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Which process requires more energy completely vaporizing 1 kg of saturated liquid water at 1 ATM pressure or completely vaporizing 1 kg of saturated liquid water at 8 at?
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Is an obligate halophile an organism that requires high osmotic pressure?
No, it requires high salt concentrations normally between 15-30% and a facultative holophile requires between 2-15%
Why matters which have vapor pressure do not just boil away as vapors when placed in vacuum?
Well they do -- but it takes time and energy. In order for a substance to go from a solid or liquid state to a gaseous state requires a certain 'heat of evaporation' measured in joules per mole. If this heat is provided then the substance will vapourize completely.
What requires more energy the latent heat vaporisation of water or the latent fusion of ice?
The latent heat of vaporisation of water requires more energy. This is because on melting, the intermolecular bonds in water are only weakened whereas on boiling, the bonds are completely broken, which requires a larger amount of energy.
Is there air pressure in water?
Water is effectively an incompressible substance, so pressure does not affect its' volume. However, its boiling and freezing points are directly related to the external pressure. Water boils when its vapor pressure is equal to the external pressure (or the atmospheric pressure if it is contained in some uncovered pot). Greater external pressure requires higher temperature for water so as to have that value of vapor pressure for it to boil. This is how pressure affects water.
Why did water dried up first than acetone and alcohol?
water has a lower vapor pressure than alcohol or acetone, so it requires more heat energy to cause it to evaporate.
Which change in state requires that energy be added to the substance?
A phase change from solid to liquid requires energy .likewise a liquid will vaporise into the gaseous state after appropriate increase in energy.
What would requires more heat melting 500 g of ice or turning 500 g of water into steam?
Water to steam. Think about the bonds. In melting, you are breaking some bonds, but on the whole you still have one group of molecules. In vaporizing, the molecules must break away from the group completely. It is much harder to accomplish this than it is to melt.
Why the charcoal burns without giving a flame?
What you call a flame is vaporized fuel oxidizing. Vaporizing pure carbon, which is what charcoal (theoretically) is requires temperatures higher than anything you're likely to achieve.
Disadvantages of hydrogen as a power source?
requires high pressure
What is the suitable air pressure in a basketball?
NBA regulation requires to be 7.5 to 8.5 pounds in air pressure.:)
How do you cure the sickness of hernia?
A hernia often requires surgery to cure completely.
What Two deuterium nuclei requires extreme temperatures and .?
high pressure
Does high pressure require great force?
p = F / A. where: p = pressure F = force A = Area. Pressure is proportional to force. So high pressure requires high force.
What is used to form urine and requires a high blood pressure?
Glomerular filtrate
Is an obligate halophile an organism that requires high osmotic pressure?
No, it requires high salt concentrations normally between 15-30% and a facultative holophile requires between 2-15%
How do you replace the oil pressure switch on a 1989 Beretta?
It requires a special socket to fit it.
Do Zombies need to sleep?
No- the Zombie is a completely self sufficient life form, and therefore, requires no rest.
