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Calculate the ph at the equivalence point for titrating 0.170 solutions of each of the following bases with 0.170 M HBr.
a) hydroxylamine (NH2OH)
b) aniline (C6H5NH2)
What mass of Ag2CO3(s) in grams is theoretically produced by mixing 125 mL of 0.315 M Na2CO3(aq) and 75.0 mL of 0.155 M AgNO3(aq)?.
a 6.0-g sample of [Ni(H2O)6]Cl2 is dissolved in aqueous solution. If an excess of ethylenediamine (en) is added to the solution, solid [Ni(en)3]Cl2*2H2O forms. What is the theoretical yield of product from the reaction?
55.0 calories of heat are added to a small lead block. If the temperature of the lead increases from 27.0°C to 59.2°C, what must be the mass of the lead block?
What is the reaction mechanism (detailed with arrows) for trans-cinnamaldehyde when reacted with benzyltriphenylphosphonium chloride?
Find the Diffusivity of Ammonia gas(A) in a mixture of nitrogen(B) and hydrogen(C). D(AB)=3.28x10^(-5)m2/s and D(AC)=1.093x10^(-4)m2/s.
Illustrate with a net ionic equation for each of the following how the pH would increase, decrease, or stay the same with the indicated changes: (b) Adding ammonium nitrate to a solution of ammonium hydroxide
Molecular Mass by Freezing point Depression (Preliminary Lab).
The conductivity of KCl is given as kappa=1.413ohms^-1 m^1 and the conductance of this solution is given as 1408microSiemens.
Solubility Constant, Ksp of Reactant, The chemical reaction representing the soluability of AGBr is: AgBr (right and left arrow) Ag^+ +Br^-
The specific heats of solid and liquid ethanol are 0.97 J/g-K and 2.3 J/g-K, respectively. How much heat (kJ)
a 70g piece of ice at 0c is added to a sample of water at 6c, all of the ice melts and the temp of the water decreases to 0c, how many grams of water were in the sample?
How can we explain the ability of an electron to cross through a node, such as the nucleus, to occupy the region within an entire orbital?
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