A voltaic cell consists of a Zn/Zn2+ anode and a Ni/Ni2+ cathode at 25 ∘C. The initial concentrations of Ni2+ and Zn2+ are 1.7 M and 0.12 M, respectively. The volume of half-cells is the same. What is the initial cell potential?

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

What type of radiation is lead emitting in the following equation? alpha particles beta particles gamma rays

Animals that reproduce sexually either do it through external or internal fertilization. read the following statement and decide if it is true or false. birds reproduce through external reproduction which is because the female will then be able to protect the egg.