Is there some sort of problem statement here?turtleGuy said:Pressure initial: 95 kPa
Final pressure: 190 kPa
Change in enthalpy: -2.96 kJ
Initial volume: 0.045 cu.meter
Density: 1.11 kg/cu.meter
pV=c
Chestermiller said:Is there some sort of problem statement here?
Chestermiller said:What are your thoughts on this?
pV being constant means that ##\Delta U=\Delta H##. But, if these both are not equal to zero, that means that the behavior is inconsistent with the behavior of an ideal gas. So either, the gas is behaving non-ideally or there is inconsistency in the problem statement. So I ask again, are you currently learning about the behavior of non-ideal gases, or are you only covering ideal gases now?turtleGuy said:yeah they only said pV=constant. The density is on the Initial.
Density is a physical property that describes how much mass is packed into a given volume of a substance. It is important in science because it can help identify and characterize different materials, determine if they will float or sink in a liquid, and predict how they will behave under different conditions.
Density is calculated by dividing the mass of a substance by its volume. The formula is written as D = m/v, where D is density, m is mass, and v is volume. The unit for density is typically grams per cubic centimeter (g/cm3) or kilograms per cubic meter (kg/m3).
Some common examples of density in action include how oil floats on water, how ice floats on liquid water, and how helium balloons rise in air. Density also plays a role in the separation of materials in industries such as mining and oil refining.
Density is a physical property of matter, along with other properties such as mass, volume, and color. It helps to differentiate between different types of matter and can provide information about their composition and behavior. For example, substances with higher densities tend to be more compact and heavier, while substances with lower densities are lighter and more spread out.
Density is used in scientific experiments and measurements because it is a reliable and consistent way to describe and compare materials. It can also help determine the purity of a substance and provide information about its structural properties. Density is also used in calculations and equations to understand and predict the behavior of materials in various situations.