What is the universal gas constant?

Q: Relate convection in fluids to density changes

A: Convection is heat transfer due to a density differential within a fluid,as the waters temperature…

Q: Why the Peeps get bigger in the vacuum chamber?  What gas law is demonstrated in this demo?  And…

A: Peeps expand under vaccum or get bigger in vaccum chamber. At equilibrium a peep has the same…

Q: Evidence that a gas consists mostly of empty space is the fact that:

A: The motion of molecules is increasing because those molecules are observing the energy from the…

Q: Calculate the volume of water that overflows when a Pyrex beaker filled to the brim of 250 cm3 of…

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Q: State the term convection.

A: Convection is popular way of heat transfer in liquids and gases. In this process warmer air or…

Q: Why does an air bubble in water rise from bottom to top and grow in size?

A: As the water poured is directly proportional to the depth of the water, the water depth in the body…

Q: The photovoltaic systems are designed based on “Peak Sun Hours.” What is peak sun hour?

A: The device that is used to convert the light energy directly into electrical energy is known as…

Q: The average energy of an atom or molecule in a gas is 3/2 kT where k is the Boltzmann Constant, and…

A: Average energy of an atom or molecule = 3/2 kT  Here k is Boltzmann constant  T is temperature in…

Q: You are an astronaut exploring a new planet in a distant solar system. This planet has an…

A: Given data: The atmospheric pressure on the planet is P=1000 mm of Hg. The oxygen content of the…

Q: In your own words, Use the kinetic theory of gases to explain the air in a hot air balloon is heated…

A: KINETIC THEORY OF GASES

Q: What, if anything, happens to the volume of gas in an atmospheric research-type balloon when it is…

A: Research Type - balloons are balloons that are used for scientific research. They are filled with a…

Q: Use the Clausius-Clapeyron equation to help calculate the relative humidity [in units of %], given a…

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Q: What is an item of the scientific name for the layer of gas that surrounds the earth

A: Layer of gases surrounding the earth is known as 'Atmosphere'. Atmosphere consists of ~78% nitrogen,…

Q: Why we use fluid dynamics? Where?

A: Fluid dynamics is the branch of applied science that is concerned with movement of fluids. Fluid…

Q: Why the PeepsTM get bigger in the vacuum chamber? What gas law is demonstrated in this demo? And…

A: In the vacuum chamber the air pressure is reduced by the vacuum pump resulting into the peeps…

Q: A standard altimeter indicates 15,000 ft when the ambient temperature is 35 ℉. Calculate the density…

A: At h=15,000 ft the standard temperature is 5.50F. Therefore the atmosphere is not standard. Since…

Q: Convection is the transfer of heat energy via: A.plasmas B.liquids or gases C.solids or plasmas…

A: Convection : Convection is the transfer of heat from the hot region to the cold region through the…

Q: Define convection

A: There are three types of heat transfer mechanisms: conduction, convection and radiation. Convention…

Q: What is perpetual motion?

A: Perpetual motion:-  We know that perpetual motion is defined as a continuous motion of infinite…

Q: The pressure in a natural gas pipeline is measured by the manometer shown in figure below with one…

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Q: Define about Small Nonzero Temperatures ?

A: To describe: Small Nonzero Temperatures Non zero temperatures are normally depicted as T = 0. Non…

Q: what is meant by an ideal gas? under what conditions does a real gas behave most like an ideal gas?

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Q: The number density of air in a child's balloon is roughly the same as sea level air, 1019…

A: Number of particles in the balloon is, N=nVN=n×43πR3

Q: A 6. Which of the following are scientific facts? The air we breath on Earth is mostly nitrogen.…

A: All of the given statements are scientific facts.

Q: By the way, what is atmospheric pressure

A: By the way, what is atmospheric pressure

Q: If you launch a projectile upward with a high enough speed, its kinetic energy is sufficient to…

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Q: The gravitational pull on particles in this cloud exceeded the tendency of a gas to disperse because…

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Q: What is meant by a system and surrounding?

A: System:- System is defined as definite quantity of matter or region in space containing a specific…

Q: In a star, the balance between compressive gravitational forces and expansive hot gas pressure is…

A: In a star the compressive gravitational pull  generates heat that ignites the nuclear fusion…

Q: What is meant by the specific gravity?

A: Every substance has certain density, which is defined as the amount of mass present in an unit…

Q: Define osmotic pressure?

A: Osmotic pressure can be defined as the minimum pressure that must be applied to a solution to halt…

Q: Imagine that you have air in a sealed glass container that has a volume of 1 liter. The pressure…

A: Air is a mixture of gases and they follow Dalton's law of partial pressures. Accordingly, the total…

Q: What is different between streamlined and turbulent motions?

A: When the velocity of a liquid is less than the critical velocity of the liquid, the motion is said…

Q: Assume the scale height of Oxygen molecules in the Earth’s atmosphere is 7 km. If the density of…

A: Write the given data. ρ0=1020 /cm3h=7 km

Q: If gas expands to fill all the space available to it, explain why the Earth's atmosphere doesn't…

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Q: What would you expect the barometric pressure outside of a jet flying at 6.9 km to be?

A: FLUID MECHANICS

Q: how many atmospheres is a depth of 100 meters of ocean water

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Q: What is absolute zero?

A: The lowest limit of the thermodynamic temperature scale is called absolute zero.

Q: Our cycle of normal breathing takes place every 5 seconds. Velocity of air flow,y, measured in…

A: Our cycle of normal breathing takes place every 5 seconds. If Velocity of airflow, y is measured in…

Q: What is the importance of having different temperature scales? Why?

A: Temperature is a measure of the average kinetic energy of the particles in matter. In everyday…

Q: When does the universal gas constant occur?

A: Universal gas constant (universal molar gas constant) is the constant that appears in the universal…

Q: What is the temperature and pressure at STP?

A: STP abbreviated as Standard Temperature and Pressure.STP refers to conditions in the atmosphere at…

Q: Which is more dense, hot or cold liquid? a hot O b cold

A: The mass of atoms, their size, and how they are arranged determine the density of a substance.