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Determine end value of n in a hydrogen atom if the electron starts in n=4 and atom emits wavelength of 486nm.
what is the molarity of a solution prepared by combining 125mL of 0.251 molar HCl with 250mL of pure water
Write and equation for the reaction of Ba+ with CrO4 2-. Using the eqution you have written, explain how the addition of HCl shifts the equilibrium of the reaction
Compute the % sodium carbonate (MM = 105.99 g/mol) in this sample.
What is the chemical name for CuSO4? a. Copper sulphate b. Copper sulphur oxide c. Copper (II) sulphate d. Copper (I) sulphate
What is the enthalpy of vaporization of acetone (CH3COCH3) at its normal boiling point of 56.2?C? The entropy of vaporization of acetone is 88.3 J/K·mol,Answer in units of kJ/mol
Draw the structure of aspiring and assign each different type of proton(s) a letter. Then assign the letters to their corresponding peak in the NMR spectrum
How much heat is required to vaporize 25.5 g of water at 100 C? The heat of vaporization of water at 100 C is 40.7 rm kJ/mole.
Construct the MO diagram for Cr(CO)5, considering only s donation from the CO ligands. Clearly label all atomic and molecular orbitals. Put in the correct number of electrons. What is the bond order? Is this consistent with the structure?
Cyclic Alkyne reaction with KMnO4 and O3, Molecule 1: 5 carbon ring, carbon 1 has a carbon attached which also is triple bonded to another carbon (this end carbon just has a H attached.)
The first-order decomposition of SO2Cl2 to sulfur dioxide gas and chlorine gas at 320°C has a half-life of 8.75 hr. If one begins with 600. mmHg of pure SO2Cl2 in a 5.00-L flask at 320°C
Moneybags was found dead on the floor of his study. Investigators found an open bottle of scotch on his desk, and a broken glass on the floor near his body
what would the rate constant be at a temperature of 150C for the same reaction described in Part A?
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