PLS HELP! What are examples of a chemical reaction? Select all that apply.

a. O2(g) + O(g) → O3(g)
b. 2H2O(l) → 2H2(g) + O2(g)
c. CH4(g) + 2O2(g) → CO2(g) + 2H2O(g)
d. CO2(s) → CO2(g)

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

Which formula equation represents the burning of sulfur to produce sulfur dioxide? s(s) + o2(g) 4502(9) 2h2s(s) + 302(g) —> 2h20(0) + 2502(9) 4fes2+1102 —> 2fe2o3 + 8502 2802(g) + o2(9) v205 , 2503(9)

In an exothermic reaction, energy may be released to the surroundings in the form of question 4 options: heat light thermal all of the above