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it is the total energy required to create any system by displacing its volume and pressure.
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∙ 12y ago
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What is the relationship between enthalpy and temperature?
Enthalpy is the amount of energy in a system and when this changes (when a reaction happens), the energy is either released (exothermic) or absorbed (endothermic) and this energy is usually released or absorbed as heat. Therefore when the enthalpy decreases, heat is released from the system making it exothermic. In contrast, when the enthalpy increases, heat is absorbed making it endothermic.
Is enthalpy a state function?
Yes it is state function
Internal energy and enthalpy how differ and relate to each other?
Enthalpy mathematically is the sum of the internal energy and work done in a process.internal energy is the sum of the kinetic energy,potential energy,vibrational energies etc
How do you read pressure enthalpy chart?
by smoking 3 oz of crack and then u will understand it
What is the physical significance of bending moment diagram in structure?
If we use a light weighted material offered no resistance then the beam deflects as per the diagram.
Is enthalpy of fusion a chemical property?
A physical property
Does physical adsorption have a low adsorption enthalpy?
yes it does...even though physical adsorption is an exothermic reaction, its enthalpy of adsorption is pretty low aroun 20 to 40 kJ/mol
What is the significance of isolated gaseous atom while defining the ionization enthalpy?
isolated gaseous atoms ionization enthalpy is taken as reference value and its required to compare this values to various ions of this elements and to compare this values with various elements
What is significance of Hall coefficient?
physical significance of hall coefficient
What is the Physical significance of z transform?
t is the significance of Z-transform
What is the enthalpy of HDPE?
enthalpy LDPE
What is relation between hydration energy lattice energy and enthalpy of solution?
enthalpy change of solution=enthalpy change of hydration - enthalpy change of lattice
Does the phrase direction of zero vector have physical significance?
No. the zero vector has no direction, therefore it has no significance.
What is the significance of high hydration enthalpy?
Enthalpy of hydration is the energy change for converting 1 mol of an anhydrous substance to 1 mol of the hydrated substance. More the hydration enthalpy more will be the energy released on getting hydrated. The stability of any species is inversely proportional to the energy content and any chemical species tends to becoming more and more stable. Thus having high hydration enthalpy means it will become more stable on hydration and thus it will tend to forming its hydrate.
What is the difference between enthalpy change and enthalpy change per mole?
Enthalpy is the energy absorbed or lost from a reaction, but enthalpy change per mole is the amount of energy lost per mole, so in order to get the overall enthalpy from the change per mole, you must multiply that value by the amount of moles used in the reaction.
What are pyhsical and chemical properties?
Physical properties: density, mass, hardnee, resistivityChemical properties: flammability, electronegativity, corrosivity, enthalpy of combustion
What physical and chemical properties rare determined by investigating the periodic table?
Physical properties like lustre cannot be determined. Chemical properties like enthalpy values is hard to determine.
