How many milligrams of mgi2 must be added
How many milligrams of MgI2 must be added to 250.0 mL of 0.0876M KI to produce a solution with [I-]=0.1000 M? Note that this assumes no volume change upon addition, probably not abad assumpution for such a small amount.
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You have 750 g of water at 10.0 C in a large insulated beaker. How much boiling water at 100.0 degrees C must you add to this beaker so that the final temperature of the mixture will be 75 degrees C?
Fe + 2HCl = FeCl2 + H2 A piece of metallic iron (10 moles) was dissolved in concentrated hydrochloric acid. The reaction formed hydrogen gas and iron chloride. How many grams of HCl were consumed?
The density of the material is 1500 lb/ft3. The object falls in rotation about point O from a horizontal to a vertical position. How much work is done on the object?
An aluminum rod has a resistance of 1.234 4 at 20.0°C. The rod is cooled down to 20 C. And at that temperature it is stretched to twice its length at 20C. Find the new value of the resistance of the rod.
Find the equivalent capacitance of three capacitors C(1) = 5.0 uF (micro F), C(2) = 10 uF (micro F), and C(3) = 12 uF (micro F), when they're in parallel.
Given: temperature of the hot loop Tin=36.70C Tout=73.738C, Hot flow. Find amount of heat generated by ideal combustion of fuel ( Type 2 oil heating value: 139400 Btu/gal)
The ball is replaced in the urn along with another ball of the same color. A second ball is then drawn from the urn. Given that the second ball drawn is white, what is the probability that the first ball drawn was also white?
The bell-crank mechanism consists of a bent rod and an attached 5-kg weight. Find the spring constant, k and damping coefficient.
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