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If the value of the enthalpy change is negative this will show heat has been released and if the value is positive this will show heat has been absorbed.?
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What is the enthalpy of a reaction?
The amount of energy that is used or released as heat in a reaction.
When an atom loses one or more electrons to form a positive ion the energy is?
Energy is released and absorbed
Is energy absorbed or released to form positive ions?
It always requires energy to pull an electron from a neutral atom and form a positive ion.
What is electron gen enthalpy?
Electron Gain Enthalpy is the amount of Energy released when an isolated gaseous atom accepts an electron to become a monovalent gaseous anion.For Example:Atom(gas) +Electron ---->Anion(gas) +Energy(Electron Gain Enthalpy)
What happens to the enthalpy in a balloon?
It decreases
What is the term for Heat taken or released in a dissolving process?
I suppose that these are synonyms.
What is the enthalpy of reaction apex's?
The heat released or absorbed in a reaction apex
What is heat of reaction and enthalpy of reaction?
Heat of reaction and enthalpy of reaction are the same thing. Enthalpy, or the heat transfer, cannot be measured, however we can measure the CHANGE of enthalpy which is shown by a value of ∆H. This measured in kilojoules per mole of reactant. (KJ/mol)This value may be positive or negative. For endothermic reactions (which absorb heat), the ∆H value is always positive. For exothermic, where heat is released, the value is negative.
What is the enthalpy of reaction-?
the heat released or absorbed in a reaction
What is the enthalpy of a reaction?
The amount of energy that is used or released as heat in a reaction.
What type of reaction is exothermic reaction?
The reaction in which energy is being released, and the overall energy change (enthalpy) is negative.
Is the heat content of a system at a constant pressure?
Yes it is possible, for example when water freezes there is a point when the temperature remains constant however energy is released as the water condenses.
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.
What do you call the heat energy that is released or absorbed during a change of state of water?
latent heat of fusion, or of vaporisation or enthalpy of fusion, or of vaporisation Please see the link
When an atom loses one or more electrons to form a positive ion the energy is?
Energy is released and absorbed
What are the release dates for Positive Negative - 2008?
Positive Negative - 2008 was released on: USA: 2008 (The IAC British International Amateur Film Festival)
Is energy absorbed or released to form positive ions?
It always requires energy to pull an electron from a neutral atom and form a positive ion.
