How many moles of bromine are needed to react with 36.0 g of aluminum completely? 2A1 + 3Br2 --> 2A1Br3 *
2.0 moles
6.0 moles
8.0 moles
20.0 moles

gag reflex, poor dentition, gum retraction

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these muscles maintain the blood pressure in the vessels. the smooth muscles are innervated by nerves of the autonomic nervous system. when the muscles contract, they cause vasoconstriction of the vessels and increase blood pressure. when the muscles relax, they enable vasodilation of the   blood vessels hence reduce blood pressure.