If the enthalpy value for a reaction is negative, what does that indicate about the reaction? explain

a) it’s endothermic and heat is absorbed by the system.
b) it’s exothermic and heat is absorbed by the system.
c) it’s endothermic and heat is released to the surroundings.
d) it’s exothermic and heat is released to the surroundings.

A) it is endothermic and heat is absorbed by the system.

answer: i have one answer

acids are substances that ionize (break off) in an aqueous solution to produce hydrogen (h+) ions

explanation:

hope this and sorry i could only come up with one answer!

it forms an anion that has a larger radius. anions have a negative charge and are larger than the original atom.