mention the four information given by an equation?
Answers
- a chemical equation tells us the physical states of the products and reactants ( solid by s, liquid by l and gaseous by g.)
- also, the arrow in between products and reactants indicate the direction of reaction.
- by the word "heat" in the products sign, we come to know that equation is exothermic. by the symbol∆ above the arrow, we learn that heat is given for the chemical reaction to take place.
- the + sign between the reactants and products indicate that they are combined in the reaction
- the name of any catalyst is also useful in a reaction to express that it is used to speeden up the reaction
- temperature if mentioned also lets us know that a chemical reaction takes place at that specific temperature
- names of the reactants and products are also mentioned along with their chemical formula for identification
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