How would you prepare a saturated solution of sodium chloride in water at 30°C? What will happen if this solutions is
(1) cooled at 10 °C
(2) heated at 40°C
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The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. ... Velocity is a physical vector quantity; both magnitude and direction are needed to define it.
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