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Show the orbital-filling diagram for rm N (nitrogen). Stack the subshells in order of energy, with the lowest-energy subshell at the bottom and the highest-energy subshell at the top.
She pours a 50.0 mL sample of water at 345 K into the calorimeter containing a 50.0 mL sample of water at 298 K. She carefully records the final temperature of the water as 317 K. What is the value of Ccal for the calorimeter?
When an ionic solid is added into a solvent, you can see that the ionic solid dissociates into its respective cations and anions. The solvent molecules immediately cluster around the ions.
Given N2 (g) + 3 H2 (g) ? 2 NH3 (g), which scenario will allow you to eventually reach an equilibrium mixture involving these chemicals? Place only H2 into a sealed vessel. Place only N2 into a sealed vessel. Place only NH3 into a sealed vessel.
It is desired to produce an aqueous solution of pH=8.75 by dissolving one of the following salts in water at 298 k. Which salt would you use and at what molar concentration?
2 components mixture give the tlc shown when 1:1 mixture of hexanes:ethyl acetate is used as the developing solvent which components is more polar and how can you tell?
Nitrogen dioxide reacts with water to produce oxygen and ammonia; 4NO2(g)+6H2O(g)-->7O2(g)+4NH3(g). At a temperature of 415 degrees C
A sample of iron absorbs 67.5 J of heat, upon which the temperature of the sample increases from 21.5 celcius to 28.5 celcius. If the specific heat of iron is 0.450 J/g-K, what is the mass (in grams) of the sample
What is the final volume in milliliters when 0.780 of a 39.7 (m/v) solution is diluted to 25.0 (m/v)? Express your answer numerically in milliliters.
HCL and heat to do the normal lab, if the solubities of reactant and product were reversed thou , how would the isomerization be followed. How would one knows when it is complete
A gas occupies a volume of 480 mL at 127 degrees celsius and 148 mmHg. What mathematical expresssion will yield the correct volume at 177 degrees celsius and 400mgHg?
classify each solute represented in the following equations as a strong, weak, or nonelectrolyte: a)CH3-OH(l) H2O> CH3-OH(aq). b)MgCl2(s) H2O> Mg2+(aq) + 2Cl-(aq). c) HClO(aq) H+(aq) + ClO-(aq)
A sealed container holding 0.0255L of an ideal gas at 0.983 atm and 71C is placed into a refrigerator and cooled to 37C with no change in volume
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