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In the following reaction, which describes the conjugate acid-base pair?
HBr (aq) + KHS (aq) → KBr (aq) + H2S (g)
HBr (aq) + HCl (aq)
HBr (aq) + KHS(aq)
KHS(aq) + H2S (g)
HBr (aq) + H2S (g)
Proposed a detail mechanism for the zinc mediated debromination of trans-1,2-dibromocyclohexane. The reagent used was zinc and water and heat where also added to the reaction. The products fromed included ZnBr2 and cyclohexane
A reaction has a rate constant of 0.00704 sec-1, how long will it take (in minutes) until 0.212 mol/L of the compound is left, if there was 0.619 mol/L at the start
Describe the characteristics of a neutralization reaction, how it is identified, and types of compounds in the reactants and products. Please provide an example
a wooden object from the site of an ancient temple has a carbon-14 activity of 13.0 counts per minute compared with a
Discuss the importance of valence electrons in this lesson. What and where are they? Why are they important? Be sure to base your answer on what we discussed in THIS class and use the terminology from the course materials.
If 0.5mL of .3% (mass) ethanol is oxidized with 10mL 0.005M K2Cr2O7 , what volume of 0.05M Fe(NH4)2(SO4)2.6H2O is needed to titrate the excess potassium dichromate
Calculate the equilibrium constant, Ka for the acid, HA if, at equilibrium, the pH of a 2.3 M solution of HA is 1.62
A gaseous gydrogem and carbon conaining compound is decomposed and found to contain 85.63% and 14.37% H by mass. the mass of 258mL of the gas, measured at STP, was ).646g. What is the molecular formula of the compound
Give the bohr electron configuration and lewis electron dot structuce for sulfur. Circle the elector in the Bohr electron configuration and also in the Lewis
What is the total power dissipated for resistors 1, 3, 4, 6 and 7 in Watts? In other words, find the power dissipated by each and add them together.
What is the [Cu2+] concentration at 25 oC in the cell Zn(s)|Zn2+(aq, 1.0 M)||Cu2+(aq)|Cu(s)? The cell emf is 1.03 V. The standard cell emf
The next generation "ultra supercritical" power plants may operate with steam pressures of up to 300 bar. However, material strength limitations prevent operation of high pressure equipment at temperatures above 600 C.
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