Reaction between FeS+ Dil. H2SO4....whether it is exothermic or endothermic?

Dear Sagar,

This is a useful class practical to introduce energy changes in chemical reactions. The students measure thetemperature changes in four reactions, and classify the reactions as exothermic or endothermic. The experiments can also be used to revise different types of chemical reaction and, with some classes,chemical formulae and equations.
 

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FeS+ Dil. H2SO4 is an exothermic reaction causing release of energy in the form of heat thus raising the temperature of the test tube.