Questions LLC
Login
or
Sign Up
Ask a New Question
Questions
Science
where does activation energy come from
1 answer
Usually from an outside source. For example, gasoline burns in air but only AFTER it is started. We can light a match to the gasoline, that supplies the activation energy to get it "over the hump", then the heat of the reaction keeps things going.
You can
ask a new question
or
answer this question
.
Related Questions
4. When potassium permanganate and glycerol react, the potential energy of the products is less than the potential energy of the
For a one step reaction, the activation energy for the forward reaction is 40.0 kJ mol-1, and the enthalpy of reaction is -20.0
How do catalysts affect a chemical reaction?
lose activation energy provide activation energy increase activation energy lower
A certain reaction has a delta H= -75 kJ and an activation energy of 40 kJ. A catalyst is found that lowers the Activation
When potassium permanganate and glycerol react, the potential energy of the products is less than the potential energy of the
For a one step reaction, the activation energy for the forward reaction is 40.0 kJ/mol and the enthalpy of reaction is -20.0 kJ
1/2 H2(g) + 1/2 I2(g) -> HI(g)
△H= +28kJ The activation energy for the formation of HI is 167kJ. The activation energy for the
Transfer Between Systems Quick Check
1.Which phrase defines activation energy?(1 point) energy output when product bonds are
RELATIVE POTENTIAL ENERGY QUICK CHECK 1
Which form of energy changes in chemical reactions due to bonds breaking and forming?(1
Endothermic reactions absorb a lot of energy. Exothermic reactions give off a lot of energy.
Which type of reaction has a higher