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Problem: A 7.54 g sample of water is introduced into a 0.857 L flask containing some C4H6 gas. The flask is heated to 347.52 °C at which temperature all of the water is converted to the gaseous phase, giving a total pressure in the flask of 25.173 atm.
Required:
Question: Calculate PH2O (in atm) in the flask at 347.52 °C. Report your answer to three decimal places in standard notation. Please explain the complete solution of this problem.
a sample of nitrogen occupies a volume of 546 ml at stp.what volume would nitrogen occupy at 177 c under a pressure of
Question- A solution, in which the magnesium concentratio is 50mg/L, is needed. The source of magnesium ions is magnesium chloride. If 1.5L of the solution is needed, what weight of magnesium chloride must be weighed out. (FW of Mg is 24.305g/mol ..
The enthalpy change for converting 10.0 g of ice at -25.0°C to water at 80.0°C is __________ kJ. The specific heats of ice, water, and steam are and respectively. For H2O, Hfus = 6.01 kJ/mol, and
The reaction between N2 and H2 to produce NH3 is an important industrial process. Using the information from your text and handouts (you may assume ideal gasses) calculate the equilibrium constant for this reaction at 400 ºC
if oxygen gas were collected over water at 22 degrees celsius and the total pressure of the wet gas were 650 mm hg what
Discuss how the thickness (viscosity) of ethanol or aqueous film forming foams can be changed. Does the foam have a higher or lower molecular weight? Why, or why not? 200 words minimum
What precaution is taken to warn firefighters or emergency responders of the presence of a substance that may autopolymerize? Which of the following statements about polymer decomposition and combustion is INCORRECT?
Determine the formation constant, Kf, of AC5. Kf=? The solubility of AB(s) in a 1.000-M solution of C(aq) is found to be 0.152 M. What is the Ksp of AB? Ksp=?
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A sample of an oxide of iron weighing 2.40g was heated in a stream of hydrogen until it was completely converted to the metal,
Calculate the molar Gibbs free energy change for the phosporylation of glucose by ATP to produce glucose-6-phosphate. Assuming the reaction happens at 310K and at pH 7. The concentration of ATP, ADP, G6P, and Glu are 1850 µM, 138 µM, 83 µM, and 50..
Calculate the lattice energy for LiF(s) given the following; sublimation energy for Li(s) +166KJ/mol, ?Hf for F(g) +77KJ/mol, first ionization energy of Li(g) +520KJ/mol, electron affinity of F(g) -328KJ/mol, enthalpy of formation of LiF(s) -617KJ..
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