When wood is burned, energy is released in the form of heat and light. describe the reaction, and explain why this reaction does not violate the law of conservation of energy. use the terms combustion, exothermic, and chemical energy.

If 22.5 liters of oxygen reacted with excess of hydrogen, how many liters of water vapor could be produced?

Read the claim. breakfast is an important meal. it jump starts the body’s process of using calories to break down food. appetite can decrease with age, but going too long without eating causes metabolism to slow down. current research shows that incorporating legumes such as lentils and chickpeas into meals boosts metabolism for twenty-four hours. who might benefit from this claim? people who have a fast metabolism stores that sell exercise equipment people who take vitamin supplements grocery stores that sell legumes

If a solution contains 3 moles/liter of sodium chloride (nacl, made of sodium ions and chloride ions), what is the osmolarity of this solution