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Each represents a greater or less entropy or greater or less stability:
1. gluclose sugar vs. carbon dioxide and water
2. A messy room vs. a clean room
3. Ice water on a warm vs. warm water on a warm day
the water dissociation reaction H2O (l) --> H+(aq) + OH-(aq). What are the standard states for the three species in the two cases? Density of water is 997 kg/m^3.
1. Write an equation describing the hydrolysis of one ester group in tannins by CaCO3. 2. How would longer roasting time of green coffee beans effect its caffeine content
A homeowner uses 4.00 x 10^3 m^3 of natural gas in a year to heat a home. Assume that natural gas is all methane, CH4, and that methane is a perfect gas for the conditions of this problem, which are 1.00 atm and 20 C. What is the mass of gas used
Benzoic acid can be extracted from an ether solution using an aqueous solution of sodium bicarbonate.
if the reaction produces 5.72 grams of a compound called magnesium ammonium phosphate,MgNH4PO4. what is the percentage of phosphorus in the original plant food sample?
At equilibrium the vessel contains 0.40 mol of PCl3 (g) as well as Cl2(g) and undissociated PCL5(g). What is the equilibrium constant for the decomposition of PCl5 to PCl3 and Cl2 at this temperature.
Problem- Small quantities of oxygen can be prepared in the laboratory by heating potassium chlorate, KCIO3(s). Calculate how many grams of O2(g) can be produced from heating 54.8 grams of KClO3(s)
Explain why is it important to maintain a constant temperature in this experiment. electrophilic aromatic substitution lab
Write the reaction mechanism for the synthesis of 1-bromobutane from 1-butanol by reaction with sulfuric acid and sodium bromide. (sn2)
a solution of sodium cyanide (NaCN) has a pH of 12.10. How many grams of NaCN are in 425 mL of solution with the same pH
Can SO2 be maintained a liquid under a pressure of 100atm at 0 C. Can liquid methane be obtained under the same conditions.
The patient's stomach contained no ingested food or drinks, thus presume that no buffers were present. Explain what was the pH of the gastric juice
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