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What is the standard heat of formation of a free element in its standard state?
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∙ 10y ago
standred
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∙ 10y ago
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Element never found in its free state?
Sulphur
Are there single displacement reactions in the body?
Not without bad consequences. These require an element in the free state. Any of those in the human body will be very bad.
What is the free state of carbon in free state?
free and combined states of carbon
What type of very reactive chemical species participates in the formation of photochemical smog?
free radicals
What is Marylands nickname?
Maryland has 2 nicknames. One of them is the Old Line State, and another is the Free State.
Is C2H2 plus H2 equal C2H4 spontenous written?
The standard free energy of formation of C2H2 is +209.20 kJ/mole, while that of C2H4 is +68.15 kJ/mole (and H2 zero since it is an element in its standard state). thus, at standard temperature and pressure (25 C, 1 Bar pressure) the reaction C2H2 + H2 -> C2H4 has a standard free energy change of -141 kJ/mole and thus "spontaneous" in that equilibrium constant >> 1.
Element never found in its free state?
Sulphur
What is Gibbs Free energy?
The usable energy released or absorbed by a reaction.
A certain essential element is not usable to organisms in its free state?
nitrogen
Which statement is not element of the compromise of 1850?
Maine was admitted as a free state
What statement is not an element of te Compromise of 1850?
Maine was admitted as a free state
A certain essential element is not usable to organisms in its free state special bacteria can fix it into a form that is usable the element is?
nitrogen
What is ellingham diagram?
These are the graphical representations of standard free enegry changes as a function of temperature for the formation of oxides, chlorides or sulphides of various elements.
What is the oxidation number for N?
Zero.for an element in the free state oxidation no is always zero.
Is Cl a molecular element?
It is Chlorine. In its free state, it exists as a bimolecular gas - Cl2
A substance that has a high reactivity?
Phosphorus. Due to its high reactivity, this element can't be found in its free state.
What does volence mean?
The combining power of bn element either in free or combined state is known as valency
