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Utilizing the volumes of NBS solution you just entered as well as the molarity of the ascorbic acid primary standard solution, Compute the molarity of the NBS secondary standard solution for each trial.
My molarity of ascorbic acid is 0.00232.
Volume of NBS is 26.16, 24.80, 24.50.
Explain how to calculate?
Determine the enthalpy of he reaction. Assume that the density and the specific heat of the solution are the same as water. Include the correct sign.
If 4.00 L of HCl(g) at 1.00 barr and 273K and 26.0g of I2(s) are transferred to a 12.00 L reaction vessel and heated to 25C, what will the equilibrium concentrations of HCl, HI, and Cl2 be? Kc = 1.6 x 10^-34 at 25C for 2HCl(g) + I2(s) 2HI(g) + C..
Write a net ionic equation for the neutralization reaction of CH3CO2H(aq) with CsOH(aq). 2. Which of the following compounds is an Arrhenius base in water?
Nitroglycerine decomposes violently according to the unbalanced chemical equation below. What mass of nitrogen gas is produced from the decomposition of 0.300 mol C3H5(NO3)3. C3H5(NO3)3(l) ? CO2(g) + N2(g) + H2O(g) + O2(g)
An unknown carbohydrate compound has the empirical formula CH2O. A solution consisting of 0.515 g of the carbohydrate dissolved in 1.717 g of acetic acid freezes at 8.8°C
A reaction rate increases by a factor of 1000. in the presence of a catalyst at 25 C. The activation energy of the original pathway is 98 kJ mol-1. What is the activation energy of the new pathway, all other factors being equal
Compute percent C16H34 that reacted to form CO(g) in the process. If experiment carried out at constant V, how much heat would have been released?
In the first 12.0 of the reaction, 1.8×10-2 of is produced in a reaction vessel with a volume of 0.260 . What is the average rate of the reaction over this time interval.
What is the empirical formula of a compound containing C, H, and O if combustion of a 1.75g sample of the compound yields 2.56g of CO2 and 1.05g of H2O
Calculate the Ka of an unknown monoprotic acid .When 15ml of the acid was titrated with 28 ml of 0.15M sodium hydroxide the equivalence point was reached at a ph of 8.48
consider the following reaction2h2o 2so2 lt-gt 2h2 3o2a reaction mixture initially contains 2.8m h2o and 2.6 m so2.
A 48.3ml sample of gas in a cylinder is warmed from 22C to 87C. What is its volume at the final temperature?
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