One gram of salt in 100 liters of water could be considered a solution.
a. concentrated
b. dilute
c. saturated
d. supersaturated

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F500 j of energy were added to 1 kg of each of these samples, which would experience the least temperature increase?

Aboxcar traveling at 12 m/s approaches a string of 5 identical boxcars sitting stationary on the track. the moving boxcar collides and links with the stationary cars and they all move off together along the track. what is the final speed of the cars immediately after the collision? (you may take the mass of each boxcar to be 18,537 kg.)