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Chemistry, 16.07.2019 17:20 gudtavosanchez19

Chemical reactions occur when molecules or atoms collide in a way that the bonds between atoms break and new bonds form. breaking the bonds of the reactants requires energy, whereas bond formation releases energy. select the true statements regarding energy changes during a reaction. reactants must collide with proper orientation and with energy greater than or equal to the activation energy for a reaction to occur. the activation energy, , of the forward reaction is the difference between the energy of the products and the energy of the transition state. if the heat of reaction, δ is positive, the energy of the products is lower than the energy of the reactants and the reaction is exothermic. when the activation energy is high, the reaction rate is fast. decreasing the temperature decreases the kinetic energy of the reactants, and the reaction goes more slowly. increasing the concentration of reactants increases the number of collisions, and the reaction goes faster. the energy of a collision between atoms or molecules must be greater than or equal to the activation energy, , for bonds to be broken.

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Chemical reactions occur when molecules or atoms collide in a way that the bonds between atoms break...
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