Which of the answer choices correctly describes an action that will increase the solubility of a solid solute in water?
cool the solution
increase the pressure
heat the solution
decrease the pressure
Examine the statement.
The energy required to break the bonds of the reactants in a chemical reaction is more than the energy used to form the products.
Which answer choice correctly identifies a characteristic of the reaction in the description?
endothermic
exothermic
a slow reaction rate
a fast reaction rate
And your thoughts?
I think the first one is C and the second one B
I mean first one c and the second one c
I agree with 1 but not 2.
was the first answer for question 2 wrong as well
Is it d?
Yes, the first answer was wrong, too.
AB = A + B + energy ......exothermic
AB + energy ==> A + B....endothermic