The calorimetry lab has no procedure and is poorly organized. There are much better calorimetry labs which could be used. 

Thank you for your feedback. We are continually working to improve our materials and rely on the feedback of teachers for what we can do better. We will take a look at this lab.

Also, there are not enough practice problems for this unit. The topic of thermochemistry is very hard to grasp for students. More practice would be extremely beneficial. 

Thank you for your feedback. We are continually working to improve our materials and rely on the feedback of teachers for what we can do better.