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Explain what happens to the heat produced by an exothermic reaction conducted in an adiabatic calorimeter?
determine partial pressure and number of moles of each gas in a 17.25 L vessel at 30 degrees celsius containing a mixture of xenon and neon gases only.
A hydrogen atom initially in the n=11 quantum state emits a photon having a wavelength of 2.87144E-6 m. What is the quantum number of the final state of the atom
For AuCl, Ksp = 2.0 x 10-13 at 25°C. What is the solubility of AuCl at this temperature?
What is the concentration of hydroxide (OH1-) ions in saturated limewater if the [H3O1+] = 3.98 x 10-13? Is limewater acidic (A), basic (B), or neutral (N)
in the northern states during winter salt is sprinkled on roads to reduce the formation of ice. what chemical
The alpha-particles ionize molecules in the air, allowing it to conduct an electric current. When smoke particles enter, the conductivity of the air changes and the alarm buzzes. (a) Write the equation for the decay of (mass number 241, protons 95..
The white solid that remains in the centrifuge tube after acetone extraction fizzes when hydrochloric acid is added, suggesting that sodium carbonate is present. How did this substance form? Give a balanced equation for its formation.
Compute the pH if NaOH solution of the 10.00 mL has been mixed. pKa of HCOOH = 3.74
what product and how much of it would you obtain if you heated 1.0mL of ethanol with 2.0 mL of glacial acetic acid in the presence of a few drops of sulfuric acid?
calculate the zero point vibrational energies for -o-h and -o-d bonds.if a reaction of these bonds involves breaking
How many total moles are produced when 0.69 mol of ethanol (CH3CH2OH) are combusted in oxygen to produce carbon dioxide and water
Calculate the new vapor pressure of iodine at the same temperature when 100 bar of He gas is added to the container in which the iodine is held.
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