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A Styrofoam cup holding 116 g of hot water at 1.00 102°C cools to room temperature, 16.1°C. What is the change in entropy of the room? (Neglect the specific heat of the cup and any change in temperature of the room.)
you have pure beta-d-glucopyranose of 100 grams nearly it was dissolved in an ethanolwater combination with the
Consider the following reaction: 2H2O (g) + 2SO2 (g) 2H2S (g) + 3O2 (g) a reaction mixture initially contains 2.8 M H2O and 2.6 M SO2. Determine the equilbirum concentration of H2S if Kc for the reaction at this temperature is 1.3 x 10^-6
The vapor pressure of ethyl ether is 7.87 in. Hg at 2°C; 11.8 in. Hg at 12°C; 27.5 in. Hg at 32°C; 29.9 in. Hg at 35°C; 39.3 in. Hg at 42°C. What is the normal boiling point of ethyl ether
What is the reciprocal of the linear dispersion. Could the two emission lines of hydrogen, 656.28 nm and 656.10 nm be resolved to the base line with a slit width of 0.010mm. Note that the blaze angle is given in wavelength. Using the balze angle f..
Calculate the pH when 3.06 g of NaClO is added to 57.2 mL of 0.50 M HClO. Ignore any changes in volume.
Calculate the E0 for the following reaction by using the standard reduction potentials data in your lab manual.
What is the "mass per volume" percent of a household bleach product? I believe the question is asking for a calculation but I do not know how to proceed
A voltaic cell consists of a Zn/Zn^2 + half-cell and a Ni/Ni^2 +half-cell at 25C. The initial concentrations of Ni^2 + and Zn^2 + are 1.70 M and 0.100 M, respectively. What is the initial cell potential
when limestone rock which is principally caco3 is heated. carbon dioxide and lime cao are produced by a decomposition
Twenty dietary iron tablets with a total mass of 22.131 g were ground and mixed thoroughly. Then 2.998 g of the powder was dissolved in concentrated HNO3 and heated to convert all the iron to Fe3+
What is the [OH-] of 109.7 mL of a buffer initially consisting of .1572 M C2H5NH2 and .0904 M after the addition of .0030 moles of HCl. Kb of C2H5NH2 = 5.6e-4
How are the opposing pathways of glycolysis and gluconeogenesis prevented from extensive
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