9:80:1100:?

74. 9 : 80 : : 100 : ?

9: 80 :: 7 :?

9 : 80 : : 7: ?

State whetehr a given pair of terms is of like or unlike terms: 1,100

Evaluate the following (the base in two in each case) 1100times1100

Subtraction: (1100.101)_(2)-(1001.11)_(2)

Estimate the average S-F bond enthalpy in SF_(6) . The values of standard enthalpy of formation of SF_(6)(g),S(g) and F(g) are :- 1100, 274 and 80 kJ mol^(-1) respectively.

Estimate the average S-F bond enthalpy in SF_(6) . The values of standard enthalpy of formation of SF_(6)(g),S(g) and F(g) are :- 1100, 274 and 80 kJ mol^(-1) respectively.