Given the standard entropy values in the table, what is the value of `delta"sº"_"reaction"` for the following reaction?

2nis(s) + 3o2(g) → 2so2(g) + 2nio(s)
a. –149 j/mol·k
b. +149 j/mol·k
c. +28 j/mol·k
d. – 28 j/mol·k

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

From the options provided for each element below, choose the properties that it may have based on its location in the periodic table fluorine (f): highly reactive nonmetal shiny a conductor

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