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Molar volume of liquid is greater than molar volume of gas. why?
The molar volume of a liquid is greater than that of a gas because in a liquid, the particles are closer together and have stronger intermolecular forces holding them in place, resulting in a higher density compared to a gas where particles are more spread out and have weak intermolecular forces. This leads to a smaller volume per mole for gases compared to liquids.
What is the relation of the molar heat of fusion to the molar heat of vaporization?
Molar heat of fusion: the heat (enthalpy, energy) needed to transform a solid in liquid (expressed in kJ/mol). Molar heat of vaporization: the heat (enthalpy, energy) needed to transform a liquid in gas (expressed in kJ/mol).
If some of the gas bubbles escape the volumetric flask during the experiment atmosphere. Would the calculated molar mass of the gas be greater or less than the theoretical molecular value?
If gas bubbles escape the volumetric flask, the calculated molar mass of the gas will be less than the theoretical molecular value. This is because the number of moles of gas remaining in the flask will be underestimated, leading to a lower molar mass calculation.
What is the molar volume of sodium?
As a liquid or gas? And if a gas, at what pressure? At sea level (1 atmosphere), 22.4 L of any given gas contains exactly one mole of the gas.
Is natural gas is less dense than oil?
Of course less denser, because a gas is always less denser than liquid.
Molar volume of liquid is greater than molar volume of gas. why?
The molar volume of a liquid is greater than that of a gas because in a liquid, the particles are closer together and have stronger intermolecular forces holding them in place, resulting in a higher density compared to a gas where particles are more spread out and have weak intermolecular forces. This leads to a smaller volume per mole for gases compared to liquids.
What is the relation of the molar heat of fusion to the molar heat of vaporization?
Molar heat of fusion: the heat (enthalpy, energy) needed to transform a solid in liquid (expressed in kJ/mol). Molar heat of vaporization: the heat (enthalpy, energy) needed to transform a liquid in gas (expressed in kJ/mol).
Is the molar kinetic energy of chlorine gas equal to greater to or less than the molar kinetic energy of nitrogen at 25 degrees Celsius?
The molar kinetic energy of chlorine gas is equal to the molar kinetic energy of nitrogen gas at 25 degrees Celsius. Temperature is the only factor that determines the average kinetic energy of gas particles, not the type of gas.
What happens to the density of water as it changes from liquid to a gas?
Gas is much less dense than liquid.
If some of the gas bubbles escape the volumetric flask during the experiment atmosphere. Would the calculated molar mass of the gas be greater or less than the theoretical molecular value?
If gas bubbles escape the volumetric flask, the calculated molar mass of the gas will be less than the theoretical molecular value. This is because the number of moles of gas remaining in the flask will be underestimated, leading to a lower molar mass calculation.
What is the molar volume of sodium?
As a liquid or gas? And if a gas, at what pressure? At sea level (1 atmosphere), 22.4 L of any given gas contains exactly one mole of the gas.
Is natural gas is less dense than oil?
Of course less denser, because a gas is always less denser than liquid.
Why excluded volume is less than the molar volume in van der waal's equation?
In the van der Waals equation, the excluded volume is considered to be less than the molar volume because it accounts for the volume occupied by gas molecules themselves, which reduces the available space for the gas particles to move around freely. This reduced effective volume results in a difference between the molar volume and the true volume of the gas.
Is heluim a gas a liquid or a solid?
helium is a gas less dense than air.
Does flux core welding require the use of gas?
Yes, flux core welding does not require the use of gas because the flux core wire itself produces a shielding gas to protect the weld from contamination.
Calculate molar heat of sublimation?
You could calculate the molar heat of sublimation as long as you know by placing a known amount of a known quantity in a calorimeter and measuring the change in temperature during sublimation. Then use the equation E=mc(change in T) where E is energy in joules, m is mass, c is heat capacity, and T is temperature.
What shielding gas do you use when welding with flux-cor wire?
you dont .thats what the flux does.solid core wire needs gas
