Bromine is one of only two elements that is a liquid at room temperature. bromine has a heat of vaporization of 30.91 kj/mol and its boiling point is 59 °c. what is the entropy of vaporization for bromine?
a. -301 j/(mol∙k)
b. -93.1 j/(mol∙k)
c. 10.7 j/(mol∙k)
d. 93.1 j/(mol∙k)

What is the equilibrium constant of aa+bb=cc+dd

How many atoms are there in 5.70 mol of mg

Why is the bond angle in a water molecule less than the bond angle of methane? a. the central oxygen atom in water has two lone pairs of electrons, whereas the central carbon atom in methane has no lone pairs. b. the central hydrogen atom in water has one lone pair of electrons, whereas the central carbon atom in methane has two lone pairs. c. the central oxygen atom in water has four lone pairs of electrons, whereas the central carbon atom in methane has only one lone pair. d. the central oxygen atom exerts more repulsive force on surrounding atoms than the central carbon atom in methane does. reset next