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Problem- Part A What is the balanced chemical equation for the galvanic cell reaction expressed using shorthand notation below?
Al(s) | Al3+(aq) | | Zn 2+(aq) | Zn(s)
Part B What is the molality of a glucose solution prepared by dissolving 54.0 g of glucose, C6H12O6, in 125.9 g of water?
If possible just a to the point details about how you got the answer?
How much dry solute would you take to prepare each of the following solutions from the dry solute and the solvent
When 33.4 mg of a compound is dissolved in 10.0 ml of water at 25 C the solution has an osmotic pressure of 558 torr. Calculate the molar mass of the compound.
This is a reaction between Tetrabutyl bromide as well as NaOH- with an indicator of .1% bromo-phenol blue. Explain the reaction is timed as well as whenever the solution changes from blue to yellow the timer were stopped.
Aspirin is a monoprotic acid called acetylsalicylic acid. Its formula is HC9H7O4. A certain pain reliever was analyzed for aspirin by dissolving 0.431 g of it in water and titrating it with 0.0430 M KOH solution.
Calculate the cell potential for the following reaction as written at 61 °C, given that [Cr2 ] = 0.826 M and [Ni2 ] = 0.0200 M. Cr(s) + Ni ^2+ (aq) --> Cr^2+ (aq) + Ni(s)
If the antiacid selected for the analysis is know to contain only milk of magnesia how could this procedure be midified
Problem- How many single covalent bonds must a fluorine atom form to have a complete octet in its valence shell?
A compound with the empirical formula CH2O was found to have a molar mass between 89 and 91 g. What is the molecular formula of the compound?
Write the chemical equation(s), including state symbols, for what happens when the following ionic compounds are placed in water. Are these substances reacting with water when they are added to water
What is the equilibrium constant, K, value (ignore units) at 441.3 K for the following reaction ? N2(g) + 3 H2(g) ? 2 NH3(g) [Note (all at 25oC): (1) Standard enthalpies of formation for N2, H2, and NH3
What is the solubility of M(OH)2 (Ksp = 3.2e-13) in a solution buffered at pH = 9.84 solubility = M
A 20.00 mL sample of 0.1026 M HCl was titrated with NaOH solution. The initial buret reading was 0.25 mL, and the final reading was 18.78 mL.
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