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State a balanced chemical equation with integer coefficients, for the reaction that can take place when copper metal is added to a solution acidic nitrate ions look for a half reaction with nitrate. Also, Define what is the potential for this reaction in volts?
What are the steps needed in order to calculate the molar mass when given a freezing point depression. Please be as specific as possible.
Develop a detailed calorimetric method for determining the temperature of the warm water sample.
Question one: A certain weak acid has, HA, has a Ka value of 8.3*10^-7. Calculate the percent of ionization of HA in a .10 M Solution.
What volume of 0.955 M HCl, in milliliters, is required to titrate 2.152 g of Na2CO3 to the equivalence point?Na2CO3(aq) + 2HCl(aq) ---> H2O(l) + CO2(g) + 2NaCl(aq)
Three compounds, hexane, heptane, and an unknown molecule were separated using gas chromatography. The adjusted retention times were 10.4 min for hexane,
cyclohexane has a freezing point of 6.50 c and a kf of 20.0 cm. what is the freezing point of a solution made by
Can someone explain how to do these? I feel like the first one is E as KOH and HCL are strong base/strong acid.
How many air molecules are in a 11.5 * 12 * 10 room? Assume atmospheric pressure of 1.00 atm a room temperature of 20.0 Celsius and ideal behavior.
Write a balanced equation for the single-replacement oxidation-reduction reaction described, using the smallest possible integer coefficients
a sample containing n2 of 3.50 moles nbspand h2 nbspof 7.50 mol is placed in a reaction vessel and brought to
400 M formic acid (HCOOH) solution freezes at -0.758 degrees C. Calculate the Ka of the acid at that temperature. (hint: assume that molarity is equal to molality. Carry out your calculations to three sig figs and round off to two for Ka).
Calculate the theoretical pH of the solution when beginning with 10.00 mL of 0.200 M HCl and dilute it to 50.00 mL with distilled water.
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