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Given that the standard free energy of formation of MCl2(s) and MO2(s) are, respectively, -311.5 and -286.5 kJ/mol at 25o C. What is the standard change in free energy (kJ) for the following reaction? [Note (all at 25oC): Standard free energies of formation for H2(g), O2(g), and HCl(g) are, respectively, 0, 0, and and -95.30 kJ/mol.]
MCl2(s) + O2(g) + H2(g) ? MO2(s) + 2 HCl(g)
How many different tripeptides can be made from two molecules of glycine and one molecule of histidine
What is the concentration of Cu2+ in the following cell at 25 degrees C if the cell voltage is 0.955V?
degress C in boling water and then dropped the hot coins into 43.0 g of water at a temperature of 15.5 C in a coffee cup calorimeter. The final temperature of the water and the coins was 21.5 C.
A small collection of dimes and quarters are submerged in 10.00 mL of water in a graduated cylinder causing the water level to rise to the 18.87 mL mark. What is the combined monetary value (in Can$) of those coins?
calculate the concentration of Hg2 +2 in a saturated aqueous solution of (Hg2)3[Co(CN)6]2 which dissociates into mercurous ion and Co(CN)6 -3 (cobalticyanide).
how many moles of Ba(OH)2 are present in 165ml of 0.600M Ba(OH)2.
A system equilibrium at 25 degrees Celsius in a 1.0L container was found to contain 0.0568 moles of BrCl, 0.0216 moles of Br2, and 0.0216 moles of Cl2. If 0.020 moles of BrCl is added to this system, determine the new equilibrium concentrations.
Calculate the total number of ions in a single crystal of epsomite. Assume a crystal is cube?
How many moles of oxygen are consumed in burning 1.60 moles of benzene, C6H6?
The value of Delta g for the conversion of 3-phosphoglycerate to 2-phosphoglycerate (2PG) is +4.4 kj/mol. If the concentration of 3-phosphoglycerate at equilibrium is 2.55 mM, what is the concentraction of 2 phosphoglycerate? assume a temperature ..
a 1.00 liter solution contains 1.00 mol of weak acid HX. After 0.60 mol of Oh- is added to this olution, the pH of the solution is 4.00. Calculate the Ka for the acid HX.
With respect to the Cooper pair model, explain why increasing temperature reduces the effectiveness of low-temperature superconductors.
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