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When determining the major contributor for a resonance structure, is it better to have a carbocation (positive charge on a carbon but without a complete octet) or is it better to have a positive charge on an electronegative atom like oxygen? I have to choose which one of these is the major contributor and I know incomplete octets aren't great but I also know putting a positive charge on an electronegative atom isn't wonderful either
how many grams of zinc metal will react with 24.5 ml of 2.0 m hydrochloric acid hcl forming zinc chloride zncl2?
Hsolution for neutralization of HCl(aq) and NaOH(aq): Volume of HCl: 0.050 L Volume of NaOH: 0.050 L Volume total: 0.10 L Molarity of HCl: 1.99 M Molarity of NaOH: 1.99 M ?T for reaction B: 12°C Calculate the value (calories) for the heat of react..
what volume of hydrogen gas measured at stp would result from reacting 75.0g of sodiumnbsp hydroxide with 50.0g of
A sample of N2 gas occupies 2.40 L at 20°C. If the gas is in a container that can contract or expand at constant pressure, at what temperature will the N2 occupy 4.80 L
An excess sample of solid Ag2SO3 is added to 100 mL of water. After equilibrium is achieved between the solid and its aqueous ions the silver ion concentration is found to be 2.486e-05 Use this information to find Ksp for Ag2SO3
Vibrations: A certain diatomic molecule vibrates with a characteristic frequency v= 2.45x10^9s^-1 (these are microwaves). Calculate the relative population of the ground state and first excited state at 1K.
What two atomic orbitals or hybrid atomic orbitals overlap to form the CC bond in ethylene
an automobile gasoline tank holds 47 kg of gasoline. when the gasoline burns 165 kg of oxygen are consumed and carbon
The other criterion is very basic and relates to whether simple or fractional is selected
The atmospheric pressure in New York City on a certain day was 768 mm Hg. What was the pressure in kPa
Calculate the reaction quotient Qc and find out at which temperature and
When aqueous HCl neutralizes benzoate anion, one of the actual acid species present is the hydronium ion, H3O+. Which is the more prevalent acid, HCl (pKa = -2.2) or H3O+ (pKa = 1.74). Write an equation that shows how H3O+ forms from HCl.
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