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Acetic acid when pure, has a freezing point of 16.0 Celsius; Liquid acetic acid has a heat capacity of 1.96J/g*C. A 25.0 g piece of solid acetic acid at 16.0C is placed into an insulated container containing 50.0g of liquid acetic acid at 50.0C. when the temperature of the mixture reached 16.0C there is 7.7g of solid acetic acid left. a) calculate delta rxn H degrees for CH3CO2H(s) --> CH3CO2H(l) b)what is the term for this specific enthalpy change Please SHOW ALL steps, and make writing very Clear.
In all parts: assume the the speed of sound in air is 339 m/s. Suppose a ship's foghorn is sounded toward an iceberg, and an echo is heard 4.33 s later. What is the distance from the ship to the iceberg. Suppose the lab floor is 3.12 m beneath the..
What metal ions are involved in electron transport, and what is special about them that enable electrons to be shuttled among the various proteins
What information is gained from the UV-VIS data. Compound does not contain a conjugated system.
Explain PH and Biochemistry, Determine the weight in grams of sodium dihydrogen phosphate (M.W.138.01) and disodium hydrogen phosphate (M.W 141.98) needed to prepare 1L of a standard buffer at pH 7.00, with a total phosphate concentration of 0.100..
This is for two dimensional arrays with both positive and negations ions alternating in a square pattern. I am given the hint to select an area with boundries through the middle of the outermost ions-ie the edge ions count as 1/2
Determine the partial pressure and total pressure of each gas in the vessel and process of reaction runs until eighty five of the Oxygen is used and the vessel get cooled to its starting or initial temperature.
The value of Ka for monochloroacetic acid is 1.35 multiplied by 10-3. Calculate the pH of a 0.24 M solution of monochloroacetic acid.
How much energy would be required to melt 26 g of HCl at its melting point of -110.8 ?C?
If 156 mL of wet H2 is collected over water at 24C and a barometric pressure of 736 torr, how many grams of Zn have been consumed?
consider the combustion of methane, CH4:CH4 + 2 O2 (g) -->CO2(g) + H2O suppose 1.5 mol of methane is allowed to react with 4 mol of oxygen what is the limiting reagent?
An aqueous solution of nitrous acid (HNO2) has a ?G= 19.1 kJ. What is the pH when [NO2-]=1.00 M, [HNO2]=1.00 M, and the ?G=0?
The Ka for cacodylic acid (C2H7AsO2) is 5.37 x 10-7. An amount (0.1035 g) of this compound is added to 0.5 L H2O. What is the resulting pH of this solution
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