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Assume water boils at 100.0 C in Houston(near sea level) and at 90.0 C in Cripple Creek Colorado(near 9, 500 feet). If it takes 4.7 min to cook an egg in Cripple Creek and 4.4 min in Houston, what is Ea for this process? Enter your answer in scientific notation.
given mass of a gas 0.26g pressure is 763mmhg and volume of 147ml.by using an ideal gas law calculate the molar mass of
what is the equilbrium constant, K for the reaction A + B -> AB. What would the equilbrium constant be if A, B, and AB were each present in equilibrium at a concentration of 1nM
A 0.050 M H2S solution contains 0.29 M NiCl2 and 0.35 M Hg(NO3)2. What pH is required to precipitate the maximum amount of HgS but none of the NiS. Ksp for NiS is 8*10^-48
Calculate the standard enthalpy of formation of Acetylene (C2H2) from its elements: 2C(graphite) + H2(g) -------- C2H2(g) Use the following equations to calculate
3-ethylbenzoic acid Draw the molecule by placing atoms on the grid and connecting them with bonds. Include all hydrogen atoms. Draw a benzene ring with alternating single and double bonds between the carbon atoms
a solution is made by dissolving 10.20 grams of glucose c6h12o6 in 355 grams of water. what is the freezing-point
Need to prepare a solution of 0.2 L 0.4 M then determine how many cm^3 of a solution of H2SO4 (sulfuric acid) 80.0%
cyclohexane-toluene mixture, and then obtain IR spectra for each fraction. How would the IR spectrum of the first 1 mL fraction look different from that of the last 1 mL fraction?
The drug amphetamine, C6H5CH2CH(CH3)NH2, Kb = 7.8 multiplied by 10-4, is usually marketed as the hydrogen bromide salt, C6H5CH2CH(CH3)NH3+Br
In order to distinguish the R and S forms of a molecule an enzyme must have binding sites for how many of the groups on the stereocenter of the molecule
Define a container of Volume 2.60L contains gas at 250 mm Hg pressure at 298K. An additional 0.063 mole of another gas is added. Explain what will the pressure become
Problem- What is the major organic product that results when 1-heptyne is treated with 2 equivalents of HBr
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