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A 5ml portion was taken a from a 100ml solution containing a dissolved vitamin tablet . this 5ml solution was diluted to 100ml, next, 10 ml was waken from the diluted solution and further diluted to 100ml, it was determined that this final solution, contaned 85.13 microgram of iron.what was the original mass of iron in the sample?
A chemist found that a certain amount of a CFC gas required 186 seconds to effuse through a porous plug when the pressure was held constant.
A mixture of 0.100 mol of CO2, 0.050 mol of H2, and 0.100 mol of H2O is placed in a 1.00 L vessel and reacts according to the reaction shown below.
solution contains fecl3 0.015 m and naoh 0.010 m. solution of fecl3aq 3naohaq -gt feoh3s 3naclaq gives precipitate
Determine both delta G and K when X represents CL2 and I2. Which reaction(s) is/are spontaneous. Which reaction happens to the greatest extent?
The specific heat of lead is 0.0380cal/g degree celcius. If 47.0 calories of energy raised the temperature of a lead sample from 28.3 degrees celcius to 30.1 degrees celcius.
Which solution will have the larger change in its freezing point: a 0.75 molal solution with water as the solvent or a 0.75 molal solution with naphthalene as the solvent. Calculate delta T for water and delta T napthalene
What are the differences in the procedure that account for Sn(II) being formed in one and Sn(IV) in the other? Try to rationalize why these differences in procedure result in different products being formed
FInd the definition of cross-linking. How does cross-linking change the properties of a polymers
A 5.00 L volume of methane gas is cooled from 300 K to 150 K. If the pressure remains constant, what is the final volume
Are they right if not then what is their outer shell configuration - What is the outer configuration of d subshell
Find the mass of the sugar (C6H12O6) required to produce 1.82 L of carbon dioxide gas at STP from the reaction?
Atmospheric pressure decreases as altitude increases. In other words, there is more air pushing down on you at sea level, and there is less air pressure pushing down on you when you are on a mountain
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