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a 25.00mL sample of NaClO is titrated with 0.001005M HNO3. If 10.02mL of of HNO3 is required to reach the endpoint of titration, determine the concentration of ClO- in the original sample.
Calculate the volume of air at 26 degrees Celsius and 0.92 atmosphere that is needed to burn completely 11.47 grams of pentane.
At a certain temperature, the Kp for the decomposition of H2S is 0.726 H2S = H2+S initally only H2S is present at a pressure of 0.126 atm in a closed container.
Molecules can be as small as a few atoms or as large as thousands of atoms. In 1962, Max F. Perutz and John C. Kendrew were awarded the Nobel Prize for their discovery of the structure of hemoglobin
How many grams of Cu(OH)2 can be produced from the reaction of 0.500g Cu with 30.0 mL of 3.0M NaOH? what is the limiting reagent?
In Europe, gasoline efficiency is measured in km/L. If your car's gas mileage is 23.0 mi/gal, how many liters of gasoline would you need to buy to complete a 142-km trip in Europe?
Important information about balanced chemical equation, 1. If 1 mole of Al4C3 has a mass of 144g and carbon has a mass of 12g, what is the atomic mass of aluminum?
If you drop 25 g warm nails initial temp 65.4 into coffee cup calorimeter that contains 100.0 g water at 20 degrees Celsius, what will the temperature be.
A student wants to make a pH 4.0 buffer solution. She decides to use a buffer made from formic acid and sodium formate (NaCOOH).
When you standardized the Sodium thiosulfate, what molarity of Na2S2O3 did you observe for each of your 3 trials.
Determine what given process is occurring when the color appears in the flame and an electron emits energy and it makes a transition to a higher energy orbital.
what will the concentration be after 9.00 minutes? Part B A zero-order reaction has a constant rate of 1.30×10^?4 M/s. If after 60.0 seconds the concentration has dropped to 8.00×10^?2 M, what was the initial concentration?
Determine the delta G standard state at 298 K from the following standard state values at T= 298, Determine the delta G standard state at 1000K. assume delta H is independent of temperature
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