Science Homework Help
General Chemistry and Law of Thermodynamics Questions
According to the second law of thermodynamics:
A.the universe proceeds towards a state of lower entropy.
B.entropy is neither created nor destroyed.
C.the universe cannot create entropy.
D.the universe proceeds towards a state of higher entropy.E.the entropy of the universe is constant.1
2.Which one of the following processes leads to an increase in entropy?
decreasing the temperature of a gas
freezing a liquid
evaporating a liquid
a salt precipitating from a solution of its ions
chemical reactions that decrease the number of gas particl
4.For which of the following reactions is
![](https://cxp-cdn.cengage.info/protected/prod/assets/1e/5/1e502cd7-69d6-45ee-a32d-787ce5febae7.gif?__gda__=st=1622731558~exp=1623336358~acl=%2fprotected%2fprod%2fassets%2f1e%2f5%2f1e502cd7-69d6-45ee-a32d-787ce5febae7.gif*~hmac=19a009ed208b6ad6091146e90c76eea8e942e728077f81abd3efb44f35c5774c)
Choose all that apply.
NH4Cl(s) NH3(g) + HCl(g)
2H2O(g) + 2Cl2(g) 4HCl(g) + O2(g)
2NO(g) + O2(g) 2NO2(g)
2NO(g) + 2H2(g) N2(g) + 2H2O(l)
2NH3(g) + 3N2O(g) 4N2(g) + 3H2O(g)