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A student completes a titration of an unknown diprotic acid. In this experiment, 0.79 g of the acid is dissolved in 250.0 mL of water. It requires 13.48 mL of 1.0 M NaOH to reach the second equivalence point. What is the molar mass of the acid?
For the reaction below, when 216g of ICl3 reacts with 61.3g of H2O; 2ICl3(s) + 3H2O(l)= ICl(aq)+HIO3(s)+5HCl(aq) a. which is the limiting reagent b. How many grams of HIO3(s) are formed c. How many grams of the nonlimiting reagent are left over
Using standard reduction potentials, calculate the standard Ecell, emf, for each of the following reactions. State if each reaction is spontaneous or nonspontaneous
To find the volume of a flask, it is first evacuated so it contains no gas. Next, 2.2 g CO2 is introduced into the flask. On warming to 33 °C, the gas exerts a pressure of 760.0 mm Hg. What is the volume of the flask in milliliters
calculate the density of a volatile liquid in its gaseous state at pressure 752.0 mm hg and temperature 99.5 0c if
Explain the detoxification of Acetaminophen, alcohol, and sodium nitrite with biotransformation of xenobiotics. Describe the Synthesis of fatty acid, Triglyceride, Vitamin E, and Vitamin C.
A sports car moving at constant speed travels 105 m in 4.8 s. If it then brakes and comes to a stop in 4.0 s, what is its acceleration? Express the answer in terms of g's, where g = 9.80 m/s2.
A 2.50 g sample of white solid was vaporized in a 345 mL vessel. If the vapor has a pressure of 985 mmHg at 180°C, what is the molecular weight of the solid.
Which of the following gases has the largest Henry's law constant, Kh, for dissolution in water at room temperature and why
A 529-\rm mL sample of unknown \rm HCl solution reacts completely with \rm Na_2CO_3 to form 20.1g \rm CO_2. What was the concentration of the \rm HCl solution
Consider the decomposition of liquid water to form hydrogen gas and oxygen gas 2H2O(l) ?2H2(g) + O2(g). What can you say about delta H and delta U? Are delta H and delta U equal or is on greater than the other. Why.
A sample of krypton gas at 75.0 psi and 100 degrees Celcius expands from 0.100 L to 0.450 L. If the temperature remains constant, what is the final pressure
How many grams of Cr can be produced by the reaction of 44.1 g of Cr2O3 with 35.0 g of Al according to the following chemical equation. 2Al + Cr2O3 ? Al2O3 + 2Cr
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