Which one of the following has the highest standard molar entropy, s°, at 25°c?.

Which two statements are true about a system? 1. a system is a group of objects analyzed as one unit. 2. energy that moves across system boundaries is conserved. 3. there’s only one way to define the boundaries of a system. 4. all systems are made by humans.

Match each fossil with the layer where it’ll be present based on those conditions.

What did pavlov initially notice about the animals in his original research after conditioning took place?