Describe the path that an electrical impulse would take after someone touched a hot spot

If the chemical properties of a substance remain unchanged and appearance or shape of a substance changes it is called a ?

Estimate the change in the gibbs energy and molar gibbs energy of 1.0dm3 of octane when the pressure acting on it is increased from 1.0 atm to 100 atm. the mass density of octane is 0.703 g cm−3

Which of the following statements accurately describes the sign of the work done on the box by the force of the push? a. positive b. negative c. zero