The thermite reaction involves aluminum and 4'0016 oxide 2A1(s) + Fe,03(s),A1303(s)+2Fe(1) This reaction is highly exothermic, and the liquid iron formed is used to weld metals. Calculate the heat released in kilojoules per gram of Al reacted with Fe203. The Aft, for Fe(t) is 12.40 kJ/mol and 4iff for Fe203 is "-822.2" kJ/mol. The molar mass of Al is 26.98g.

3) in peaches, [oh]=3.16x10-11 m a) find [h+ ] b) what is the ph? c) is the solution acidic, basic, or neutral?

What is the molar mass of a gas that has density of 2.054 g/l

According to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? view available hint(s) according to the valence shell electron pair repulsion (vsepr) theory, a molecule that has four electron groups around the central atom will exhibit what electron geometry? trigonal bipyramidal tetrahedral square planar determination of electron geometry requires information on whether the electron groups are lone pairs or bonding groups.