The major component of body sweat is
A) sodium chloride.
B) potassium chloride.
C) calcium chloride.
D) water.
Question 2
Ethyl alcohol is produced by the fermentation of glucose, C6H12O6.
C6H12O6(s) 2 C2H5OH(l) + 2 CO2(g) H = - 69.1 kJ
Given that the enthalpy of formation is -277.7 kJ/mol for C2H5OH(l) and -393.5 kJ/mol for CO2(g), find the enthalpy of formation for C6H12O6.
A) -1411.5 kJ/mol
B) -1273.3 kJ/mol
C) -740.3 kJ/mol
D) -602.1 kJ/mol
Question 3
What is the oxidation number of potassium in KMnO4?
A) 0
B) +1
C) +2
D) -1
E) +3
Question 4
What are the FPoF bond angles in PoF6 ?
A) 60
B) 90
C) 109.5
D) 120