In each of these equations, identify the element which gets reduced and the element which gets oxidized. Mg + Cu(NO3)2 → Mg(NO3)2 + Cu CuO + H2 → Cu + H2O Cl2 + S → SCl2 6Li + N2 → 2Li3N 2Al + 3CuSO4 → Al2(SO4)3 + 3Cu 3 CaO + 2Al → Al2O3 + 3Ca

Select the correct answer. wax is a nonpolar substance. in which type of substance is it the most soluble?

When hydrogen peroxide (h2o2) is added to potassium iodide (ki) solution, the hydrogen peroxide decomposes into water (h2o) and oxygen (o2). the chemical equation for the decomposition reaction is: 2h2o2—> 2h2o + o2. what is the role of the potassium iodide in this reaction? a. reactant. b. product. c. precipitate. d. catalyst.

The velocity of any object depends upon a) the location of the object. b) the location of the observer. c) which measurement tools are used. d) the relative motion of the observer.