Please, is urgent
the reactions between

H2SO4 and NiSO4 . 7H2O

H2SO4 and CuSO4 . 5H2O

(those are water molecules)

Which statement correctly describes potassium iodide, ki? there is a one-to-one ratio of potassium ions to iodide ions. potassium gains electrons and iodine loses electrons during the reaction. the lattice is held together by potassium anions and iodide cations.

The rules of engagement (roe) working group is often used to (select all that apply.)

Use the drop-down menus to answer each question. which runner finished the 100 m race in the least amount of time? which runner stopped running for a few seconds during the race? at what distance did anastasia overtake chloe in the race?