January 2019 NY Regents Chemistry Exam 12 Which equation represents energy being absorbed as a bond is broken? (1) H+H→H2 +energy (2) H...

January 2019 NY Regents Chemistry Exam 11 Which term represents the sum of the atomic masses of the atoms in a molecule? (1) atomic...

January 2019 NY Regents Chemistry Exam 10 Which quantities are conserved in all chemical reactions? (1) charge, pressure, and energy (2)...

August 2019 NY Regents Chemistry Exam 47. Which equation represents a spontaneous reaction? Solution: Table J on the Reference Table...

August 2019 NY Regents Chemistry Exam 44 Which phase change results in an increase in entropy? Solution: Entropy is the measure of...

August 2019 NY Regents Chemistry Exam 43 Based on Table I, which equation represents a reaction with the greatest difference between the...

August 2019 NY Regents Chemistry Exam 42 Given the equation representing a system at equilibrium in a sealed, rigid container:...

August 2019 NY Regents Chemistry Exam 41 Hydrochloric acid reacts faster with powdered zinc than with an equal mass of zinc strips...

August 2019 NY Regents Chemistry Exam 31 The bright-line spectra produced by four elements are represented in the diagram below. Which...

August 2019 NY Regents Chemistry Exam 26 A 0.050 M aqueous solution of which compound is the best conductor of electric current? (1)...