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-Use Coulomb's law to calculate the ionization energy in of an atom composed of a proton and an electron separated by 234.00pm
-What wavelength of light would have sufficient energy to ionize the atom?
For the first one I got 3.7*10^24 kJ/mol but that was wrong
Calculate the initial molarity of Ba(OH)2 and the molarities of Ba2+, OH -, and H3O+ in an aqueous solution that contains 0.70 g of Ba(OH)2 in 0.173 L of solution.
a piece of als at 94degc is placed in 65g of h2o at 28degc. the aluminum cools and after equilibrium the final
What is the maximum mass of S8 that can be produced by combining 80.0g of each reactant? 8SO2+16H2S -> 3S8 + 16H2O
What is the value of Delta S when 2.7g of CH4 is compressed from 29.0 L to 18.0 L at a constant temperature of 100 C?
What is the percent yield of CaO in the reaction CaCO3 yield CaO + CO2 if 5.33 g of CaO are obtained when 10.0 g of CaCO3 are used?
H2S and H2O have simipar structures and their central atoms belong to the same group. Yet H2S is a gas at room temperature and H2O is a liquid. Use bonding principles to explain why.
Correct orders the solubility, from greatest to least, of NaCl in the solvents BF3, H2O, and CH3(CH2)2OH
considering the given equation koh ch3cooh ---gt kch3coo h2o determine the volume of 0.157m solution potassium
what is the pH of NaNO3 what is the pH of HNO3 what is the pH of NH3(aq) what is the pH of (NH4)2CO3 what is the pH of CO2 what is the pH of KC2H3O2 what is the pH of HC2H3O2 what is the pH of KCL
A certain first-order reaction (A->product) has a rate constant of 7.50×10-3 at 45 . How many minutes does it take for the concentration of the reactant, , to drop to 6.25 of the original concentration?
Silicon Carbide is a hard substance used as an abrasive. it is prepared by heating SiO2 and carbon at high temperatures SiO2 + 3C = SiC + 2 CO determine the limiting and excess reactant.
Predict the shape and polarity of each of the following molecules. Assume all bonds are polar: a) a central atom with four identical bonded atoms and no lone pairs. b) a central atom with three identical bonded atoms and one lone pair. c) a centra..
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