The gas phase reaction between methane and that diatomic sulfur is given by the equation CH4 + 2 S2 ——> CS2 + 2 H2S At 450°C The rate constant or the reaction is 3.1 M -1 s-1 and at 645°C the rate constant is 6.8M -1 s-1. Using these values, calculate Ea for this reaction

You encounter a solution that is acidic and you decide to test it by adding a small amount of a strong acid. the ph lowers slightly but is approximately unchanged, and still remains acidic. what can you say about the solution? a. it is a buffer solution. b. it is not a buffer solution it is a strong acid solution. d. the solution has been neutralized. e. the solution has excess acid present

Which compound contain an iron with a 3+ charge

Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone,due to its high light availability and warm water temperature