Chemistry 9701: CHEMICAL ENERGETICS Topical Past Paper Questions
Cambridge AS & A Level Chemistry (9701) past-paper questions on CHEMICAL ENERGETICS, free. This topic is frequently examined across 26 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
(a) The Group 2 nitrates undergo thermal decomposition. (i) Write an equation for the thermal decomposition of anhydrous calcium nitrate. [1] (ii) Describe the trend in thermal stability of the nitrate compounds going down Group 2. Explain your answer. trend ..... explanation ...…
(a) Define the term entropy. [1] (b) (i) Place one tick (✓) in each row of Table 3.1 to show the sign of the entropy change, $ \Delta S $, for each process. Table 3.1 (ii) Chlorine trifluoride, $ ClF_{3} $, decomposes on heating into its elements, as shown. reaction 1 $$ 2\mathsf…
Water is an amphoteric compound that also acts as a good solvent of polar and ionic compounds. (a) Equation 1 shows water acting as a Brønsted–Lowry acid. equation 1 $$ \mathrm{H}_{2}\mathrm{O}+\mathrm{NO}_{2}^{-}\rightleftharpoons\mathrm{HNO}_{2}+\mathrm{OH}^{-} $$ (i) Identify…
Sign in required
Full CHEMICAL ENERGETICS question set, mark schemes and AI worksheets
Log in for the full topic-segregated question set, mark schemes, and AI worksheets built from every Chemistry past paper. New accounts start with 25 free credits.
Explore all Chemistry topics
All Chemistry topics