Write the combustion equation for propane (C3H8). What is the sum of the coefficients for the reactants and products? Group of answer choices 13 14 10 11 12

How much energy moves onto the next level, in an energy pyramid

Will give brainliest it is a lab from k12 here is the linkfor each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. type your answer here. (score for question 3: of 5 points) were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. type your answer here. (score for question 4: of 5 points) make a general statement about the reactivity of the metals in this experiment. type your answer here.

What is formed when amino acids form long chains or polymerize