Reactant A can participate in both of these reactions:
1) A + B to C + D Delta Grxn= –15.6 kJ
2) A + E to F + G Delta Grxn= –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 the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

The chart shows the bid provided by four contractors to complete a job. which contractor is the most cost-effective?

How many valence electrons are in atom of radon?