What mass in grams of PCl5 will be produced from 0.25 moles of PCl3 and excess chlorine gas?

Using complete sentences, explain how to predict the products and balance the reaction between sulfuric acid and potassium hydroxide.

The blackbody curve for a star name zeta is shown below. what is the peak wavelength for this star ?

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