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Card 19 / 27:
hydrometallurgy
process in which a metal is separated from a mixture by first converting it into soluble ions, extracting the ions, and then reducing the ions to precipitate the pure metal
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Questions & Answers
where can I find the Arrhenius equation
ln(k two/k one)= (- activation energy/R)(1/T two - 1/T one)
T is tempuratue in Kelvin, K is rate constant but you can also use rate two and one instead, R is 8.314 J/mol×Kelvin
Drenea
if ur solving for k two or k
one you will need to use e to cancel out ln
Drenea
An atom is the smallest particle of an element which can take part in a chemical reaction..
olotu
how to find the rate of reaction?
Karan
is it equilibrium constant
olotu
what us atomic of molecule
chemical formula for water
what are the properties of pressure
Maryam
How can water be turned to gas
VICTOR
this can be defined as the systematic way of arranging element into vertical spaces called periods and horizontal spaces called groups on a table
onwuchekwa
how does carbon catenate?
condition in cracking from Diesel to petrol
hey I don't understand anything in chemistry so I was wondering if you could help me
condition for cracking diesel to form kerosene
Brient
please let me know
Brient
periodic law state that the physical and chemical properties of an element is the periodic function of their atomic number
rotimi
how is valency calculated
How is velency calculated
Bankz
Hi am Isaac, The number of electrons within the outer shell of
the element determine its valency . To calculate
the valency of an element(or molecule, for that
matter), there are multiple methods. ... The
valency of an atom is equal to the number of
electrons in the outer shell if that number is fou
YAKUBU
what is the oxidation number of this compound fecl2,fecl3,fe2o3
bonds formed in an endothermic reaction are weaker than the reactants but y r these compound stable at higher temperatures
Source:
OpenStax, Chemistry. OpenStax CNX. May 20, 2015 Download for free at http://legacy.cnx.org/content/col11760/1.9
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