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No. The calculation of entropy is more complicated than that. For example: to increase the temperature of 1 g of water by 1 degree (kelvin or celsius), you need about 4.2 joule. Now, if you increase the temperature of water from 273K (freezing point) to 373K (boiling point), for the first degree the entropy increases by approximately 4.2 joule / 273K = 0.0154 J/K. But for the last degree of increase, from 372 to 373K, the entropy increases by 4.2 joule / 372 kelvin = 0.0113 J/K. To calculate the increase in entropy, the entire range of temperatures must be divided into small intervals (in practice, there are shortcuts for the calculation). So, you see the relationship is not quite as simple as a simple proportion.
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What happens to entropy when pressure decreases?
When pressure decreases, the volume generally increases. Since entropy is related to the number of possible microscopic configurations of a system, an increase in volume typically leads to an increase in the number of possible configurations. Therefore, entropy often increases when pressure decreases.
When pressure increases does temperature increase?
In a closed system the pressure and temperature are direct proportional.
When graphing enthalpy and entropy what variables are included?
In a graph of enthalpy versus temperature, the enthalpy of a substance is plotted on the y-axis, while the temperature is plotted on the x-axis. When graphing entropy versus temperature, the entropy of a substance is plotted on the y-axis while the temperature is plotted on the x-axis.
What is an expression out of Charles law?
The volume is directly proportional to temperature at constant pressure.
What must remain constant for pressure and temperature to be directly proportional?
The volume of the gas must remain constant for pressure and temperature to be directly proportional, according to Boyle's Law. This means that as the pressure of a gas increases, its temperature will also increase proportionally, as long as the volume is held constant.
Which of the three variables that apply to equal amounts of gases are directly proportional Which are inversely proportional?
Directly proportional: pressure and temperature (Boyle's Law and Charles's Law), inversely proportional: volume and pressure (Boyle's Law), volume and temperature (Charles's Law).
What happens to entropy when pressure decreases?
When pressure decreases, the volume generally increases. Since entropy is related to the number of possible microscopic configurations of a system, an increase in volume typically leads to an increase in the number of possible configurations. Therefore, entropy often increases when pressure decreases.
When pressure increases does temperature increase?
In a closed system the pressure and temperature are direct proportional.
Does the increasing temperature increase pressure?
The temperature increases when pressure increases. This is according to the law of pressure. This law mentions that pressure is directly proportional to temperature.
Pressure changes have no effect on the entropy of substances in the blank or blank states?
Pressure changes have no effect on the entropy of substances in the solid or liquid states. Entropy is primarily affected by temperature changes and phase transitions rather than pressure variations in these states.
How are pressure volume and temperature of gases related?
Pressure, volume, and temperature of gases are related by Boyle's Law, Charles's Law, and Gay-Lussac's Law. Boyle's Law states that at constant temperature, the pressure of a gas is inversely proportional to its volume. Charles's Law states that at constant pressure, the volume of a gas is directly proportional to its temperature. Gay-Lussac's Law states that at constant volume, the pressure of a gas is directly proportional to its temperature. These relationships can be combined into the Ideal Gas Law: PV = nRT, where P is pressure, V is volume, T is temperature, n is the amount of substance, and R is the gas constant.
When graphing enthalpy and entropy what variables are included?
In a graph of enthalpy versus temperature, the enthalpy of a substance is plotted on the y-axis, while the temperature is plotted on the x-axis. When graphing entropy versus temperature, the entropy of a substance is plotted on the y-axis while the temperature is plotted on the x-axis.
What affects the evaporation of water?
The boiling of water is directly proportional to temperature and inversely proportional to the pressure exerted on the water.
The pressure of an ideal gas is indirectly proportional to?
Other things being equal, it is directly proportional to the temperature. It is also directly proportional to the amount of gas.Other things being equal, it is directly proportional to the temperature. It is also directly proportional to the amount of gas.Other things being equal, it is directly proportional to the temperature. It is also directly proportional to the amount of gas.Other things being equal, it is directly proportional to the temperature. It is also directly proportional to the amount of gas.
The volume of a given mass of an ideal gas at constant pressure is?
directly proportional to its temperature. This relationship is known as Charles's Law.
How are the volume and pressure of a gas at a constant temperature related?
They're proportional; as temperature increases volume increases.
How are the volume and temperature of a gas at at constant pressure related?
They're proportional; as temperature increases volume increases.
