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1. What was the calculated PH value obtained for the reaction NH3 + HCl -› NH4Cl using the thermodynamic data NaOH (aq) + HCl (aq)--> H2O(l) +NaCl (aq) NaOH (aq) + NH4Cl(aq)---> NH3 + NaCl + H2O(l) NH4Cl 2M 20ml NH4OH 2M 10ml HCL 2M 20ml NaOH 2M 20ml a.-52.2 kJ b.80.29kJ c.-167.2kJ d.-80.29kJ e.52.2kJ Please show work as I am completely lost
how many moles of HNO3 are present in 33.0 mL of a 4.70M solution ?
Calculate concentrations of OH- and the pH of each basic solution. Since NaOH donates on OH- ion for each NaOH molecule, the OH- concentration is equivalent to the NaOH molarity. The pOH is calculated as -log[OH-] and the pH is calculated as 14-pO..
A 0.100 M solution of a weak acid, HX, has a pH of 2.110. What is the value of Ka for HX?
-13 degrees C air pressure in an auto tire is 1.5 atm. if the volume does not change, what is the pressure after the tire has warmed to 15 degrees C?
Show whether or not precipitate will form in this process when the Ksp of Pbl = 9.8*10 -9
Working with ideal gas law, The pressure of a sample of gas at a constant temperature of 25 degrees C is increased from 1.0atm to 1.3atm
Calculate the pH of this buffer solution after the addition of 0.010 moles of solid sodium hydroxide to the buffer
The number of different constitutional isomers that can be drawn for C2H4Br2 is equal to
A graduated cylinder contains 25.0 of water. What is the new water level after 34.2 of silver metal with a density of 10.5 is submerged in the water.
Determining System Equilibrium, A one-litre cylinder at 458'C is found to contain 0.36 moles of HI (g), 0.15 moles of I 2(g), and 0.18 moles of H2(g). Is this system at equilibrium?
A cylinder contains a mixture of hydrogen and chlorine molecules. Compare without doing any calculations
Free radicals are also important in many environmentally significant reactions. For example, photochemical smog, which forms as a result of the action of sunlight on air pollutants, is formed in part by the following two steps.
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