A chemist measures the energy change during the following reaction: 2Fe2O3(s) → 4FeO(s) + O2(g) ΔH= 560

Use the information to answer the following question. Calculate how much heat will be released or absorbed. Be sure your answer has the correct number of significant digits.

What is the mass of 4 molecules of co2

Gwhich r group would most likely be found in a hydrophobic area of the tertiary structure of a globular protein? which r group would most likely be found in a hydrophobic area of the tertiary structure of a globular protein? −ch2−oh −ch2−o||c−nh2 −ch2−coo− −ch2−ch2−ch2−ch2−n+h3

Which of the following is the correct definition of chemical energy? a. energy an object has because of its motion or position b. energy resulting from the flow of charged particles, such as electrons or ions c. energy produced from the splitting of atoms d. energy stored in chemical bonds of molecules