How many valence electrons are transferred from the calcium atom to iodine in the formation of the compound calcium iodide?
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Ahorizontal force of 400.0 n is required to pull a 1760 n truck across the floor at a constant speed. find the coefficient of sliding friction.

A980-kg sports car collides into the rear end of a 2300-kg suv stopped at a red light. the bumpers lock, the brakes are locked, and the two cars skid forward 2.6m before stopping.the police officer, estimating the coefficient of kinetic friction between tires and road to be 0.80, calculates the speed of the sports car at impact. what was that speed?

Ln finding the density of liquid why is the method of using a density bottle more accurate than the one of using a measuring cylinder