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Use line notation to represent the electrochemical cells for each of the following overall redox reactions.
Part A: Ni2+(aq)+Mg(s) Ni(s)+Mg2+(aq)
Part B: 2H+(aq)+Fe(s) H2(g)+Fe2+(aq)
Part C: 2NO-3(aq)+8H+(aq)+3Cu(s) 2NO(g)+4H2O(l)+3Cu2+(aq)
How many moles of ions are in 1.60 mol of K2SO4?
A solution of 120 mL of 0.150 M KOH is mixed with a solution of 260 mL of 0.200 M NiSO4. How many grams of the precipitate can be formed?
Which of these is likely to be the best conductor of electricity?
It takes 64 mL of .124 M KOH to neutralize 25.6 mL of H2SO4 solution. What is the concentration of the H2SO4 solution?
What is the effect of dissolved soap (soapy water v. plain water) on the pattern of diffusion of blue dye in water?
Calculate the number of moles of H+ and OH- initially present the number of moles of h2O produced in the response regulation reaction.
a 35.00 mL sample of NaOH solution is titrated to an endpoint of 14.76 mL 0.4122 M HBr solution. What is the molarity pf the NaOH solution?
Salicylic acid, used in the synthesis of aspirin, has mass composition 60.87% C, 4.38% H, and 34.75% O. What is the empirical formula of the compound.
calculate the osmotic pressure in mm Hg of 6.00 L of an aqueous 0.889 m solution at 30.°c, if the solute concerned is totally ionized into three ions
How much heat is required to convert 25.0g of ethanol at 25 degrees C to the vapor phase at 78 degrees C?
Identify the oxidation-reduction reactions among the following.
In a haloform reaction with chloride, what reaction step is pertinent to the synthesis of molecular chloride?
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