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What is the relationship between enthalpy of atomisation of hydrogen and the bond dissociation enthalpy of the H-H bond?
Wiki User
∙ 13y ago
the enthalpy of atomisation of hydrogen is equal and (in principle) identical to the bond dissociation enthalpy of the H-H bond. However, IF the first is measured by calorimetry and the second by spectrometry there might be a systematic difference.
Wiki User
∙ 13y ago
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Electron gain enthalpy values of hydrogen and phosphorous?
gain enthalpy of phosphorus
Why H cannot be placed in group 1a although its electronic configuraion is similar to group 1a?
It is so because it also resembles the the halogens. The enthalpy of bond dissociation of Hydrogen is quite similar to Halogens. Its properties resemble both alkali metals and the halogens but differ from them too. So, it is not placed with any of them.
How can you tell which small testube is collecting hydrogen gas and which one is collecting oxygen gas before you test them?
Coming from the dissociation (e.g. by electrolysis) of water (H2O, DHMO), the 'hydrogen' test tube is filled twice as much as the 'oxygen' is. However, coming from the dissociation of pure hydrogen peroxide (H2O2, DHDO) they are filled the same volume.
Which equation best represents the dissociation of water molecule into hydrogen ions and hydroxide ions?
The equation is: H2O------>H+ + OH-
How would you make a hydrogen ion?
covalently bonding it to another hydrogen ion
What chemical reaction is hydrogen breaking apart?
This isn't really a reaction, because the product, hydrogen atoms, is not a substance which can be isolated. It is a theoretical step in some reactions. The process can be called the atomisation of hydrogen, or bond dissociation.
Why the reaction between hydrogen and chlorine is very slow at room temperature?
Because hydrogen molecule is very stable and it is because of high dissociation enthalpy of hydrogen molecule, it reacts slowly with chlorine at room temperature.
Electron gain enthalpy values of hydrogen and phosphorous?
gain enthalpy of phosphorus
Dissociation of hydrogen peroxide?
Hydrogen peroxide (H2O2) does not dissociate in water.
What are 2 ions that are the products of dissociation of water?
hydrogen and water
What is the initial cause of the dissociation of water molecules into hydrogen and hydroxide ions?
hydrolysis
Does hydrogen break easly?
No. hydrogen molecule has a strong single bond with a bond dissociation energy of 436 kJ/mol.
Why H cannot be placed in group 1a although its electronic configuraion is similar to group 1a?
It is so because it also resembles the the halogens. The enthalpy of bond dissociation of Hydrogen is quite similar to Halogens. Its properties resemble both alkali metals and the halogens but differ from them too. So, it is not placed with any of them.
Water ionizes into hydrogen ions and hydroxide ions. It has a?
The dissociation is:2 H2O-----------H3O+ + OH-
How can you tell which small testube is collecting hydrogen gas and which one is collecting oxygen gas before you test them?
Coming from the dissociation (e.g. by electrolysis) of water (H2O, DHMO), the 'hydrogen' test tube is filled twice as much as the 'oxygen' is. However, coming from the dissociation of pure hydrogen peroxide (H2O2, DHDO) they are filled the same volume.
Ph value of sodium hydrogen carbonate?
Alkaline, but you need to know the concentration and the dissociation constant to calculate pH
Is Mg Br and acid?
No,acids undergo dissociation to form hydrogen ion in water.MgBr2 dissociate to form Mg2+ and Br- in water only,no hydrogen ions are produced.
