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In electrochemical series moving down the table the ease of discharge at cathode increases.why?
And what is ease of discharge
calculate the pH of a sodium cyanide solution that is 0.37M NaCN. The Ka for hydrocyanic acid HCN is 4.00E-10.
Concentrated sodium hydroxide (NaOH) is 19.4 M, has a density of 1.54 g/mL, and is a strong electrolyte. What is the molality of 19.4 M NaOH? Assume NaOH(aq) dissociates completely to produce two moles of ions per mol NaOH.
Draw the structural formulas and write the names for the alcohol and the carboxylic acid which result when the following compound is hydrolyzed
a 2.545g sample contains carbon hydrogen and oxygen. it is subjected to carbon-hydrogen analysis and 3.703g of co2 and
Formic acid is a weak acid with a ka value of 1.8x10-4 at 25 Celsius a solution with a concentration of .424M formic acid is prepared in a laboratory. State the ionization equation for an aqueous solution of formic acid as well as determine the ph..
Calculate the work done by the gas in expanding against the atmosphere. Neglect the volume of the solid carbon dioxide, which is very small in comparison to the volume of the gas phase.
Compute the theoretical amount (volume) of 3 M sodium hydroxide needed to convert 1.75 grams of benzoic acid to its water-soluble salt.
How do you calculate the molarity of KMnO4 after it has been titrated by .0505 M (COOH)2? The only information you are given is .0011 mol of KMnO4 and no volume...this is for prelab 6.
Question- Estimate the calcium concentration in a groundwater sample, which has a pH of 5.50. Assume that the groundwater at his location is saturated with CO2 at a partial pressure of 0.1 atm.
What might happen to your calculated NaOH morality if you use tap water rather than deionizer (purified) water to dissolve the KHP crystals or to rinse down the walls of the flask during the titration
How many grams of Helium does a 25.0 Liter balloon contain at 102.0 kPa and 24 degrees Celsius?
the enthalpy change when a strong acid is neutralized by strong base is -56.1 kjmol. if 135 ml of 0.450 m hi at
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