1a nick or scratch in moist soil creates a what in terms of corrosion?
galvanic cell
2what is the specific heat of water (cp) in kJ/kgC)
4.18
3how does a galvanic cell produce electricity?
through spontaneous redox
4for corrosion to occur, the net voltage of the rxn has to be what?
negative
5what is the net voltage equation of a galvanic cell?
Ecell = Ecathode (reduction) - Eanode(oxidation)
6higher potential difference between two metals mean a higher or lower risk of corrosion?
higher
7for continuously stirred tank reactor/completely mixed flow reactor, Creactor is equal to what?
Cout
8if volume is constant then what other variable is constant?
Q
9when dissimilar metals are in contact the more ______ one becomes the anode in a corrosion cell
electropositive
10what is a sacrificial anode?
a metal that corrodes before the pipe
11when does rusting occur?
when iron and steel are exposed to oxygen and water
12what can act as a catalyst for rust?
salt and acid