Ethyne, c2h2(g) is reacted with chlorine gas to make tetrachloroethane, c2h2cl4(l), which is the refrigerant r-130. predict the sign of delta s for this reaction and explain your reasoning

The answer for this is a

B) movement of materials into and out of the cell

Each calcium ion has a charge of +2, which can also be written as ca2+. if those ions move out of the neuron and no other ions are moving, the neuron would lose the positive charge associated with those ions and become more negatively charged.

The correct answer should be a.