Activation energy is
the heat released in a reaction
the energy given off when reactants collide
generally very high for a reaction that takes place rapidly
an energy barrier between reactants and products

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1. if you have a gas at 127 degrees c, what is it's absolute temperature (kelvin)? a. 200kb. 300kc. 400kd. 500k2. if you had a gas whose absolute temperature measured 45 k, what is that temperature in celsius? a. -228 cb. -300 cc. 125 cd. 112 c