A closed vessel contains equal number of molecules of hydrogen and oxygen. A fine hole is made in the vessel. Which gas will leak rapidly?

Q: A block of iron weighs 98 N in air. How much does it weigh when it is completely immersed in water?…

A: Given data: Weight of the object in air = 98 N Density of iron= 7.86 x 10^3 g= 9.8 m/s^2 Need to…

Q: 3 A balloon is filled with 400 m° of helium. How big a payload can the balloon lift? (The density of…

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Q: 5. In the figure given, a piston with an 8 cm diameter compresses Meriam 10 cm D=8 cm Piston red oil…

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Q: How large (volume) would a balloon filled with helium need to be in order to lift a 100kg man? The…

A: DATAmass of the man, m=100 kgDensity of Helium,ρHe=0.164 kh/m3Density of air , ρair=1.29…

Q: Icebergs have an average density of 920 kg/m3. Seawater has an average density of 1030 kg/m3. An…

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Q: The flow rate equation states that Alu1=A2v2. Why is this equation true? a) Conservation of mass:…

A: Equation of continuity is based on the principle of  conservation of mass. The total mass of the…

Q: The pressure of the gas in a cylinder is 1 atm. Its value in pascal is O a. 100000 O b. 1000 O c.…

A: Here Atm is stands for atmosphere ..

Q: A ball of mass 4 kg is lightly dropped into a tube with a base of 1 m^2. After it sinks to the…

A: Here volume of water displaced is equal to volume of ball  Volume (V) = AH = 1×2.5×10^-3  = 2.5…

Q: 20. The density of liquid mercury at 273 K is 13.6 g cm³ and the surface tension is 0.47 N m. If the…

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Q: The pressure of a gas contained in a cylinder with a movable piston is 450 Pa (450 N/m 2 ). The area…

A: Given: pressure P = 450 Pa Area of piston A = 0.3 m2 To find: force F =??

Q: A Physiological unit of blood pressure is اخترأحد الخيارات a. Newtons per meter O b. Meter of…

A: blood pressure is measured in millimetres of mercury (mm Hg).

Q: Why is a liquid container more likely to burst from the base?

A: One is that air pressure is which causing the bottom to break out.

Q: input force is used to exert a large output force by making the area of the output piston larger…

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Q: 20. The density of liquid mercury at 273 K is 13.6 g cm³ and the surface tension is 0.47 N m¹. If…

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Q: A gas is filled in a closed container and its molecules are moving in horizontal direction with…

A: The gas molecules are moving in the positive x-direction. the pressure due to die the acceleration…

Q: The Quickjack car lift system has an output piston with a radius of 0.17 m. If the lift is connected…

A: we know that pascal is S I unit of pressure  IN quick jack  lift system we use two end of piston .…

Q: The air pressure supplied to a scuba diver must equal that exerted by the surrounding seawater, and…

A: Given that            The partial pressure of oxygen in air at sea level (one atmosphere) is 0.209 ×…

Q: A gas bubble of diameter 2cm rises steadily at the rate of 2.5mm/s through a solution of density…

A: The formula for the viscous force is:

Q: A U-shaped tube is partially filled with equal volumes of water and mercury. If each liquid fills a…

A: Mercury is denser than water. Hence, it will settle to the bottom of the tube. The height y up to…

Q: The air density is 1.28Kg/m³. the mass of the empty balloon is 2g. Determine the diameter of the…

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Q: A balloon at normal atmospheric pressure (1 atm) is allowed to expand to a volume of 14 L when the…

A: Boyle's law states that temperature and the amount of ideal gas remaining constant, the pressure of…

Q: A simple open U-tube contains mercury. When 11.2 cm of water is poured into the right arm of the…

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Q: The density of seawater is 1025 kg /m. Find the density in kg/liters. O a. 1.025 kg/L O b. 250 kg/L…

A: Given data: Density of seawater (ρ) = 1025 kg/m3 Required: Density in kg/liters

Q: If the angle between the wall of a tube and the tangent to the liquid surface at its point of…

A: The heigh of a liquid column in a capillary tube can be found using the relation: h=2γ cosθρgr Here,…

Q: If you decrease the volume of a gas to 1/3 its original volume, how much bigger or smaller is the…

A: Write the given values of this problem.   Write the value for decrease the volume.   Let…

Q: A small artery has a length of 1.10 × 10-3 m and a radius of 2.50 × 10-5 m. If the pressure drop…

A: The rate of flow of fluid through the artery can be found using the Poiseuille's law and it is given…

Q: Motor oil, with a viscosity of 0.25 N s/m , is flowing through a tube that has a radius of 3.0 mm…

A: The formula for the pressure difference in terms of viscosity of the fluid is:

Q: Integrated circuits are manufactured in vacuum chambers in which the air pressure is 1.00x10-10 mm…

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Q: A ball of mass 4 kg is lightly dropped into a tube with a base of 1 m^2. After it sinks to the…

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Q: A vessel of 120 mL capacity contains amount of gas 35°C and 1.2 bar pressure. The gas is transferred…

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Q: Aquaman can withstand a pressure of 2.0 x103 kPa, what must be his depth limit?

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Q: The vessels shown below all contain water to the same height. Rank them according to the pressure…

A: The pressure in a liquid is due to the weight of the column of the water above. The pressure 'p'…

Q: An engine cylinder has a compression ratio (r) of 7.5, a clearance volume of 35 cm3 and a piston…

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Q: A rocket engine shoots exhaust gas at 5.0E8 Pa of gas pressure through a nozzle whose area is 0.3…

A: Answer                1.5E8newton is the force pushing the rocket forward?

Q: Assume that the average density of a arctic iceberg is 0.67 that of seawater. What fraction of an…

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Q: The air density is 1.28Kg/m³. the mass of the empty balloon is 2g. Determine the diameter of the…

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Q: Calculate the partial pressure of oxygen at a barometric pressure of 500 mm Hg if oxygen is 20% of…

A: Write the given data. Pair=500 mmHg%O2=20%

Q: At a given instant, the blood pressure in the heart is 1.6 x 10* Pa. If an artery in the brain is…

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Q: If the volume of the gas decreases to zero, what happens to the pressure

A: If Temperature is constant then , by the universal gas equation, PV = nRT  So, PV = constant  So if…

Q: A teenager in a large pool at a certain depth D, equipped with a full scuba gear, takes enough air…

A: Given  Pressure difference ∆P = 8.7 kPa  = 8700 Pa  Water density(ρw) = 1000 kg/m3   Let depth is…

Q: Some amount of oxygen occupies 500 in at an absolute pressure 40 lb/in2 (psi). What should be the…

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Q: If you decrease the volume of a gas to 1/2 its original volume, how much bigger or smaller is the…

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Q: Consider a person who has a blood pressure (systolic or high) of 149 mm Hg. What is your blood…

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Q: A U-shaped tube containing a fluid has pistons at each end. One piston has twice the cross-section…

A: According to Pascal's law of fluid  mechanics, in a fluid(that may be gas or liquid) at rest in a…

Variation of pressure

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