What volume of chlorine gas, measured at STP, is necessary for the complete reaction of 5.02 g of aluminum? Molar mass: Al = 26.98 g/mol, Cl2 = 70.90 g/mol, AlCl3 = 133.34 g/mol

2 Al(s) + 3 Cl2(g) --> 2 AlCl3(s)

Which is true of chemicals? a. things containing chemicals always cost a lot of money. b. chemicals are never dangerous. c. chemicals are in many substances in a home. d. chemicals are rarely found on earth.

Which description best characterizes the motion of particles in a solid?

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