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Determine the total number of moles of solid sodium hydroxide required to react with 678.00mL of 0.4500M phosphoric acid H3PO4
what would its speed be just before striking the ground? Ignore the effects of air resistance
Molten AlCl3 is electrolyzed for 5 hours with a current of 0.40 ampere. Metallic aluminum is produced at one electrode and chlorine gas, Cl2, is produced at the other.
Explain why the salt of a weak acid, as well as the acid itself, must be present to form a bu?er solution.
Under these conditions, how long would it take for a sample to decompose to 25% of it original concentration?
In a particular photoelectron spectrum using 21.21 eV photons, electrons were ejected with kinetic energies of 10.01 eV, 8.23 eV, and 5.22 eV. Sketch the molecular orbital energy level diagram for the species, showing the ionization energies of th..
Draw the structure of diacetylferrocene. comment on the distribution of the two acetyl groups over the two aromatic rings: are they likely to be on the same ring or on different rings? Clearly explain your rationale.
Determine the half-life of benzoyl peroxide in benzene at 60°C. By how much will the initiator concentration change after 90 minutes of polymerization? Assume kd=2.0x10^-6 L/mol-s
A mixture of .148 moles of C is reacted with .117 moles of O2 in a sealed 10L container at 500K producing CO and CO2. The total pressure is .640 atm. What is the partial pressure of CO?
Which of the following correctly correctly represents hydrogen bonding between methanol and water and why
Which of the following is true about an endothermic reaction?
The Iron(3) ion have five unpaired electrons. In octahedral coordination complexes, it may have either one or five unpaired electrons. Using valence bond theory: 1. Draw and name the hybrid orbital schemes for these two situations
The normal boiling point of chloroform is 61.70 degrees Celsius and Kbp for chloroform is +3.63 degrees Celsius/m.
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