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Determine the energy of 1.20mol of photons for each of the following kinds of light. (Assume three significant figures.) infrared radiation (1480nm) visible light (520nm) ultraviolet radiation (130nm)
The combustion of heptane with oxygen is a well known process. Write a balanced equation for the reaction of heptane, C7H16, with oxygen, O2, forming the products carbon dioxide, CO2, and water, H2O. What mass of water will be produced by the comp..
The temperature of the entire system rose from 25.30 °C to 26.59 °C. Calculate the heat of reaction, in kJ, per mole of KOH(aq).
A piston has an external pressure of 6.00 atm. How much work has been done if the cylinder goes from a volume of 0.130 liters to 0.580 liters.
Which of the following would be expected to be the most stable carcocation. Using good scientific terminology with the aid of structures/equations, clearly explain your answer.
If 125 calories of heat is applied to a 60.0 grams piece of copper at 21.0 degrees Celsius, what will the final temperature be? The specific heat of copper is 0.0920 calories per grams times Celsius.
Assume that you need to prepare 4-methyl-2-pentyne and discover that the only alkynes on hand are acetylene and propyne. You also have available methyl iodide, isopropyl bromide,
Fourier transform ion cyclotron resonance mass spectrometry yields the highest resolution mass spectra. As an example of the high resolution attainable by this technique
what volume of 0.52 N NaOH would you need to make 20mL of distilled water that has pH 7 to a new pH 11.82?
The reactions occur in acidic solution. (Use the lowest possible coefficients. Omit states-of-matter in your answer.) (a) MnO4- + H2SO3 ? Mn2+ + SO42-
Permanganate ions, MnO4-, oxidize acetaldehyde, CH3CHO, to acetic acid CH3CO2H, and are reduced to MnO2. The reaction takes place in acidic solution.
Starting with 3.30 moles of HBr in a 12.0 L reaction vessel, calculate the concentration of H2, Br2, and HBr at equil.
derivatives of butanoic acid, Indicate how a butanoic acid can be converted to an a) acid chloride; b) acid anhydride; c) an ethyl ester, and d) an N-methyl amide
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