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The Cl-Cl bond energy is 242 kilo Joule /mole. What wavelength of electromagnetic radiation is necessary to break the bond? In what region of the spectrum does this wavelength appear?
Some factory workers are paid by the hour. Others may be paid on a piecework basis (paid according to the number of pieces or items they process or produce). Is there a power consideration involved in either of these methods of payment? Explain.
-Suppose a small amount lead(II) chloride got into your Ba(OH)2 Sample before your titration,contaminating it. How do you think the contamination would effect your calculated concentration for the sample. What about a small amount of FeCI3.
In the reaction below, 2.41 atm each of H2 and Br2 were placed into a 1.00 L flask and allowed to react: H2(g) + Br2(g) 2 HBr(g) Given that Kc = 52.2, calculate the equilibrium pressure of H2.
Read each statement very carefully to make sure that it is exactly correct. The definition K = E - mc2 is valid even for speeds near the speed of light.
A concentration cell consists of two H2/H+ half cells. Half cell A has H2 at 0.87 atm bubbling into 0.20 M HCl. Half cell B has H2 at 0.40 atm bubbling into 1.3 M HCl. What is the voltage of the cell
A buffer solutions contains .120 M acetic acid and 0.150 M sodium acetate. How many moles of acetic acid and of sodium acetate are present in 50.0 ml of solution ? = 0.0075 moles.
The products of the fastest inactivation process-Explain what mechanism is responsible for the formation of the products.
a how many milliliters of a stock solution of 6.0 m hno3 would you have to use to prepare 110 ml of 0.500 m hno3?b if
Problem- Calculate the concentrations of all species in a 1.00M Na2SO3 sodium sulfite solution. The ionization constants for sulfurous acid are Ka1=1.4x10^-2 and Ka2=6.3x10^-8
Electrolysis can be used to determine actomic masses. A current of .600 amperes deposits 2.42 grams of a certain metal from its salt solution in 1.00 hour. A second experiment shows that the dissolved salt of the metal is in a +1 oxidation state.
What is the pressure in a 10.0- cylinder filled with 0.455 of nitrogen gas at a temperature of 315
A gaseous mixture of O2 and N2 contains 36.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 685 mmHg.
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