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write a chemical equatin representing the third ionization energy for lithium. use e- as the symbol for an electron
How much ice(in grams) would have to melt to lower the temperature 352ml of water from 25degrees celcus to 5 degrees celcus? ( assume the density of water is 1.0g/ml)
A 62g piece of ice at 0 degrees C is added to a sample of water at 6 degrees C. All of the ice melts and the temp of water decreases to 0 degrees C. How many grams of water were in the sample?
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity
Calculate the pH of 0.500L of a buffer solution composed of 0.20 M butyric acid (CH3(CH2)2)2COOH, Ka = 0.000015) and 0.10 M sodium butyrate, (NaCH3(CH2)2COO).
consider the gaseous reaction at 347 celsius N2+3H2-->2NH3 if 2.00 mole of N2 and 3.00 mole of H2 react, which of the two reactants is the limiting reagent.
Express you answer as a chemical equation. Identify all of the phases in your answer.
Calculate the expectation value for the kinetic energy of the H atom with the electron in 2s orbital. Compare your result with total energy
A 0.100 M sample of NiSO4 gave an absorbance of 0.60 at 600 nm in a 1 cm cuvette. What is the nickel concentration of a solution giving an absorbance of 0.20 in the same cuvetter at the ame wavelength
Calculate the hydronium ion concentration and the pH after the addition of 0.25 mL of 0.10 M HCl to each one. What accounts for the difference in the hydronium ion concentrations
Use the angular overlap model to calculate the energies of both ligand and metal orbitals for trans-[Cr(NH3)4Cl2]+ , taking into account that ammonia is a stronger? donor ligand than chloride, but chloride is a stronger ? donor. Use the 1 and 6 po..
Dinitrogen pentoxide, N2O5, decomposes in the gas phase to form nitrogen dioxide, NO2, and oxygen gas, O2. The reaction is first order in dinitrogen pentoxide and has a half-life of 2.81 hours at 25 C.
What is the mass of one mole of the gas when the density of a gas is 0.0151 g/mL at 150 degrees Celsius and 1.50 atmospheres?
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