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One mole of H2O(g) at 1.00 atm and 100.°C occupies a volume of 30.6 L. When one mole of H2O(g) is condensed to one mole of H2O(l) at 1.00 atm and 100.°C, 40.66 kJ of heat is released. If the density of H2O(l) at this temperature and pressure is 0.996 g/cm3, calculateΔEfor the condensation of one mole of water at 1.00 atm and 100.°C.
explain the apparent paradox. although the addition of one equivalent of HX to an alkyne is more exothermic than the addition of HX to an alkene, an alkene reacts faster
how many liters of the HCN solution must be added to the NaCN to prepare the buffer. Now add 1.60grams of NaOH (solid) to the buffer. What will be the new pH.
Determine the amount of work that must be supplied to the compressor and the temperature of the gas leaving the compressor b) Determine the heat load on the heat exchanger
Problem- Given that P*(H2O)=0.02308 atm and P(H2O)=0.02171 atm in a solution in which 0.207 kg of a non-volatile solute(M=298g/mol)is dissolved in 0.892kg water at 293K, calculate the activity of and activity coefficient of water in the solution
Write the balanced chemical equation for this acid-base reaction, identifying theconjugate acid/base pairs. If the base-dissociation constant of B is 1 × 10−3, what is the pH at the midpointof the bu?er region. What are the chemical components of t..
How many moles of hydrogen are consumed when 40.0 L of hydrogen chloride gas are produced in the following equation? H2 + Cl2 ---> 2HCl
analyze run-off water for the presence of a.) heavy metals; b.) BTX( Benzene-toluene-xylenes); and c.) PNA ( polynuclear aromatic compounds).
Explain Ammonia and hydrogen chloride gases react to form solid ammonium chloride. A 10.0 L reaction flask contains ammonia at 0.444 atm and 22°C, and 146 mL of hydrogen chloride gas at 7.50 atm and 271 K is introduced.
a water soluble salt forms a precipitant during Group 3 analysis. An acidic solution of this precipitant and NaBiO3 yields a pinkish color. This same salt has no reaction to concentrated H2SO4 or AgNO3, what is the chemical formula for this salt?
calculate the amount of energy present in the following photons and find the region of electromagnetic spectrum for
Problem- The equation of line determined from a Beer's Law plot is y = 0.195x + 0.4. What is the concentration of an unknown water sample if the assumed resistance is 650 ohms
the greek mathematician archimedes is credited with discovering how to verify the amount of pure gold in an
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