G has the most kinetic energy?? A:car traveling at 80 kph. B:tractor-trailer traveling at 80 kph. C:cheetah running at 80 kph . D: motorcycle traveling at 80 kph .

Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2al(s)+3cl2(g)→2alcl3(s) what is the maximum mass of aluminum chloride that can be formed when reacting 32.0 g of aluminum with 37.0 g of chlorine? express your answer to three significant figures and include the appropriate units.

Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?

Will mark brainliest26. which of these statements are true? (3 points)a. gases are compressibleb. gases fill their containers completelyc. the pressure of a gas is independent of the temperatured. gases have masse. gases exert pressuref. the pressure of a gas is dependent on the volumeg. gas pressure results from the collisions between gas particlesh. gases have a definite volume and shape