4. (10 Points) What is Hess' Law and what is its significance in working with chemical reactions?

Measuring which physical property is most likely to produce the most precise results when trying to identify a substance

What is limiting reactant? with examples

Select the correct answer how does the heat content of the reaction change in the process of photosynthesis when a glucose molecule is formed? ca the value of is negative the value of qis positive the value of a remains constant the value of a decreases the value of equals zero e