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Calculate the maximum work for the following cell if 88.9 g of Cl2 are produced and the emf is 0.520 V:
2 BaCrO4 + 16 H3O+ + 6 Cl- 2 Ba2+ + 2 Cr3+ + 3 Cl2 + 24 H2O
-3.77E+5 J-1.26E+5 J3.77E+5 J-2.10E+4 J2.10E+4 J
Identify the major attractive force between each of the following atoms or molecules: a) He; b) HBr; c) SnH4; d) CH3-CH2-CH2-OH.
Show how many µL of protein sample you will take and add with the desired volume of DTT and Laemmli buffer to make the right concentration of sample.
When adding ethylene glycol to your cooling system, it is usually mixed 50:50 by volume. This will prepare a 52.7 mass % solution. Convert this concentration to molality and predict the freezing point depression
What is the pressure of a 10g sample of sulfur trioxide in atmospheres at a temperature of 20 degrees Celsius that has a volume of 50L
Use the Rydberg equation to calculate the wavelength in nanometers of the spectral line of hydrogen for which n2 = 4 and n1 = 2.
calculate the concentrations of all species in a .890 m sodium sulfite solution. the ionization constants for sulfurous acid are ka1= 1.4x10^-2 and ka2=6.3x10^-8
Refer to the Galvanic cel below (the contents of each half-cell are written beneath each compartment): 0.10 M MnO4- 0.40 M Cr3+
If a raindrop weighs 65 mg on average and 5.1 105 raindrops fall on a lawn every minute, what mass (in kg) of rain falls on the lawn in 1.5 h?
If the ethane is burning at the rate of 0.20 mol/L.s, at what rate are CO2, and H2O being produced?
We have learned that valence bond theory helps us to predict s and p bonding in molecules. All of the following statements about molecular bonding are true, but which statement best summarizes the most basic premise for bonding in a molecule?
Calculate the number of moles and the number of grams of the indicated solutes present in each of the following solution samples.
The mass of 322 mL of hydrogen gas at 4.0 atm and -73°C is 1.21 grams. What is the density of hydrogen gas at STP?
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