physical - reversible (the change back is quite easy to do).
chemical - "irreversible" (changing it back cannot be done easily).
A physical change is when the same compound/chemical just... link 9 years, 2 months ago
Understand Exothermic reactions in this simple way,
1)Bonds are formed between atoms to become stable.
2)The species which has more energy is less stable.
3)So when two species form a... link 9 years, 1 month ago
Write the unbalanced equation.
Chemical formulas of reactants are listed on the lefthand side of the equation.
Products are listed on the righthand side of the equation.
Reactants and... link 9 years, 2 months ago
The answer lies in the question itself: You say that it will release heat(isn't that what the definition of exothermic reactions tell us), hence, it'll definitely be exothermic in nature.
As far... link 9 years, 1 month ago