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Wet steam flows in a pipe at a pressure of 700 kPa. To check the steam quality, the wet steam is expanded to pressure of 100 kPa. The expansion process may be assumed to be isenthalpic
Ten kg of steam at 500 bar is expanded at constant pressure until its pressure increases to seven times its initial value of 0.01 m^3. (a) Determine the initial and final temperature of the steam. (
Alkenes can be converted into alcohols by acid-catalyzed addition of water. Assuming that Markovnikov's rule is valid, predict the major alcohol product from 2-methylbut-2-ene
How many hydrogens are in C6H?NO3, which has 1 ring and 4 double bonds? How many hydrogens are in C13H?N, which has 4 rings and 6 double bonds?
Calculate (a) the maximum non-expansion work, and (b) the maximum work that can be obtained from the freezing of supercooled water at -5 oC and 1.0 atm.
Which of the bonding forces from the list above would need to be overcome to convert CCl4 from a liquid to a gas? (Enter the letters in order of all that apply, e.g. AB, ABD, ACDE, etc.)
A solution of sodium thiosulfate, Na2S2O3, is 0.4282 M. 13.82 mL of this solution reacts with 36.67 mL of I2 solution. What is the molarity of the I2 solution
what is the empirical formula of a compound that is 62.0% C, 10.4% H, and 27.5% O by mass
An aqueous solution contains 0.96 g/L of an organic detergent. The osmotic pressure of this solution is 62.2 torr, at 25°C. What is the molar mass (in g/mol) of this detergent
Consider the acid-catalyzed cleavage of propylene oxide with 1-propanol. Provide abbreviated structural formulas for the protonated epoxide substrate and of 1-propanol
calculate the ionization energy of xenon , given that the energy of a photon of this light is 1.95 x 10^18 J (I calculated that from the given wavelength of 102 nm). now how do i calculate the ioniz
What is the volume of the gas in mL at each of the following pressures, if there is no change in temperature and amount of gas? 1) 0.40 atm 2) 2.00 atm 3) 2500 mm Hg
What is the Hydroperoxide formed by air oxidation of diethyl ether. Show Lewis Structure.
Solve for the new pressure in each of the following, with n and V constant: 1)A gas with a pressure of 1.25 atm at 90 Celsiusis cooled to -17 Celsius. 2)A sample of N2 with a pressure of 790 mm Hg a
Calculate H rxn for this reaction and compute how much heat is produced from a hand warmer containing 15.0 grams of iron powder.
Nitrogen dioxide reacts with water to produce oxygen and ammonia: Using the ideal gas law equation, calculate the grams of NH3 that can be produced when 3.70 L of NO2 react at a temperature of 415 C
An enzyme preparation from isolated beef liver mitochondria has the capacity to carry out all of the reactions of the tricarboxylic acid cycle when supplied with the essential precursors of acetylCo
What is the hydronium-ion concentration of a solution formed by combining 700. mL of 0.19 M HCl with 300. mL of 0.52 M NaOH at 25ºC
Calculate the percent ionization of hypobromous acid (HBrO) in solutions of each of the following concentrations (Ka = 2.5e-09.) (a) 0.135 M % (b) 0.583 M % (c) 0.601 M %
From your balanced equation what is the theorectical yield of calium carbonate. Na2CO3(aq) + CaCl2.2H2O(aq) => CaCO3(s) + 2 NaCl(aq) + 2 H2O(l)
Rank cyclohexanol,tetrahydropyran-3-ol,tetrahydropyran-2-ol,and 2-cyclohexen-1-ol based on their SN1 reactivity. They all form secondary carbocations, correct? How does the oxygen affect their SN1 r
A sample consisting offive molecules has a total energy 5£. Each molecule is able to occupy states of energy j£,with j= 0,1,2,···,oo. (a) Calculate the weight of the
calculate the temperature of the solution after the CaCl2 dissolves. (Assume no heat is lost to the container or the surroundings and the specific heat of the solution is the same as that of water.)
What is the strongest Bronsted-Lowry acid in the chemical reaction shown below. 2 HNO3 (aq) + Ba(OH)2 (aq) ---> Ba(NO3)2 (aq) + 2 H2O (l) a) HNO3 b) Ba(OH)2 c) Ba(NO3)2 d) H2O
What is the pH of 0.346 M diethylammonium bromide, (C2H5)2NH2Br. The Kb of diethylamine, (C2H5)2NH, is 6.9 x 10-4