The longest day of the year occurs during the June solstice for locations in the Northern hemisphere. The causes seasonal variations in day length to all locations outside of the equator. A) spin of the Earth on its axis B) position of the Earth on its path around the sun C) position of the Earth relative to the position of the moon D) tilt of the Earth's axis relative to the plane of the ecliptic

The p sub shell can hold up to 8 electrons in an atom. true or false?

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.

Achemist wants to extract copper metal from copper chloride solution. the chemist places 0.50 grams of aluminum foil in a solution containing 0.75 grams of copper (ii) chloride. a single replacement reaction takes place. (ii) chloride. a single replacement reaction takes place. which statement explains the maximum amount of copper that the chemist can extract using this reaction? a) approximately 0.36 grams, because copper (ii) chloride acts as a limiting reactant b) approximately 1.8 grams, because copper (ii) chloride acts as a limiting reactant c) approximately 0.36 grams, because aluminum acts as a limiting reactant d) approximately 1.8 grams, because aluminum acts as a limiting reactant