Will mark as brainliest. this diagram would represent the enthalpy changes in which of the following? cold pack hot pack melting solid boiling liquid

What approach is required to balance the objectives of sustainable development? balancing the objectives of sustainable development requires a(n) .

Which compound contain an iron with a 3+ charge

Which statement is true about hcl? (5 points) select one: a. it is a salt because it increases the concentration of metallic ions. b. it is a salt because it is formed by the reaction of an acid and a base. c. it is an acid because it increases the concentration of hydroxyl ions. d. it is an acid because it increases the concentration of hydronium ions.