Reactant a can participate in both of these reactions:
1) a + b -> c + d deltagrxn = –15.6 kj
2) a + e -> f + g deltagrxn = –20.5 kj

reaction 1 has a much higher rate than reaction 2 under the same reaction conditions. explain this observation in terms of activation energy.

Which of these statements best explains why space exploration should be encouraged? it prepares humans to live without oxygen. it dispel myths about objects in space. it prevents comets and asteroids from striking earth. it creates technology to absorb harmful radiations in space.

What is the most common reason for matter changing its state?

How many moles of co2 are produced during the complete combustion of 3.6 moles of c2h6