If you look at the standard heat formation table, why are some values zero?Choose all that applies Single elements in their standard states have a heat of formation of 0 kJ/mol

No answer is correct

Diatomic elements in their standard states have a heat of formation of O kJ/mol

Single elements have no kinetic or potential energy

What happens when the temperature of a solution increases?

Which is an example of the practical pursuit of alchemy? a. forming perfect substances. b. transforming base metals. c. developing metalworking techniques. d. linking spiritual characteristics with material substances.

Consider the following reaction at equilibrium: c(s)+h2o(g)⇌co(g)+h2(g) predict whether the reaction will shift left, shift right, or remain unchanged upon each of the following disturbances. a) c is added to the reaction mixture. b) h2ois condensed and removed from the reaction mixture c) co is added to the reaction mixture d) h2 is removed from the reaction mixture.