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What is the equations for the reactions occurring at the electrodes during electrolysis of the following solutions:
a) nickel sulfate with nickel electrodes
b) silver nitrate with silver electrodes
c) copper chloride with copper electrodes
a material can exhibit to be considered hazardous. Discuss five hazardous properties and give one example compound for each hazard.
The isomerization of methyl isocyanide, CH3NC CH3CN, follows first-order kinetics. The half-lives were found to be 161 min at 199°C and 12.5 min at 230°C. Calculate the activation energy for this reaction.
Evaporating sweat cools the body because evaporation is endothermic and absorbs 2.44 per gram of water evaporated. Estimate the mass of water that must evaporate from the skin to cool a body by 0.30
Consider the reaction 2KClO_3(s)\rightarrow 2 KCl(s)+3O_2(g) and the following table of values: Substance Delta G (kJ/mol) KClO_3(s) -296.3 KCl(s) -409.2 O_2(g) 0 State whether it would be worthwhile to investigate finding a catalyst to use in thi..
To whats volume in liters must 105 mL of hydrochloric acid containing 47.5g of HCl be diluted to make a 1.05M solution ?
the heat change value that you calculate from your experiments will be for the amount of material that you use in each reaction. how will you convert it to kJ/mol
Draw the orbital diagram
Consider these aqueous solutions: 0.20m NH4Cl, 0.20m CaCl2, 0.25m NaCl, and 0.30m sugar. Assume these are all ideal solutions. Which solution has the lowest vapor pressure
Quinine emits fluorescence at the wavelength of 347 nm. An unknown quinine solution gave fluorescence reading of 400 (after background subtraction) at the 347nm.
Carbon dioxide gas evolved out from the solution. After the reaction was completed. The solution was back titrated with a NaOH solution (3.05mL, 0.1500M). Write the reaction equation for the reaction of MCO3 and HCl
water softeners often replace calcium ions with in hard water with sodium ions. however the fda recommends that adults
sodium hydroxide is extremely soluble in water. At a certain temperature, a saturated solution contains 551g of NaOH (s) per liter of solution. Calculate the molarity of this saturated NaOH (aq) solution.
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