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17 Nov 2019
Answer each of the following. You must !!!!!! Give the correct symbol for the element characterized by each statement. The period 3 element with 6 valence electrons. The period two element which has one filled and one half-filled subshell. The element having exactly 4 electrons in its n = 4 principal quantum shell. The element which forms a dication with the same electron configuration as the noble gas Kr. Give the full electron configuration, and determine the number of unpaired electrons contained in an atom of phosphorus, P. Determine the heat of reaction for the process Fe_2O_3(s) + FeO(s) rightarrow Fe_3O_4(s) using the information given below: 2Fe(s) + O_2(g) rightarrow 2FeO(s) Delta H degree = -544.0 kJ 4Fe(s) + 3O_2(g) rightarrow 2Fe_2O_3(s) Delta H degree = 1648.8 kJ 3Fe(s) + 2O_2(g) rightarrow Fe_3O_4(s) Delta H degree = 1118.4 kJ
Answer each of the following. You must !!!!!! Give the correct symbol for the element characterized by each statement. The period 3 element with 6 valence electrons. The period two element which has one filled and one half-filled subshell. The element having exactly 4 electrons in its n = 4 principal quantum shell. The element which forms a dication with the same electron configuration as the noble gas Kr. Give the full electron configuration, and determine the number of unpaired electrons contained in an atom of phosphorus, P. Determine the heat of reaction for the process Fe_2O_3(s) + FeO(s) rightarrow Fe_3O_4(s) using the information given below: 2Fe(s) + O_2(g) rightarrow 2FeO(s) Delta H degree = -544.0 kJ 4Fe(s) + 3O_2(g) rightarrow 2Fe_2O_3(s) Delta H degree = 1648.8 kJ 3Fe(s) + 2O_2(g) rightarrow Fe_3O_4(s) Delta H degree = 1118.4 kJ
Bunny GreenfelderLv2
16 Nov 2019