Could someone please help me out? I'm really struggling. What are the half reactions for an electrolytic cell with aluminum and gold electrodes?

Consider the nuclear equation below. 239/94 pu—-> x+ 4/2 he. what is x?

What is conserved in the reaction shown below? h2(g) + cl2 (g) --> 2hcl(g)a. mass onlyb. mass and moles onlyc. mass, moles, and molecules onlyd. mass, moles, molecules, and volume

Awoman's basketball has a circumference between 28.5 and 29.0 inches and a maximum weight of 20 ounces (two significant figures). what are these specifications in units of centimeters and grams?