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Question: What are ionization energy of actinides?
Calculate the ratio of HCL molecules in the first excited rotational state to those in the ground state @ 25 C. Assume an equilibrium bond distance of 1.275 angstroms.
Consider the voltaic cell , which is based on the following cell reaction. Zn(s) + Cu2+(aq) Zn2+(aq) +Cu(s) Under standard conditions
Write a first draft summary summarizing the properties of each of the following groups Group 4A, Group 5A, Group 6A and Group 7A.
What volume of an HCL solution with a pH of 1.3 can be neutralized by one dose of milk of magnesia
A gas is heated from 14 degrees celsius to 121 degrees celsius and the volume increased from 15.0 liters to 41.4 liters. If the original pressure is 1 atm, what would the final pressure be?
What would be the value of the change in concentration of C10H12/change in time during the same period of time? Explain why a catalyst for a forward reaction must also be a catalyst for the reverse reaction. Include an energy level diagram
Methyl alcohol (CH3OH) is made by reacting carbon monoxide with H2. Starting with 2.5 g of H2 and 30 L of CO, what mass of methyl alcohol could be produced at STP? which is the limiting reactant?
Explain How to compute the number of grams of calcium chloride that can be prepared from 4.25 grams of calcium. Ca(s) + HCl -> CaCl2(aq)+H2(g) (unbalanced)
How many liters of hydrogen gas are collected over water at 20°C and 725 mmHg when 0.75 g lithium reacts with water? Aqueous lithium hydroxide also forms.
Question- The number of polypeptides that can be formed from n amino acids is n!, n factorial, which is 1 • 2 • 3 • ... • n. How many polypeptides could b e formed from 4 amino acids? From 5? From 6?
Draw a mixer with three streams. write the mass balance for the unit. Assume three different components
Compute the pH of a buffer solution that contains 0.0020 M carbonic acid and 0.025 M hydrogen carbonate ion. Explain the Ka for carbonic acid is 4.17 x 10(-7).
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