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1 kg of pure liquid water at atmospheric pressure exists at a temperature of -6deg C.If a change occurs adiabatically at atm. pressure, what is delta s total (entropy change) for the process? latent heat of fusion of water at 0 C is 334 J/g and the specific heat of subcoooled liquid water is 4.226 J/gC.
Concentrated hydrochloric acid is 12 M and has a density of 1.18 g/mL. Calculate the mass in grams of a 0.025 L sample of concentrated hydrochloric acid.
Doubling the distance between an individual and the source of radiation reduces the radiation exposure to one-fourth the original value.
Why do sigma bonds have lower energy than pi bonds and are stronger if bond strength increases with bond energy?
Under certain conditions, the formation of ammonia from nitrogen and hydrogen has an 8.12% yield. Under such conditions, how many grams of NH3 will be actually produced.
Based on Reference Table G, what is the maximum number of grams of KCl(s) that will dissolve in 200 grams of water at 50 Celsius to produce a saturated solution?
0.90 g of hydrogen chloride (HCl) is dissolved in water to make 5.5 L of solution. What is the pH of the resulting hydrochloric acid solution?
WHen 0.075 moles of ammonium sulfate ((NH4)2SO4) are dissolved in enough water to make 337 mL of solution, how many ammonium ions are present?
Determine whether the oxidation of FeO(s) to Fe2O3(s) occurs spontaneously at 298K according to the reaction below by calculating delta s universal.
When hydrogen sulfide gas is bubbled into a solution of sodium hydroxide, the reaction forms sodium sulfide and water. How many grams of sodium sulfide are formed if 2.00 g of hydrogen sulfide
What NaCl concentration results when 289 mL of a 0.680 M NaCl solution is mixed with 457 mL of a 0.330 M NaCl
Ethers can be prepared by SN2 attack of an alkoxide ion on a alkyl halide. Suppose you wanted to prepare cyclohexyl methyl ether, shown below, using the SN2 reaction
Draw the major organic product from reaction of 1-butyne with BH3 in THF, then H2O2, OH-. If no reaction occurs, writE ethane, CH3CH3.
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