The enthalpy of an intermediate step should be manipulated when used to produce an overall equation by using the Hess's law. You could multiply the enthalpy by -1 if this equation is reversed in theory.
I don’t understand your questions can you elaborate
B is the right answer because it’s a double replacement reaction and the potassium is balanced with the sulphate
The energy transformation occurs in a gasoline-powered car is c<span>hemical energy is converted into mechanical energy. The answer is letter A. The rest of the choices do not answer the question above.</span>
Organisms that share many derived characteristics are probably more closely related
