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How do I know which specific orbital loses an electron in the third ionization step for the Be atom?
What problems might arise if a hot solution is filtered by vaccum filtration. What is meant when aniline is referred to as the "limiting reagent" in the reaction with acetic anhydried
ground state absorbs 2.50 times as much energy as the minimum required for it to escape from the atom. Calculate the deBroglie wavelength of the emitted electron
a 155 gram sample of copper was heated to 150 degrees celsius then placed into 250 gram of water at 19.8 degrees
In a plant fossil, you find that the C^14 has decayed to 1/16.0 of the original amount. How long ago was this plant alive? Express your answer numerically in years.
Mass(volume)of cold water:75.0g Temperature of cold water: 23.0 degree celsius Mass(volume) of hot water: 75.0g Final temperature: 41.1 degree celsius find the temperature change and the calorimeter constant.
Find reactant and product information, Balance the following reaction: Mn + HCl --> MnCl2 + H2, If you have 100g of Mn and 100g of HCl find
If we attemp to add a second nitogroup to methyl m-nitrobenzoate, would the reaction be faster or slower than the first nitration
Nitrogen dioxide reacts with water to produce oxygen and ammonia; 4NO2(g)+6H2O(g)-->7O2(g)+4NH3(g). At a temperature of 415 degrees C
For the reaction A + B C, the rate constant at 215 degrees C is 5.0 X 10^-3 and the rate constant at 452 degrees C is 1.2 X 10^-1 a) What is the activation energy in kJ/mol?
What is the pressure of the excess gas when the reaction is complete if 5g of H2 and 10g of O2 react in a 15L container at a constant temp of 25 degrees C? I understand
The pH at the ½ neutralized point in the titration of a weak acid is 6.824. What is the pKa of this acid
Which of the following is correct regarding an acid-base conjugate pair. a. The conjugate base will have one less proton and one less negative charge. b. The conjugate acid will have one more proton and one less positive charge.
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