Search results
Revision notes on 1.8.2 Enthalpy Level Diagrams for the Edexcel A Level Chemistry syllabus, written by the Chemistry experts at Save My Exams.
Heating Curves Tutorial: How to Calculate enthalpy changes in Heating & Cooling | Crash Chemistry
A question and answer sheet to test learner’s knowledge of thermodynamics. The topics covered in this Starter for ten are: important definitions, Born-Haber cycles, enthalpy of solution, entropy, and Gibbs free energy.
From the phase diagram for water, determine the state of water at: 35 °C and 85 kPa; −15 °C and 40 kPa; −15 °C and 0.1 kPa; 75 °C and 3 kPa; 40 °C and 0.1 kPa; 60 °C and 50 kPa; Answer a. Liquid. Answer b. solid. Answer c. solid. Answer d. gas. Answer e. gas. Answer f. liquid
26 lis 2022 · Calculate the enthalpy of formation for acetylene, C 2 H 2 (g) from the combustion data (table \ (\PageIndex {1}\), note acetylene is not on the table) and then compare your answer to the value in table \ (\PageIndex {2}\) ΔH comb (C 2 H 2 (g)) = -1300kJ/mol ΔH comb (C (s)) = -394kJ/mol ΔH comb (H 2 (g)) = -276kJ/mol.
Calculate the reaction enthalpy for the formation of anhydrous aluminum chloride by first stating the formation reaction and then using the data below: 2Al(s) + 6HCl(aq) à 2AlCl3(aq) + 3H2(g); ΔH = -‐149 kJ/mol HCl(g) à HCl(l); ΔH = -‐74 kJ/mol H2(g) + Cl2(g) à 2HCl(g); ΔH = -‐185 kJ/mol A...
Figures and tables showing how the properties of water changes along the boiling/condensation curve (vapor pressure, density, viscosity, thermal conductivity, specific heat, Prandtl number, thermal diffusivity, entropy and enthalpy).
