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The quantum states available for gas atoms of energy ? in a cubical box of length L correspond to integer values for each nx, ny and nz, according.
In a three-dimensional Euclidean space with coordinates nx, ny and nz, each unit volume will contain one quantum state.
The total number of quantum states g with energy less than f is equal to the volume of the positive octant of a sphere of radius r = L(8m?i)½/ h.
(a) Show that
g' = (4ΠV(2m∈')3/2) / (3h3)
(b) In a volume of 1 cm3 of helium gas at 300 K and 1 atm pressure, ? is about 10-5 J. Calculate g.
(e) Calculate the number N of helium atoms. (d) Show that g.
The white precipitate obtained when cold HCl was added to an unknown solution was completely insoluble in both hot water and NH4OH
Using the calibration equation and the absorbance you measured for the prepared sample, calculate the ferroin concentration. Show your work and don't forget to include units.
Use the octet rule to predict the formula of the simplest compound formed from hydrogen and phosphorus.
A chemist makes up a solution of 0.375 mol Na2CO3, 0.125 mol Ca(NO3)2, and 0.200 mol AgNO3 in 2.000 L of water solution. Calculate the molarities of each ion left in the solution after mixing
An automobile gasoline tank holds 21 of gasoline. When the gasoline burns, 84 of oxygen is consumed and carbon dioxide and water are produced. What is the total combined mass of carbon dioxide and water that is produced?
What mass of heptane, C7H16, is required to produce 90.2 kJ of heat at constant pressure from its combustion in excess oxygen
What structual difference allows the sepeartion of eugenol from acetyl eugenol
State the balanced molecular, complete ionic and net ionic equations for each of the subsequent acid-base reactions HNO3(aq) +Al(OH)3(s)
Using activity coeffient, calculate the pH of a 0.001M HCl solution. If you add a 0.010M solution of NaCl to this solution, will the pH increase, decrease or remain the same
What is the percent yield of a reaction in which 216 g phosphorus trichloride reacts with excess water to form 134 g HCl and aqueous phosphorus acid (H3PO3)
(1) Consider the following pairs of substances. Think about the physical behavior of these substances if each pair were placed together in a separate container. Explain what would occur for each set and why.
Given the reactant side of the total ionic equation for the neutralization reaction of potassium hydroxide KOH with hydrochloric acid HCl, write the total ionic equation (also known as the complete ionic equation) by entering both the reactant and..
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