How many manganese atoms are in 4.027 g sample of manganese(iii) oxide?

The gulf stream is a warm water current that flows away from the equator to northern europe. witch of these does it cause. a. crashes of warm and cool water in the ocean b. colder climates near the equator c. large waves on the cost of europe d. warm climates in northern europe

Write and balance the chemical equation that represents the reaction of aqueous sulfuric acid with aqueous sodium hydroxide to form water and sodium sulfate. include phases.

Draw the aromatic compound toluene (methylbenzene). show all hydrogen atoms, including those on the ring.