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Given the following reaction, calculate the enthalpy, entropy and free energy changes for this reaction at 25 degrees C. Mg(s) + H2O(g) yeilds Mg(OH)2(s) + H2(g)
What is the approximate pH of a solution prepared by adding 20 mL of 0.10 M NaOH to 200 mL of 0.10 M HCl?
Determine why would the P have been higher or lower if the H 2 O had been at pH 5?
What is the change in internal energy (in J) of a system that absorbs 0.330 kJ of heat from its surrounding and has 0.586 kcal of work done on it in scientific notation.
What is the concentration of phosphate ions in this saturated solution? options: 0.00240 M 0.0216 M 0.00360 M 0.00720 M
Calculate the fraction of hexane molecules that reside in the vapor above the solution
a mixture of 2- percent ammonia 55 percent hydrogen and 25 percent nitrogen by a volume 9.8 newton per square meter. what is partial pressure of ammonia?
The half-life of a chemical rxn is 8.00 minutes. Starting with a 0.500 M soln, APPROXIMATELY how much unreacted material would be remaining after 46 minutes
Use the formula for ?G to find ?G for a reaction if ?G° = 7.27 kJ?/?mol, T = 282 K, R = 8.31 × 10?3 kJ?/?mol?•?K, and Q = 0.67. Also, tell whether the reaction will shift toward the products or reactants to reach equilibrium
design taskdesign a tube and shell heat exchanger for the fluids and duty given for you and complete project management
what is the concentration m of ch3oh in a solution prepared by dissolving 16.8 g of ch3oh in sufficient water to give
consider the following reaction; 3 NO2 + H2O-2HNO3 + NO. what volume of water is needed to produce 2.00 kg of HNO3? (the density of water= 1.00 g/ml). the number of hydrogen atoms in 25 g of C6H1206 is
1. some sulfuric acid is spilled on a lab bench. it can be neutralized by sprinkling sodium bicarbonate on it and then
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