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2 Na (s) + Cl2 (g) ---> 2 NaCl (s)
1. Write the oxidation half reaction (insert subscripts and charges in line, i.e. Zn2+ should be written Zn2+. Electrons should be written as e-. Use the "=" for the arrow: Example: Zn = Zn2+ + 2e-)
Tell which of the following compounds is likely to have a dipole moment, and show the direction of each.
Determine the wavelength, in nanometers, of radiation with of 218 kj/mol energy. please show how you came up with answer
If the flow enters the pump in the axial direction, and the volume flow rate is 100 L/s, estimate the power input if the pump is 100% efficient.
complete the balanced reaction if it will occur.state does not occur if the reaction will not take place.make sure that
A titration is performed to determine the amount of sulfuric acid, H2SO4, in a 12.00 mL sample taken from car battery. About 50 mL of water is added to the sample, and then it is titrated with 48.62 mL of a standard 0.6403 M NaOH solution
A buffer is made with 25mL of 1.0 M HC2H3O2 and 25mL of 1.0 M NaC2H3O2. Calculate the theoretical pH. I know the pH is 4.74.
Describe the reaction as endothermic or exothermic, and reversible or irreversible. B) A reaction has Horxn = 5.0 kJ/mol and a forward activation energy, Ea = 55 kJ/mol. What is the activation energy for the reverse reaction?
Predict the approximate chemical shift of the proton resonance signals that you would expect to be most different in the two product.
you have a 30.0 L cylinder of helium at a pressure of 132 atm and a temperature of 24 degrees Celsius. the He is used to fill balloons to a volume of 3.00 L at 1.07 atm and 29 degrees Celsius.
Determine the amount of heat required to raise the temperature of a 153 g bar of gold by 50.0C. (specific heat of gold = 0.128 J/g.C)
When gaseous F2 and solid I2 are heated high temperatuer the I2 sublimes and gaseous iodine heptofloride forms.350 torr of F2 and 4.1 gm of solid I2 are put in to a 2.5 L container at 250k and container is heated to 550k. What is final pressure. a..
A 4.00 solution of was prepared using 1.00 of water at 25.0 . Once the solid had all dissolved, the temperature of the solution was 12.3 . Calculate the heat of solution, , of . Assume that the specific heat of the solution is identical to that of..
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