Zn+2HCI→ZnCI2+H2
Is this equation balanced or unbalanced? Explain.

Describe the function of the endomembrane system? what organelles are involved?

Which of the following best describes internal energy? a. the difference between the kinetic and potential energies of the particles in a system b. the sum of the kinetic and potential energies of the particles in a system c. the sum of the kinetic and thermal energies of the particles in a system d. the difference between the kinetic and thermal energies of the particles in a system

Is the vertical component of velocity ever zero?