Please choose the correct answer to the question: Which of the statements is the most accurate in describing the chemical equation shown below? 2H_{2}(g) + O_{2}(g) -> 2H_{2}O(g) + energy

Answer1: A solid is produced. Answer2: Energy is released. Answer3: Energy is absorbed. Answer4: Equal numbers of molecules are on both sides of the arrow.

Answer format: answer1/answer2/answer3/answer4
Answer: answer2