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Heat of a reacion is the totall amount of heat a reaction produces. Molar heat of a reaction is the heat produced/mol if you have the molar hear of the reaction you can calculate the heat of the reaction based on the moles of reactants you have
If the reaction is exothermic then heat is produced.
exothermic
A reaction in which heat is produced is called exothermic. A reaction in which heat is absorbed (or one that produces cold) is called endothermic.
A reaction that gives off energy is an exothermic reaction. The reaction will give off energy in the form of either heat or light An example of an exothermic reaction would be the curing of concrete. One chemical reaction that will give off heat is the mixture of Caustic Soda and water. The water dissolves the Caustic Soda which in turn generates heat. There are two types of reactions. Exothermic reactions give off heat, and endothermic reactions require that heat be added to make them work. Be careful with exothermic reactions. A rapid, energetic exothermic reaction is called an "explosion".
-55.90 kJ
heat, light
heat, light
heat is produced, light is produced, gas is produced, the chemicals change color.
You think probable to heat.
It is sign of chemical reaction because smell and heat is produced.
Heat is always released in exothermic reactions.