1. What enthalpy change accompanies the reaction below? Is it exothermic or endothermic?[pay attention to the number of each type of compound]
2Al(s) + 3H20(1) - A1,0,(s) + 3H, Q)
Al=0
AL O, = -1675.7
H2O = -285,83
H₂ = 0

05.06 percent yield lab report answers

An atom's configuration based on its number of electrons ends at 3p4. another atom has seven more electrons. starting at 3p, what is the remaining configuration? 3p63d34s2 3p43d54s2 3p64s23d3 3p44s23d

Which statements are true concerning mineral formation? check all that apply. the slower the cooling, the larger the crystals. the faster the cooling, the smaller the crystals. crystals formed from magma are smaller than crystals formed from lava. minerals can only form in solutions when the solution is heated deep underground. when a solution cools, elements and compounds leave the solution and crystallize as minerals. minerals formed from hot water solutions can form narrow channels in the surrounding rock.