Exothermic processes - Page 4
Questions
- What kind of reaction is C4H10 (g) O2 (g)?
- Is the reaction #S(s) + 2CO(g) rarr SO_2(g) + 2C(s) + 76*kJ# exothermic?
- In terms of #"bonds broken"# and #"bonds formed"#, how do we address #DeltaH_"rxn"^@#?
- In an exothermic reaction, are the bonds in the PRODUCTS STRONGER than the bonds in the REACTANTS?
- Sodium acetate is used in heat packs due to its ability to crystallize and re-dissolve. how is enthalpy part of this reversible reaction ?
- In terms of thermodynamics how would we represent the decomposition of ammonium chloride to give ammonia and hydrogen chloride?
- Why is thermite process used?
- Why is the pizza sauce hotter then the pizza crust?
- Why is condensation of water vapor regarded as exothermic reaction?
- What is the net energy exchange for the combustion of ethyne? Show your work. Based on the net energy exchange, is the process endothermic or exothermic?
- Examples of exothermic reaction with equation?
- Which situation would cause the following equilibrium reaction to increase the formation of the product? 2SO2 (g) + O2 (g) Two arrows stacked on top of each other. The top arrow points to the right. The bottom arrow points to the left. 2SO3 (g) + Energ
- Supports combustion is it physical or chemical property?
- What chemical or physical reaction occurs in a flame?
- 2H2 + O2 → 2H2O What happens to the kinetic energy of molecules when they are heated?
- If combustion reactions are spontaneous, why is there an increase in entropy for the system and surrounding?
- How is oxygen gas, and hydrogen gas isolated?