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Both of the sulfur-oxygen double bonds in SO_2 are polar. In which direction should the polarity arrows point? Both of the sulfur-oxygen double bonds in are polar. In which direction should the polarity arrows point? a) to the right b) to the left c) toward the central sulfur atom d) away from the central sulfur atom
The solubility of I2 (s) in .100 M KI solution at 25 degrees celcius is .05135 moles per liter. The .1 M NaN03 provides the same ionic environment as .1 M KI. From this information calculate the concentration of I3-, I-, I2 in the latter solution ..
Menthol, the substance we can smell in mentholated cough drops, is composed of C, H, and O. A 0.1307?mg sample of menthol is combusted, producing 0.3678mg of CO2 and 0.1507mg of H2O.
How many joules are required to raise the temperature of 80g of iron from 20 degrees celsius to 70 degrees celsius?
Different manufacturers claim to have the best antacid. Which of the following tablets would neutralize the most acid for the money
An ideal gas at 300K has an initial pressure of 15 bar and is allowed to expand isothermally to a pressure of 1 bar. Calculate the maximum work that can be obtained from the expansion
Calculate the freezing point of 0.15 m calcium chloride aqueous solution. Assume that the molal freezing point depression constant of water
A voltaic cell SIMILAR to that shown in Figure 20.5 is constructed. One electrode compartment consists of a silver strip placed in a solution of AgNO3,
use the van der waals equation to calculate the pressure of 4.21L CO(g) at 300°C. (a= 1.472 bar L^2mol^-2 and b=0.0395L mol^-1)
Find the pH solution & Hydronium ion concentration and What is the pH of a solution of 0.17 M acid and 0.81 M of its conjugate base if the pKa = 8.62?
What is the pressure of a container that has 7 atm pressure coming from O2, 2 atm of pressure coming from N2, 3 atm of pressure coming from CO2?
At what temperature would the population of the first rotational level of HCl be 1/e times the population of the ground state? Rotational constant for HCl, B, is equal to 10.59 cm-1.
Sodium atoms emit light with a wavelength of 330 nm when an electron moves from a 4 p orbital to a 3 s orbital. What is the energy difference between the orbitals in kilojoules per mole?
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