Question

answer both please

the following from lowest to highest entropy: SiO-(), SIBra(), SiCL(). SiC(o). Assume 1 mole of each at the same conditions. from lowest to highest entropy Drag and drop your selection from the following list to complete the answer Submit Answer Retry Entire Group more group attempts remaining Use the References Arange the following from lowest to highest entropy: NaCIo), KBr(o), KTo), LICI(o). Assume 1 mole of ach at the same froen lowest to higheet entropy Drag and drop your selection from the following list to complete the answer KBr(s) LiC() NaCI(s) KI(s) Retry Entire Group 8 more group attempts remaining PİC.COLLAGE

Answer 1

Molar mass of a gas is directly proportional to entropy

More is the molar mass, more is the entropy

1. Molar mass of SiC = 40.11 g/mol

SiO₂ = 60.08 g/mol

SiCl₄ = 169.9 g/mol

SiBr₄ = 347.701 g/mol

But gaseous has more entropy than liquids. Liquids have more entropy than solids.

Combining these two, we have

SiC (s) < SiO₂(s) < SiBr₄(l) < SiCl₄(g)

2. Molar mass of

KBr = 119.002 g/mol

NaCl = 58.44 g/mol

LiCl = 42.394 g/mol

KI = 166.0028 g/mol

Entropy is:

LiCl(s) < NaCl(s) < KBr(s) < KI(s)