Question

Which of the following reactions results in a decrease in entropy?

2SO2 (g) + O2 (g) yields 2SO3 (g)
2NH3 (g) yields N2 (g) + 3H2 (g)
2H2O2 (aq) yields 2H2O (l) + O2 (g)
NaHCO3 (aq) + HCl (aq) yields NaCl (aq) + H2O (l) + CO2 (g)

Answer 1

@aaronq isn't the less moles of gas the answer?

Answer 2

@Abmon98

Answer 3

yep

Answer 4

whee! so would that be the first?

Answer 5

indeed

Answer 6

thanks!!!!

Answer 7

no problem ! it was all you anyway

Answer 8

haha but i checked it with the champion!

Answer 9

lol