constant with…

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Q: Please help me with both parts

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Q: Steam to drive an old-fashioned steam locomotive is supplied at a constant gauge pressure of 2.39 ×…

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Q: ) Which of the following statements is NOT an assumption of the kinetic theory of gases? A) Force of…

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Q: A cylindrical fank of about & m high, with a radius of 3 m, is filled half way with wafer.…

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Q: One mole (6.02×1023 atoms) of helium atoms in the gas phase has 3700 J of microscopic kinetic energy…

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Q: he highest building in Montreal is the ‘1 square building’, with a height of 203m.  The atmospheric…

A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

Q: A 19 cmcm radius air duct is used to replenish the air of a room 7.6m×6.7m×3.8m every 15 min. How…

A: The rate of airflow equals the area times the speed of the airflow. Now,

Q: Steel ball with radius of 0.09 m lays on a bottom of the lake 5 m deep. What work is needed to lift…

A: Apply the Archimedes principle, and solve for the mass of the ball.

Q: Air enters a hot-air furnace at 5 °C and leaves at 120 °C. If the pressure does not change each…

A: Given : T1 = 5°C = 5 + 273 = 278 K T2 = 120°C = 120 + 273 = 393 K  V1 = 1 m3

Q: A spherical balloon of volume 3.95 x 103 cm3 contains helium at a pressure of 1.15 x 105 Pa. How…

A: The given values are,

Q: Problem 4 A circular swimming pool has a diameter of 18 meters, the sides are 4 meters high, and the…

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Q: Steam enters a turbine with an enthalpy of 3300 KJ/kg and leaves with an enthalpy of 2400 kJ/kg. The…

A: Given , Steam enters a turbine with an enthalpy of 3300 KJ/kg and leaves with an enthalpy of 2400…

Q: While the pressure inside the piston- cylinder device remains constant and 100 psig, the volume of…

A: P= 100 psig = 689476 Pa  V changes from 60,000 in3 to 35,000 in3  ∆V = 35000- 60000 = - 25000 in3…

Q: *7. ssm A bar of gold measures 0.15 m × 0.050 m x 0.050 m. How many gallons of water have the same…

A: To calculate the volume of the water, Considering that the water's mass is equal to the gold's mass…

Q: Determine the atmospheric work done as a 2-in cube of ice melts in a region of 1 atm. At 32°F, these…

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Q: A tank in the shape of an inverted cone has a height of 15 meters and base radius of 4 meters and is…

A: Given: Height of cone tank, x = 15 m Radius of cone tank, r = 4 m Water is filled to depth = 12 m…

Q: In a period of 1.0 s, 5.0 x 1023 nitrogen molecules strike a wall of area 8.0 cm2. If the molecules…

A: Given,

Q: Calculate ∆S when 1 kg of copper at 100oC is placed in 2 kg of water at 0oC in an insulated…

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Q: Steam enters a turbine with an enthalpy of 3300 KJ/kg and leaves with an enthalpy of 2400 kJ/kg. The…

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Q: An aorta has an inside diameter of 1.6 cm and carries blood at speeds of up 30 cm/s. What is the…

A: Given that,  Diameter of aorta ,= 1.6 cm   Velocity of blood at this diameter, v1=30cms   Final…

Q: Consider a pond with three types of fish. 1) N1= 100, M1-1 lb 2) N2=30, M2-3 Ib 3) N3-10, M3=7 lb…

A: MW is the weight averaged molecular weight. Mathematically, it is given by MW = ∑Ni Mi2∑Ni Mi We use…

Q: Example 1.29. Calculate the work done in blowing a soap bubble of diameter 100 mm. Assume e surface…

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Q: The average body temperature of a healthy person is  37.0°C.  Boltzmann's constant is 1.38 × 10−23…

A: Initial Temperature Ti = 37.0°C = (37+273) K = 310 K Boltzmann Constant k = 1.38×10-23 J/K Final…

Q: 0.75 m3 container of an ideal gas at atmospheric pressure is at a temperature of 40 oC and contains…

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Q: A tank in the shape of an inverted cone has a height of 15 meters and base radius of 4 meters and is…

A: Let the radius of the cone is given by R. Let the height of the cone is given by H. Let the radius…

Q: A snorkeler takes a deep breath at the surface, filling his lungs wit 4.0 L of air. He then descends…

A: Using ideal gas equation  PV=constant

Q: Air enters a hot-air furnace at 5 °C and leaves at 80 °C. If the pressure does not change each…

A: From the question, it is given that- Initial temperature Ti=5 oC = 278 KFinal Temperature: Tf = 80oC…

Variation of pressure

From the equation of pressure, pressure is directly proportional to the applied force.