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Write the electron configuration of Ni. Using the configuration, predict which electrons the atom will most likely lose when it forms Ni2+ and Ni3+. Explain.
Compounds in a and b were named incorrectly. On a sheet of paper draw the molecule that fits the given description. From the structure you drew determine the correct IUPAC name. Write the correct IUPAC name in the blank.
The excess HCl in the solution required 94.9 mL of 0.128 M NaOH for complete neutralization in a titration. What was the molecular formula of the white substance
what is the percent of ethanol in the vodka, based on the concentraion od Cr^3+. PLEASE I AM so stuck! HELP this is the formula used 16H^+ + 3CH2CH2OH + 2Cr2O7^2- = 3CH3CO2H + 4Cr^3+ + 11H2O.
Question- Consider two cells, the first with Al and Ag electrodes, and the second with Zn and Ni electrodes, each in appropriate 1.00 M solutions of their ions.
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The nitrogen gas above was collected over water, the volume of 'wet' nitrogen produced at 23C and 99.5kPa was 14.81mL. Explain what was the percentage yield. The vapor pressure of water at 23C is 2.81kPa
Describe solids, liquids, and gases in terms of how they fill a container, Use your descriptions to identify the physical state ( at room temperature) of the following: 1.helium in a toy balloon. 2. mercury in a thermometer. 3. soup in a bowl
When doing a recrystallization, why is it important to allow the saturated solution to boil for ~1 minute and cool SLOWLY to room temperature before placing it in an ice-water bath?
For a certain metal the enthalpy of freezing is -55.3 kJ/mol as well as the absolute entropies of the solid as well as liquid metal are 23.6 and 73.2 J/K.mol, Correspondingly, at the melting temperature. Compute the melting point of the metal (in ..
an ice cube tray holds 515 g water. if the water initially has a temperature of 21degc how many kilojoules of heat must
A certain reaction has a delta H = -75 kJ and an activation energy of 40 kJ. A catalyst is found that lowers the activation energy of the forward reaction by 15 kJ. What is the activation energy of the reverse reaction in the presence of this same..
you take an unknown solution and measure 1ML of it into a flask. You dilute it with 25mL of water and 10mL of H2SO4. You titrate the solution with 19.80 mL of KMnO4. The (MnO4)- is reduced to (Mn) 2+ by the unknown solution.
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