Topics of this game:
- _______________reaction released the heat to the surrounding.
- All of the examples are chemical changes in exothermic reaction EXCEPT:
- which example for endothermic reaction is wrong?
- The energy of the products is lower than the total energy of the reactants
- temperature of the surrounding decreases.
- An energy level diagram it is a graph that shows the _________________________ in a chemical reaction.
- A chemical reaction involves bond breaking and bond formation. Which one always requires energy ?
- Energy absorb for bond breaking is more than energy released from bond formation. what is the heat change value?
- name the content in cold pack in the endothermic reaction.
- What is lye?
- The heat change when one mole of a metal is displaced from its salt solution by a more electropositive metal.
- The heat change when one mole of water is formed from reaction between an acid and an alkali
- The heat change when one mole of a precipitate is formed from their ions in aqueous solution
- The heat change when one mole of a substance is completely burnt in oxygen under standard conditions
