Explore Westonci.ca, the leading Q&A site where experts provide accurate and helpful answers to all your questions. Join our Q&A platform and get accurate answers to all your questions from professionals across multiple disciplines. Experience the ease of finding precise answers to your questions from a knowledgeable community of experts.

You measure the amount of chemical energy in some wood and it is 200J. Then you measure the amount of light and heat energy given off when you completely burn the wood. How much total energy (light and heat added together) would the wood give off when burned? How do you know?