Which of the following statements are true? The activation energy (Ea) must be overcome in order for a reaction to occur.

Decreasing the temperature of the system increases the surface area.

Increasing the concentration of reactants decreases the amount of products.

The higher temperature you have the less kinetic energy there is.

може ли да зареждате повече информация, моля

it was spontaneous.

"ain't i a woman? " is the name given to a speech, delivered extemporaneously, by sojourner truth, (1797–1883), born into slavery in new york state.sojourner truth' delivered her famous speech "ain't i a woman? " (which did not have a title at that moment) was given without any previous preparation. her dissertation took place at the women's convention in akron, ohio, in 1851.