How was urea originally produced in the lab according to the text? concentrated sulfuric acid was accidentally added to sucrose. friedrich wohler was working with ammonium cyanate & found crystals of urea in his breakers. cobalt chloride was added to water, which produced crystals.

How many moles of sulfur dioxide are produced when 4.38 moles of oxygen completely react with iron (iv) sulfide

1) describe the physical layout of the ocean floor ? 2) explain how the dumbo octopus swims differently than other octopus species and why this would be an advantage in the aphonic zone . 3) why are the types of organisms that live at each underwater hot vent so dramatically different ?

Which substance can be broken down by chemical means