HEPLU PLS REAL ANSWER NO FILE Based on your research, which source of energy do you think best meets the needs of
society? Defend your answer in 50 to 100 words.

List four observations that indicate that a chemical reaction may be taking place

Complete each row of the table below by filling in the missing prefix or missing exponent.

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.