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What is the concentration of HF in an equilibrium mixture established by adding mol each of H2 and F2 to a 1.00 L container at this temperature?
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What will happen to the reaction mixture at equilibruim if the volume of the container is increased?
The equilibrium will be re-established.
Water evaporates quicker?
This depends on concentration, temperature, pressure, stirring, geometry of the container, etc.
When is reaction in chemical equilibruim?
a reaction is in chemical equilibrium when the rate of evaporation is equal to the rate of condensation. molecules are leaving and returning to the container at the same rate. Equilibrium can only be reached in a close container.
What would cause a decrease in gas pressure in a closed container?
Lowering the temperature will cause a decrease in gas pressure in a closed container.
Which container contains water with lower initial temperature?
You think probable to a Dewar container.
What will happen to the reaction mixture at equilibruim if the volume of the container is increased?
The equilibrium will be re-established.
Is the partial pressure of a liquid or solid in a closed container measured at equilibrium at a given temperature?
vapor pressure
Water evaporates quicker?
This depends on concentration, temperature, pressure, stirring, geometry of the container, etc.
What is the temperature in a vacuum?
In an absolutely perfect vacuum, there is no defined temperature at all. The temperature simply doesn't mean anything. Of course, there isn't really anything that is a perfect vacuum.At very high vacuum, at equilibrium, the temperature will be determined by whatever the container holding the vacuum is in thermal contact with. Something inside an imperfect vacuum isn't at any particular temperature -- if it is at equilibrium, it will be at whatever temperature the things around it are at. However, the rate at which is reaches equilibrium with may be very slow because of the vacuum. If it not at equilibrium, then the object in the vacuum will be at whatever temperature it was set at until it reaches equilibrium with the things around it.
Vapor pressure is measured when a liquid and its vapor are?
The pressure exerted by the gas in equilibrium with a solid or liquid in a closed container at a given temperature is called the vapor pressure
What are the five characteristics of sustainable use?
Stability, flexibility, efficiency, What_are_the_five_characteristics_of_sustainable_use, and appropriate technology. :)
When is reaction in chemical equilibruim?
a reaction is in chemical equilibrium when the rate of evaporation is equal to the rate of condensation. molecules are leaving and returning to the container at the same rate. Equilibrium can only be reached in a close container.
Which of these is not a factor influencing the rate of a chemical reaction?
The speed or rate of a chemical reaction is influenced by all of the following: temperature, pressure, concentration, particle size, presence of catalysts, and phase of matter.
If the pressure in a sealed container is reduced can boiling point of a fluid be also reduced?
Yes. You can, for example, boil water at room temperature if you apply a vacuum pump to the container. However, if it was ONLY a sealed container (reduce the pressure and then take the vacuum pump away), the vapor increases the pressure and the whole thing comes to equilibrium and stops boiling.
What is the difference between a saturated solution and a super saturated solution?
A super saturated solution is unstable, and wants to precipitate some solute to regain a stable situation. Dissolve something in water at a high temperature in a perfectly clean glass container, until no more dissolves. Cool slowly and the solution becomes unstable because it holds more in solution than is normal at equilibrium at that lower temperature. It is super saturated. A tiny speck of dust or even agitation can provide conditions where the excess can precipitate out as a solid particles in suspension, until the equilibrium concentration of solution is reached, but with clouds of precipitate in there.
What is the difference between a saturated solution and a super-saturated solution?
A super saturated solution is unstable, and wants to precipitate some solute to regain a stable situation. Dissolve something in water at a high temperature in a perfectly clean glass container, until no more dissolves. Cool slowly and the solution becomes unstable because it holds more in solution than is normal at equilibrium at that lower temperature. It is super saturated. A tiny speck of dust or even agitation can provide conditions where the excess can precipitate out as a solid particles in suspension, until the equilibrium concentration of solution is reached, but with clouds of precipitate in there.
Can cheese get moldy if it is in a container at room temperature?
Yes. Cheese will mold at room temperature, even if it is in a container. It will mold faster at room temperature than it will in the refrigerator.
