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How many grams will remain after 98.0 days if Phosphorus-32 has a half-life of 14.0 days Starting with 6.00g of ,?
How many liters of HCl is needed to completely neutralize the base if You are given 25 mL of 0.189438 M sodium acetate (NaC2H3O2) which has a pKb of 9.25 and are asked to titrate 0.2 M HCl into the solution also determine the final pH of the solution?
Determine theoretical yield, limiting agent and excess reagent - How much excess reagent remains after the reaction goes to completion
A buffer solution containing 0.25 M Acetic acid and 0.56 m Sodium acetate. After addition of 0.0060 mol HCL what is Ph of buffer.
Write balanced chemical equations for the following reactions.
Calculate kc for the reversible reaction and determine what is the activation energy
How many moles of S8 are needed to make 0.600 moles of SF4? S8 + 8 Cl2 = 8 SCl2 ; 3 SCl2 + 4 NaF = SF4 + S2Cl2 + 4 NaCl
can you find out the name and formula of the unknown compound and determine the identity of the element?
Chemical Kinetics - Determine the time taken by a reactant to reach a particular concentration
Determine how many grams of copper sulphate are there in 219 grams of an aqeous solution that is 20.2% by weight of copper sulphate?
Determine the ion notation for an atom with 18 electrons and 20 protons
Using an aqueous solution of Ba(NO3)2 the density of this solution is measured to be 3.640g/ml and this solution containing barium nitrate mole fraction of 0.01704. compute the molarity of this solution?
What is the probability of populating the first excited vibrational state (n = 1) at 298 K? Does isotopic substitution affect the probability? Would the intensity of absorption peaks be affected by isotopic substitution?
Chemistry of Proteins and Hemoglobin - What is the effect of the following changes on the O 2 affinity of hemoglobin?
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