The Thermite reaction is used to weld railway lines. It is a combustion reaction and creates a flame. Is it an endothermic or exothermic reaction?

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Joan writes four numbers on the board in standard form, and then she writes their scientific notation

Draw two cyclic constitutional isomers of cis-1

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.