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Give two examples of atoms or elements that exhibits resonance hybrid structures.
Part A: Use Coulomb's law to calculate the ionization energy in kJ/mol of an atom composed of a proton and an electron separated by 221.00 pm. Part B: What wavelength of light would have sufficient energy to ionize the atom
If you have 100 ml of pure water and add to it 10 ml of 2.0M HNO3, what will be the pH of the final solution
Lactic acid (abbreviated HL) is made into a 0.100 M solution whose pH = 2.44. What is the ka for HL
3.00 moles of Helium gas at 25.0 degrees C and 744 mmHg will occupy what volume A)67.2L B)75.0L C)22.4 L D)6.16 L E)6.03 L
a sample of H2O with a mass of 46.0 grams has a temperature of -58.0 C. how many joules of energy are necessary to heat the steam from 100.0 degrees Celcius to 114.0 degrees celcius if the specific heat of steam 2.01J/g degrees celcius.
consider the decomposition of liquid benzene to gaseous acetylene according to the following reaction C6H6=3C2H2 what is the delta H for the formation of 1 mole of acetylene?
The equilibrium constant Kc is 3.18E-3. Find the percentage of phosgene that dissociates at this temperature when 7.70 mol of phosgene is placed in a 29.3 L vessel.
Draw the organic product(s) of the reaction of p-methylbenzoic acid with aqueous sodium hydroxide
All substances are in the gas phase. If 0.461 atm of nitrogen and 0.611 atm of hydrogen react, what is the partial pressure of ammonia (in mmHg) when this reaction goes 69.3 complete. The volume and temperature are constant.
A solution is made by dissolving 0.150 moles of benzoic acid (ka=6.5*10^-5) and 0.300 moles of sodium benzoate in enough water to give exactly 1.00 L of solution what is the solution pH
An aqueous solution containing 35.5 g of an unknown molecular (nonelectrolyte) compound in 156.3 g of water was found to have a freezing point of -1.4C. calculate molar mass of unknown compound
The cobalt(II) ion, Co^(2+), is especially responsive to magnetic fields, more so that Co^(1+) and Co^(3+). Why
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