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Problem- The condensation of steam to water at 90 degrees Celsius causes the entropy of the steam to decrease. Why? What must be true of the process of steam condensation if the second law of thermodynamics is satisfied?
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what is the % mass of acetic acid in the vinegar? Hint: What is the mass percent of aceditc acid titrated and what is the definition of % mass?
in an experiment 99.0 g of aluminum with a specific heat of 900 jkgmiddotk at 93.0degc is mixed with 88.0 g of water
a pure diamond with a mass of 0.1000 g contains 5.014 1021 carbon atoms and has a density of 3.52 gcm3.what is the
Nitrogen gas (N2) reacts with hydrogen gas (H2) to form ammonia (NH3). At 200°C in a closed container, 1.3 atm of nitrogen gas is mixed with 2.2 atm of hydrogen gas. At equilibrium, the total pressure is 2.1 atm. Calculate the partial pressure of ..
Diagram the path that light travels through a spectrophotometer. Utilize flow chart format. Comprise white light source, measuring phototube, sample compartment and monochrometer.
A sample of pure NO2 is heated to 336 C at which temperature it partially dissociates according to the equation2NO2->O2+2NO
Specified the balanced reaction below for the oxidation of ethanol by potassium dichromate, compute the number of liters of a 0.600 M K2Cr2O7 solution required to generate 0.1665 moles of C2H4O2 from a solution containing excess ethanol and HCL.
The degree of unsaturation, or index of hydrogen deficiency, is the number of pi bonds plus rings in a molecule. Specify the degree of unsaturation (index of hydrogen deficiency) of the following formulas
As an alternative of t-butyl alcohol what other compounds can be used to form1, 4-di-t-butyl-2, 5-dimethoxybenzene
A buffer is to be prepared by adding solid sodium acetate to 0.10 M CH3COOH. Which of the following concentrations of sodium acetate will produce the most effective buffer
The stockroom has an 8.0 M solution of Na3PO4. Explain how many mL of the stock solution are necessary to prepare 25 mL of a 3.0 M solution?
Draw the skeletal structure for the major organic product formed when 1-butyne reacts with 2 equivalents of HBr
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