Are the following processes exothermic or endothermic

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Are the following processes exothermic or endothermic? after selecting the answer please explain why you selected it.

a. When solid KBr is dissolved in water, the solution gets colder.

b. Natural gas (CH4) is burned in a furnace.

c. When concentrated H2SO4 is added to water, the solution gets very hot. d. Water is boiled in a teakettle

Reference no: EM131160224

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