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An oxide of iron is found to be 77.75% iron by mass. Determine the empirical formula for this compound and name it.
Benzene, phenol and benzaldehyde. Which of these would you predict to be the most reactive toward an electrophile? Briefly explain.
How many grams of water would you add to 1.00 kg of 1.34 m CH3OH to reduce the molality to 1.00 m CH3OH
Write the balanced molecular, total ionic and net equations and names of the ionic compounds expected from the double replacement reaction of potassium phosphate and molybdenum(VI) chloride.
An Nd:YAG laser emits photons at 1064 nm in a pulse of 5.0 ns duration with a total energy of 300 mJ. What is the power (energy per time) associated with such a pulse. How many photons are emitted in such a pulse.
The minority carriers that are thermally generated within the diffusion length from the reve rse·biased junction are collected by the junction and are responsible for the reverse-leakage current. Rewrite in a way that justifies this interpretation..
Name a nonmetal that is likely to take one electron from a reactive metal.
The temperature of the calorimeter increased from 25.4 to 40.2 degrees C. The specific heat is 4.184J/gC and the calorimeter constant is 289 J/C. Determine the specific heat of the glass beads.
Problem- Which of the following compounds exhibit at least one bond angle that is approximately 120o? Select "true" if the molecule has a bond angle of approximately 120o. Otherwise, select "false".
A reaction mixture initially contains .56 atm CO2 and .32 atm CO. what is the equilibrium pressure of CO
What is the pH at equivilance point? c. What is the pH of the solution when 106.4mL of 1.721 M NaOH has been added to the 0.591 M acetic acid solution?
Show by equations analogous to those in problem 1 how branching may arise in the free-radical polymerization of isoprene (CH2-C(CH3) CH-CH2) initiated by di-t-butyl peroxide even in the absence of chain transfer. How do you think the presence of d..
How much energy in kilojoules is required to convert 100 mL of diethyl ether at its boiling point from liquid to vapor if its density is 0.7138 g/mL.
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