Does state of substance and pressure affect density?
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The density of a substance is affected by its state and pressure . Different states of a substance, such as polar and non-polar, can have different molecular packing properties, leading to variations in density . The pressure dependence of density can be accurately described by a two-state structural model, which takes into account the pressure-/temperature-dependent densities and fractional compositions of the contributing structures . The temperature of maximum density of water and aqueous solutions decreases as pressure increases . The rate of decrease in density with pressure can vary depending on the nature of the solute . High-pressure density data are crucial for the design and optimization of processes related to the exploration and recovery of unconventional oil resources .
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| The paper states that temperature and pressure can affect the density of substances, particularly at extreme conditions. | |
Open access•Dissertation 01 Sep 2010 1 Citations | The paper states that the temperature of maximum density of water and aqueous solutions decreases as pressure increases. However, it does not specifically mention the effect of state of substance on density. |
6 Citations | The paper states that the volumetric properties of liquids are affected by the state of the substance, specifically the molecular packing properties. It also mentions that the proposed two states model can predict high-pressure density using easily measurable physico-chemical quantities. However, it does not explicitly mention the effect of pressure on density. |
31 Citations | Yes, the pressure does affect the density of water according to the paper. The paper discusses the pressure dependence of density measurements of water and introduces a curved pressure dependence for accurate description of pressure-dependent properties. |
34 Citations | Yes, the state of substance and pressure affect density. The paper discusses the prediction of the equation of state of compounds at high pressures and how the density of materials can be determined based on pressure and composition. |
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