Suppose reaction A has a AH of -200 kJ and reaction B has a A Hof -100kJ.
If reaction C can be written as the sum of reaction A forward and reaction
B reversed, what is the AH for reaction C?
-300 kj
-100 kJ
+300 kJ
+100 kJ

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

Paul’s car is 18 feet long. he is making a model of his car that is 1/6 the actual size. what is the length of the model?

Astudent must have an average on five test that is greater than it equal to 80% but less than 90% to receive a final grade of b. devon's greades on the first four test were 78% 62% 91% and 80% what range if grades on the fifth test would give him a b in the course? ( assuming the highest grade is 100%)