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Suppose that a linear Li8 molecule could be formed by combining the 2s orbitals on each atom into delocalized MOs. What is the predicted bond order of the molecule as a whole?
Calculate the dye concentration. (3) 5.00 mL of 0.00500 M ferric nitrate is added to 5.00 mL of nitric acid and 10.0 mL of 0.00250 M thiocyanate solution. Calculate the initial Fe3+ concentration before reaction.
A vessel contains 0.90 g liq H2O in equilibrium with water vapor at 30C. At this temperature, the vapor pressure of H2O is 31.82 torr. What volume increase is necessary for all the water to evaporate
1.write down the electron configuration of the b ion using the noble gas core notation?2.what you will expect for the
2A yields 3B; ?H -50 kJ. If 9 moles of B are formed during this reaction, what was the enthalpy change
How long would it take to count out 1 billion tiny, invisible objects (yes, invisible) from a bottle of these objects if you couldn't even see one with an optical microscope but knew that each one weighed 0.0000001 gram
How many E.Coli cells can fit in the volume occupied by a single eukaryoti cell of a round shape with the diameter 50 um? Assume e.coli is cylinder with a diameter of 0.5um and a hieght of 2 um
At standard temperature and pressure (0 C and 1.00 atm ), 1.00 mol of an ideal gas occupies a volume of 22.4 L . What volume would the same amount of gas occupy at the same pressure and 35 C ? Express your answer numerically in liters.
for a voltaic cell involving pb as the anode and ag as the cathode what would be the initial voltage of the cell if the
magnesium oxide decomposes into magnesium and oxygen. if12.09 g of magnesium oxide decomposes to form7.29 g of
calculate the total volume of gas at 124c and 758mmhg produced by the complete decomposition of 1.45 kg of ammonium
If 0.50 mole H2 and 1.0 mole He are compared at standard temperature and pressure, the two gases will: a. have equal effusion rate
If you wanted to make 150mL of a NaCl solution at a concentration of 1.5%, how would you dilute a 1.0 M solution
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