Aluminum metal reacts with bromine. The reaction is vigorous and produces aluminum bromide. A sample of 27.0-g of aluminum produces 53-g of aluminum bromide. How much bromine was used in the reaction?

Based on the position vs. time graph which velocity vs. time graph would correspond to the data

Check the correct box to describe the periodic trends in electronegativity. electronegativity across a period: decreases. increases. electronegativity down a group: decreases. increases.

Why is soap used to remove grease? a. its nonpolar end dissolves the grease. b. it makes the water bond with the grease. c. it chemically bonds with the grease. d. its polar end dissolves the grease.correct answer for apex - a, its nonpolar end dissolves the grease.