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Why the slope of temperature versus pressure graph is positive in some cases and negative in other cases?
If the pressure is increasing then the slope is positive. If the pressure is decreasing then the slope is negative.
When will Gibbs free energy always be negative?
Gibbs free energy (ΔG) will always be negative for a spontaneous process occurring at constant temperature and pressure. This typically occurs when the change in enthalpy (ΔH) is negative (exothermic reactions) and the change in entropy (ΔS) is positive, leading to a favorable increase in disorder. Additionally, even if ΔH is positive, a sufficiently large positive change in entropy can also result in a negative ΔG at high temperatures, according to the equation ΔG = ΔH - TΔS.
What things have positive and negative numbers?
temperature battery magnet blood pressure the earth rotations
Dose a positive pressure drain need a trap?
A trap on a positive drain is used to avoid the 'contaminated' air in a HVAC system from traveling through the condensate line and entering into areas where it is unwanted. The trap becomes necessary when one condensate line is used for multiple units, especially if it is tied to other negative pressure drain traps. The negative pressure drain traps may not drain properly if they have to overcome the positive non- trapped pressure of another unit. It allows the condensate to drain more evenly, as well. Without a trap, the positive pressure from the unit can blow air through the drain with the water and cause 'spitting.' A trap on a positive pressure system may not always be necessary, but it is good practice to trap every drain and trap it properly. There are guidelines for both positive and negative pressure traps. Always follow the manufacturers recommendations.
Why is the slope of water negative?
For water the line has a negative slope (vs carbon dioxide). This explains why ice floats since volume decreases with increasing pressure as we move upward on the phase diagram from solid to liquid water, the volume occupied by H20 decreases and thus water must be increasing in density.
When temperature of a gas decreases at constant volume it?
...pressure decreases.
When the temperature of a gas decreases a constant volume its?
...pressure decreases.
When the temperature of a gas at constant volume decreases it's?
...pressure decreases.
When the temperature of a gas is constant will the volume increase or decrease as the pressure decreases?
When the temperature of a gas is constant and the pressure decreases, the volume will increase. This is described by Boyle's Law, which states that at constant temperature, the pressure and volume of a gas are inversely proportional to each other.
What happens to the pressure of a confined gas at a constant temperature when the volume is reduced by half?
When the volume of a confined gas is reduced by half at a constant temperature, the pressure of the gas will double according to Boyle's Law. This is because the product of pressure and volume is constant for a given amount of gas at constant temperature. When the volume decreases, the pressure increases to maintain this equilibrium.
When the pressure of a gas at a constant temperature is increased the volume of the gas decreases when the pressure is decreased the volume increases?
decreases
When the temperature is constant will the the volume of a gas decrease as the pressure decreases?
At constant temperature p.V=constant, so pressure INcreases when decreasing the volume.
Am according to Boyle's law what happens to the pressure of the temperature of a gas stays constant when the volume decreases?
When the volume of a gas decreases at constant temperature according to Boyle's Law, the pressure of the gas increases. This relationship is represented by the formula P1V1 = P2V2, indicating that as the volume decreases, the pressure must increase to maintain the product of pressure and volume constant.
What gas law does it say that when the pressure of a gas is at constant temperature it is increased its volume increases or decreases?
Boyle's Law states that at constant temperature, the volume of a gas is inversely proportional to its pressure. This means that as the pressure of a gas increases, its volume decreases, and vice versa.
At constant temperature if the volume of a gas decreses what happens to the pressure?
At constant temperature if the volume of a gas decreses what should I do now
There is any special case that when pressure decreases volume also decreases?
Sure, if temperature isn't held constant.
Is blood pressure negative or positive feedback?
Is the clotting of blood an example of positive or negative feedback?
