Is pressure an independent variable?

We say that the pressure, p, is the dependent variable and that there are three independent variables; the amount of gas, n, the termperature, T, and the volume of gas, V. As the name implies dependent variables depend upon other quantities. On the other hand, independent variables have no such dependence.

Is pressure independent or dependent variable?

If you manipulated the volume and measured the pressure as a result, the volume would be the independent variable and the pressure would be the dependent variable because the pressure was dependent on the volume.

Is temperature or pressure the independent variable?

The intensive state variables (e.g., temperature T and pressure p) are independent on the total mass of the system for given value of system mass density (or specific volume). An intensive variable can always be calculated in terms of other intensive variables.

Why is pressure the independent variable?

The data was first manipulated to provide the inverse of both the pressure and the volume. Then, the data was used to generate a graph that had volume as a function of pressure. Pressure was used as the independent variable since Boyle controlled the pressure when he performed his original experiments.

What variable is pressure?

A variable pressure is a load that is applied over an area; a surface. A variable pressure can be applied in any direction specified by a vector or can be applied normal to the surface. A function can be defined to control the magnitude of the load at different locations on the surface.

GCSE Science Revision "Independent Variable, Dependent Variable, Control Variables"

What is this pressure?

It is the ratio of the force applied to the surface area over which the force is applied. We can define pressure as: The force applied perpendicular to the surface of an object per unit area over which that force is distributed. 1,04,479.

Is pressure and temperature direct or inverse?

The pressure of a given amount of gas is directly proportional to its absolute temperature, provided that the volume does not change (Amontons's law). The volume of a given gas sample is directly proportional to its absolute temperature at constant pressure (Charles's law).

Is pressure dependent on volume?

Decreasing the volume of a contained gas will increase its pressure, and increasing its volume will decrease its pressure. In fact, if the volume increases by a certain factor, the pressure decreases by the same factor, and vice versa.

What is dependent variable in Boyle's law?

Page 1. BOYLE'S LAW. - he wanted to investigate the relationship between pressure and volume. ▪ independent variable = pressure. ▪ dependent variable = volume.

Is volume independent or dependent?

Independent Variable is the volume of the object. Dependent Variable is the mass of the object. Control Variables are the material of the object, room temperature, and temperature of the water.

Is heat a state variable?

In thermodynamics, a state variable is an independent variable of a state function. Examples include internal energy, enthalpy, temperature, pressure, volume and entropy. Heat and work are not state functions, but process functions.

What is the independent variable between temperature and volume?

The independent variable in Charles' law is temperature. We can say that the temperature is the independent variable because the volume of the gas depends on the temperature, making it the dependant variable.

Which variable pressure temperature or volume is kept constant?

This empirical relation, formulated by the physicist Robert Boyle in 1662, states that the pressure (p) of a given quantity of gas varies inversely with its volume (v) at constant temperature; i.e., in equation form, pv = k, a constant. The relationship was also discovered by the French physicist Edme Mariotte (1676).

Can volume be the independent variable in Boyle's law?

Volume. Therefore volume is the "independent" variable for the series of measurements used as the basis for Boyle's Law. Some other experimental situation, pressure might be more easily controlled and be the "independent" variable.

What are some examples of independent and dependent variables?

The type of soda – diet or regular – is the independent variable. The level of blood sugar that you measure is the dependent variable – it changes depending on the type of soda.

How do you determine independent and dependent variables?

The easiest way to identify which variable in your experiment is the Independent Variable (IV) and which one is the Dependent Variable (DV) is by putting both the variables in the sentence below in a way that makes sense. “The IV causes a change in the DV. It is not possible that DV could cause any change in IV.”

What causes the pressure of a gas?

As the gas molecules collide with the walls of a container, as shown on the left of the figure, the molecules impart momentum to the walls, producing a force perpendicular to the wall. The sum of the forces of all the molecules striking the wall divided by the area of the wall is defined to be the pressure.

How is gas pressure defined?

Gas pressure is the name given to the force exerted by gas particles colliding with the wall of their container. Pressure is force exerted over an area. Gas pressure is the force exerted by a gas on a specific area.

What is the controlled variable in Boyle's law experiment?

These variables are P (pressure), V (volume), T (temperature), and n (number of moles). In Boyle's experiment, which two vari- ables were held constant? Both the temperature (T) and the number of moles of gas (n) were held constant in Boyle's J-tube experiment.

Does pressure depend on temperature?

Pressure, Volume, Temperature, Moles

The force exerted by the particles per unit of area on the container is the pressure, so as the temperature increases the pressure must also increase. Pressure is proportional to temperature, if the number of particles and the volume of the container are constant.

Does pressure depend on density?

Pressure and Density Relationship

When the pressure decreases, density decreases. When density increases, pressure increases. When density decreases, the pressure decreases.

Why is volume and pressure inversely proportional?

Each time they collide with the walls they exert a force on them. More collisions mean more force, so the pressure will increase. When the volume decreases, the pressure increases. This shows that the pressure of a gas is inversely proportional to its volume.

Is pressure and volume direct or inverse?

For a fixed mass of an ideal gas kept at a fixed temperature, pressure and volume are inversely proportional. Or Boyle's law is a gas law, stating that the pressure and volume of a gas have an inverse relationship. If volume increases, then pressure decreases and vice versa, when the temperature is held constant.

Are temperature and pressure a direct relationship?

The pressure of a given amount of gas is directly proportional to the temperature at a given volume. When the temperature of a system goes up, the pressure also goes up, and vice versa. The relationship between pressure and temperature of a gas is stated by the Gay-Lussac's law.

Are pressure and temp inversely related?

vV ^P ^V vP the relationship is inverse. Pressure and temperature will both increase or decrease simultaneously as long as the volume is held constant. Therefore if temperature were to double the pressure would likewise double.