(a) Balanced ionic equation for the reaction between Sulphur dioxide gas bubbled through acidified potassium dichromate (VI). (b) State the change in oxidation number in any one identified reagent in the reaction.

Which of the following is a compound? a.carbon b.oxygen c.hydrogen d.water

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d

Consider the following multistep reaction: a b→ab(slow) a ab→a2b(fast)−−−−−−−−−−−−−−−−− 2a b→a2b(overall) based on this mechanism, determine the rate law for the overall reaction. express your answer in standard masteringchemistry format. for example, if the rate law is k[a]3[b]2 type k*[a]^3*[b]^2