1) When dissolved beryllium chloride reacts with dissolved silver nitrate in water, aqueous beryllium nitrate and silver chloride powder are made. BeCl2(aq) + 2 AgNO3(aq) Be(NO3)2(aq) + 2 AgCl(s) 2) When isopropanol (C3H8O) burns in oxygen, carbon dioxide, water, and heat are produced. 2 C3H8O(l) + 9 O2(g) 6 CO2(g) + 8 H2O(g) = negative H 3) When dissolved sodium hydroxide reacts with sulfuric acid, aqueous sodium sulfate, and heat are formed. = negative H 2 NaOH(aq) + H2SO4(l) Na2SO4 + 2 H2O(l) 4) When fluorine gas is put into contact with calcium metal at high temperatures, calcium fluoride powder is created in an exothermic reaction.  = negative H F2(g) + Ca(s) CaF2(s) 5) When sodium metal reacts with iron (II) chloride, iron metal and sodium chloride are formed. 2 Na(s) + FeCl2(s) 2 NaCl(s) + Fe(s)
1) When dissolved beryllium chloride reacts with dissolved silver nitrate in water, aqueous beryllium nitrate and silver chloride powder are made. BeCl2(aq) + 2 AgNO3(aq) Be(NO3)2(aq) + 2 AgCl(s) 2) When isopropanol (C3H8O) burns in oxygen, carbon dioxide, water, and heat are produced. 2 C3H8O(l) + 9 O2(g) 6 CO2(g) + 8 H2O(g) H = negative 3) When dissolved sodium hydroxide reacts with sulfuric acid, aqueous sodium sulfate, and heat are formed. 2 NaOH(aq) + H2SO4(l) Na2SO4 + 2 H2O(l) H = negative 4) When fluorine gas is put into contact with calcium metal at high temperatures, calcium fluoride powder is created in an exothermic reaction.  F2(g) + Ca(s) CaF2(s) H = negative 5) When sodium metal reacts with iron (II) chloride, iron metal and sodium chloride are formed. 2 Na(s) + FeCl2(s) 2 NaCl(s) + Fe(s)