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Problem- One of the spectral lines in the emission spectrum of mercury has a wavelength of 6.234x10-7m. How much energy is emitted if 1.00 mole of mercury atoms emits light of 6.234x10-7j? Express your answer in KJ/mol. Please Help!!
How do I go about solving this? in parentheses at the end of question it tells me avagadro's?
I am need of complete solution for this problem please help- me out to get right solution
For which of the following would a dipole-dipole interactions play an important role in determining physical properties in the liquid state. a) BF3 b)ClF c) BeCl2 d)F2 e)CCl4
A mixture of three gases has a total pressure of 1,380 mmHg at 298 K. The mixture is analyzed and is found to contain 1.27 mol CO2, 3.04 mol CO, and 1.50 mol Ar. What is the partial pressure of Ar
Boron sulfide (B2S3) reacts violently with water to form dissolved boric acid, H3BO3, and hydrogen sulfide gas. What is the balanced Equation
You are allowed to treat the washed precipitate with one more reagent. By observing what happens when this one reagent is added you should be able to decide, within seconds, what cation is present in your unknown. What one reagent is added
write a balance chemical equation for the combustion of 1 mol glycerin, and calculate delta H for this reaction at 298K if burning 1 mol glycerin has a delta E of -54.6 kj
suppose .015 g of dichlorobenzene was combined with 10 ml ofdiethyl ether. this mixture was used to spot a tlc
Indicicate the coordinaiton number of the metal and oxidation number of the metal as well as the number and type of each donor atom of the ligands for the folloing complexes:
A solution contains .018 mol each of I-, Br-, and Cl-. When the solution is mixed with 200 ml of .24 M AgNo3, what is the [Ag+]? Assume no volume change.
Define when 0.593 g of an unknown solute is dissolved in 14.9 g of water; the freezing point is depressed by 1.74 Celsius degree. Evaluate the molecular weight of the unknown solute, assuming that it is a nonelectrolyte
How much energy is released when 32.4 g of water freezes? The heat of fusion for water is 6.02 kJ/mol
A solution is known to be 23 percent by volume rubbing alcohol (isopropanol) how many milliliters of isopropanol would be in 250 ml of solution
Problem- Explain which LC (Liquid Chromatography) detector (a) can detect temperature change , (b) has highest sensitivity, (c) can detect halogen existence, (d) can be used to identify sulfur content in car's emission gas, (e) and can analyze ele..
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