August 2019 NY Regents Chemistry Exam
13 Given the equation representing a reaction: H + H → H2
What occurs during this reaction?
(1) A bond is broken and energy is absorbed.
(2) A bond is broken and energy is released.
(3) A bond is formed and energy is absorbed.
(4) A bond is formed and energy is released.
Solution: In the equation to atoms of hydrogen come together, forming a bond. When a bond is formed, energy is released.
Answer: 4
Prepare for the Chemistry Regents Exam: HERE
Contact us for chemistry tutoring: HERE