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What is the percent ionization of a solution made by adding 6.00 grams of CH3COOH to 100 g of water (Kb = 0.512 ? C/m) if the boiling point of the solution is 100.712 ? C? Answer in units of %.
A mixture of propane and butane is fed into a furnace where it is mixed with air. The furnace exhaust leaves the furnace at 337°C, 786.0 mmHg and contains only N2, O2, CO2, and H2O
For the following battery: Cd(s) | CdCl2(aq) || Cl-(aq) | Cl2(l) | C(s) Write the reduction half-reaction occuring at the C(s) electrode. (Include physical states of reactants and products.) From which electrode will electrons flow from the batter..
identify the functional group; and 3) and discuss general key chemical properties of the chemical that a fire, environmental, health or safety personnel should know.
What is [Pb^2+] in a saturated solution of PbCO3 if Na2CO3,with a common ion is added to give [CO3^2-]=3.0x10^-4 M? PbCO3 Ksp=7.4x10^-14
If both enzymes catalyze their reaction with similar rates, explain why the hydrolysis of the starch molecule is accelerated when both enzymes act together.
For a given transfer of energy, a greater change in disorder occurs when the temperature is high.
What would be the chemical potential of the gas at the same temperature but at pressure P? Assume ideal gas behavior
A solution is .450M in HNO3 and 1.3M in Ba(NO3)2. what is the concentrations of No3 in the solution?
Do you use the same type of glassware when making solutions of varying molarity? Should you use a volumetric pipette or flask
Start Virtual ChemLab and select Alpha and Beta Particles from the list of assignments. The lab will open in the Quantum laboratory. What source is used in this experiment? Drag your cursor over the source to identify it.
A protein biochemist attempted to determine the amino acid sequence of a decapeptide. Use the results fromt he trypsinm chymotrypsin, and cyanogen bromide treatments to suggest the amino acid sequence.
Calculate the pH at the equivalence point in titrating 0.010 M solutions of each of the following with 0.081 M NaOH. (a) hydrochloric acid (HCl) pH = _?_ It's not 12.55
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