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When 49 mL of a solution containing 3.1 M AlCl3 is diluted to 53 mL, a dilute solution is formed. How many moles of Al3+ ions are contained in 14 mL of the dilute solution?
Calculate the equilibrium concentrations if the initial concentrations are 2.31M N2 and 0.54M O2. (This N2/O2 concentration ratio is the ratio found in air.)
Draw the lewis structure of CH3NCS including all resonance forms. Assign formal charges.
-Determining the molar enthalpy/heat of a reaction, and then how much heat was actually given off in a specific reaction -Finding the increase in temperature of a substance given its gain or loss of heat energy
the R enantiomer and 19.0% of the S enantiomer, what is the enantiomeric excess of the mixture?
What is atmospheric pressure in atmospheres in Denver for heat of fusion=40.6kj/mol at 95 degee celsius
A piece of lead is placed into a graduated cylinder. The level of the liquid rises from 235 to 305 mL. What is the mass in grams of the lead if the density of lead is 11.3g/cm3?
What is the percent yield of a reaction in which 41.5 g tungsten (VI) oxide is combined with excess hydrogen gas to produce metallic tungsten
Compute the structural analysis of the Protein and What order will the following proteins elute from a caution exchange column loaded at pH 6?
what would its speed be just before striking the ground? Ignore the effects of air resistance
What is the pH of a solution obtained by adding 75.0mL of 0.366M CsOH to 250.0 ml Ba(OH)2 solution with a pH of 11.65.
Suppose that the microwave radiation has a wavelength of 12.4cm . How many photons are required to heat 275mL of coffee from 25.0 ?C to 62.0 ?C?
How many milliliters of 0.5 M NaOH are needed to exactly neutralize 100 milliliters of 1 M HCl?
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