The following constant pressure process occurs spontaneously when the system, initially at a different temperature from its surroundings, attains the same final temperature as the surroundings.

C$3$H$8($g$,22\backslash$deg C$,1$ atm$)$

C$3$H$8($g$,77\backslash$deg C$,1$ atm$)$

Which of the following statements about this process is$/$are correct? You may choose more than one, or none, of the statements.

The entropy of the system increases: $\backslash$Delta S $>0.$

The entropy of the surroundings increases: $\backslash$Delta Ssurr $>0.$

The entropy of the universe increases: $\backslash$Delta Suniv $>0.$

Work is done by the system on the surroundings.

Heat flows from the system into the surroundings.