What is the voltage of an electrolytic cell with zinc and aluminum electrodes? O A. -2.44 V
B. -0.92 V
C. 2.44 V
O D. 0.92 V

Sylvanite is a mineral that contains 28.0% gold by mass. how much sylvanite would you need to dig up to obtain 77.0 g of gold? explain how you got your answer and the steps you took. you

Which best describes how johannes kepler developed his laws of planetary motion

In an investigation that uses the scientific method, which step immediately follows making a hypothesis? o summarizing the results o asking a question o making observations designing an experiment mark this and retum save and exit next submit