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What is the wavelength (in meters) of photons with the following energies? In what region of the electromagnetic spectrum does each appear? 91.0 kj/mol
salicylic acid reacts with methanol to produce oil of wintergreen and water. If water is added to the solution, a precipitate is formed. identify the precipitate and explain why it is formed.
The pH in the stomach of a certain animal is 3.8. This means that the hydrogen ion concentration in the stomach
A mutant hemoglobin has His146 of the beta chain replaced with a threonine residue. predict what the consequence of this mutation might be. specifically
After the vessel was pressurized with hydrogen gas and heated to 80 degrees C, the monometer showed the initial pressure inside the "bomb" to be 77.2 atm. Assuming 100% yield, calculate the pressure that should be inside the "bomb" when the reacti..
Determine the value of Kc for the following reaction if the equilibrium concentrations are as follows: [PCl5]eq = 0.56 M, [PCl3]eq = 0.23 M, [Cl2]eq = 4.4 M. PCl5(g) PCl3(g) + Cl2(g)
calculate the theoretical yield of TiO2. If the percent yield of the reaction is 77.6%, how many grams of TiO 2 are actually formed?
For each titration I need to calculate the moles of base needed to neutralize the acid sample. How do I go about doing this?
Explain as thoroughly as possible, When copper and silver nitrate oxidize/reduce, how does copper lose 2 electrons
The rate constant for a reaction is 1.6 x 10^-2 s^-1 at 680k and 4.6 x 10^-2 s^-1 at 890 K. What is the activation energy?
Calculate the de Broglie wavelength of the bullet traveling at 1289 miles per hour. Physical constants can be found here.
What is the major disadvantage of using concentrated sulfuric acid (or hydrochloric acid) rather than 85% phosphoric acid for the dehydration of alcohols?
In the reaction BaCO3 + 2HNO3 -> Ba(NO3)2+CO2+H2O, what mass of Ba(NO3)2 can be formed by combining 55g BaCO3 and 26g HNO3?
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