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Calculate the amount of heat needed to boil 13.9g of acetic acid (HCH3CO2), beginning from a temperature of 49.9°C. Be sure your answer has a unit symbol and the correct number of significant digits.
How many moles of HIO3 are produced when 1.29 grams of ICl3 and 7.81 grams of H2O react
Yet the alkali metals are never found in their pure (zero valence) form. Why is this?
Question- Calculate the pH at the equivalence point for the titration of 0.20 M aniline (C6H5NH2) with 0.20 M HCl. (Kb for aniline = 3.8 x 10^(-10))
What is the trend in first ionization energies as one proceeds down the group 7A elements? Explain how this trend relates to the variation in atomic radii.
What is the boiling point of water at an altitude where the ambient air pressure is 0.47 bar? The enthalpy of vaporization of water near its boiling point is 40.7 kJ/mol.
Problem- Caffeine has the formula C8H10H4O2.If an average cup of coffee contains approximately 125mg of caffiene, how many moles of caffiene are in one cup
Minimal energy cost of H2S conversion to hydrogen and sulfur in gliding-arc is 1.6 eV/molec
Is it possible for the sum of the vectors to have a magnitude of 14 km/h? Explain and use diagrams to support your answer.
A galvanic cell is constructed with a silver-silver chloride electrode, and a nickel strip immersed in a beaker containing 1.56 x 10-2 M solution of NiCl2. Determine the balanced cell reaction and calculate the potential of the cell. Enter in Volt..
Calculate the enthalpy change, change of H, for the process in which 37.1 g of water is converted from liquid at 4.4 degrees C to vapor at 25.0 C.
deduce the SALC's not derived initially from the character table analysis. Provide normalized equations and a sketch for each group orbital.
Why is modulating ligand concentration not sufficient for adequate control of signaling in an organism? Sketch a diagram of a G-protein coupled receptor cascade, and indicate the possible actions that can be taken by a cell to inhibit the signal.
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