Write down two reasonce structures for the nitrate
Write down two reasonce structures for the nitrate ion (NO2-) and demonstrate the formal charge on each atom in each structure. Do these structures account for the fact that nitrogen bonds are of equal length?
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Determine the number of alkenes products that could reasonably be produced from each of the following compounds under the indicated reaction conditions.
An object of 0.20 kg joined to the end of the string swings in a vertical circle of radius 80 cm. At the top of the circle the speed of the object is around 4.5 m/s. Find out the magnitude of the tension in the string at this position?
At 1 bar and 273.15 K a mole of perfect monatomic gas is allowed to expand adiabatically against a constant pressure of 0.315 bars until it doubles its volume.
The salt-water solution, that has 5% salt and 95% water, is pumped into tank at the rate of 3 gallons per minute. Determine concentration of salt be (as percent) after ten minutes?
When 90% of the mechanical energy of the system is absorbed through the aluminum, determine its temperature raise at the bottom of the incline? (Specific heat for aluminum is around 900 J/kg•°C.)
Consider the substance H2O, H3O+ and OH-; or NH4+ and NH3; or SH- and H2S,and explain the relationship between acid strength and formal charge.
Suppose that light having a wavelength of 550 nm. (Note: The distance from pupil to the retina is around 25.4 mm. Moreover, the space among the pupil and the retina is filled having a fluid having index of refraction n = 1.36).
The only reagents that you have are 6MHCl and 15M NH3. A mixture contains the three cations Ag+, Cu2+ and Al3+ Propose a procedure for the separation of these cations.
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