What will happen when a piece of magnesium metal is dropped into a beaker containing a l M solution of copper(1) chloride? Mg2+ + 2e = Mg(9) P = - 2.37 V
Cu2+ + 2e → Cu(9) ° = + 0.34 V
A. The magnesium will dissolve but nothing else will happen.
B. The magnesium will dissolve and the copper will be deposited
C. The copper will dissolve and the magnesium will be deposited
D. The magnesium will dissolve and chloride gas will be produced E. There will be no reaction,

Y=‐1x + 7 if y has a value of ‐24 what is the value of x?

Which characteristics can be used to differentiate star systems? check all that apply.

Can anyone explain 1. review your spectrometry data and use the known elements to identify the star's composition. which unknown elements make up this star? justify your element selections. 2. in parts i and ii of the lab, what happened to the electrons of each element to produce the different colors of light? explain your answers using important terms from the lesson and information provided in the laboratory. 3. stars composed of heavier (more massive) elements are often slightly older than stars made predominantly from hydrogen and helium. based on your data, is the newly discovered star a younger star? explain your answer.