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Electron configurations are a shorthand form of an orbital diagram, describing which orbitals are occupied for a given element. For example, 1s^22s^22p^1 is the electron configuration of boron.
Standard Atmos. Pressure is 90.0 atm. What are the Partial Pressures of the Gases in mmHg?
The crystal structure of lithium sulfide Li2S is pictured here. The edge length of the unit cell is 5.88*10^2pm. What is the density of Li2S in grams per cubic centimeter?
if the ethyl alcohol at 35 degree rise through 8.36 cm in a capillary tube of radius 0.20 mm , What is surface tension
CaC2 + 2H2O --> C2H2 + Ca(OH)2. Using this equation, determine how many moles of CaC2 are needed to react completely with 49 g H2O.
A section of membrane with an aquaporin (AQP) has a water transport rate of about 3 billion water molecules per second (3 × 109 molecules·s-1).
Calculate the standard emf of a cell that uses the Mg/Mg2+ and Cu/Cu2+ half cell reactions at 25 deg C. What is the equation for the cell reaction that occurs under standard-state conditions?
An experiment shows that a 247 mL gas sample has a mass of 0.432 g at a pressure of 747 mmHg and a temperature of 28 degrees celcius.What is the molar mass of the gas?
Calculate the equilibrium partial pressures of the reactants and products if the initial pressures are Ppcl5 = .5400 atm and Ppcl3 =.430 atm
From the composition of lignite coal, calculate the mass of sulfuric acid that could potentially form as acid rain from burning
Which of the following changes to a voltaic cell would cause an increase in potential (i.e., more positive Ecell)
Explain why the addition of the HCl or NaOH improves the ability of the azo dyes
What is the molarity of a solution of 14.0 g NH4Br in enough H20 to make 150 ML of solution.
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