How much concentrated 5.24M sulfuric acid is need to prepare 4.4 mL of a 5.29M solution

The big bang nucleosynthesis theory states that elements were produced in the first few minutes of the big bang while elements have their origins in the interiors of stars, forming much later in the history of the universe.

When electrolyzing copper (ll) chloride, what reaction takes place at the anode? what reaction takes place at the cathode?

If two objects at different te, peraure are in contact with each other what happens to their temperature