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Calculate the change in Gibbs free energy for each of the following reactions. In each case indicate whether the reaction is spontaneous under standard conditions.
A) H2(g)+Cl2(g)-> 2HCl(g)
B) MgCl2(s)+H2O(l)-> MgO(s)+ 2HCl(g)
C) 2NH3(g) -> N2H4(g)+H2(g)
D) 2NOCl(g)-> NO2(g)+Cl2(g)
the dimensions of aluminum foil in a box for sale in supermarkets are 66^2/3 yards by 12 inches. The mass of the foil is 0.83 kg.
how many moles of hydrogen ions were converted to water when 85. ml of 1.0 M hydrochloric acid were neutralized by sodium hydroxide.
A sample of neon is collected at 2.7 atm and 12.0 degrees celcius. If has a volume of 2.25 L. What would be the volume of this gas as STP?
Write a detailed mechanism for this reaction that accounts for the net retention of detailed mechanism for this reaction that accounts for the net retention of configuration when Ag+ and a low concentration of hydroxide are used.
What is the total combined mass of carbon dioxide and water that is produced when an automobile gasoline tank holds 20 of gasoline. When the gasoline burns, 85 of oxygen is consumed and carbon dioxide and water are produced?
Determine the concentrations of BaBr2, Ba2 , and Br- in a solution prepared by dissolving 1.62 × 10-4 g BaBr2 in 1.50 L of water.
How many molecules of carbon dioxide are produced when 121 molecules of acetylene (HCCH) to react in excess oxygen produce carbon dioxide and water?
Draw the Lewis structure of the major resonance form of the thiosulfate ion, S2O3 2-. Include all lone pairs of electrons. Include formal charges on atoms with charges.
sample melts before you were ready to read the temperature. Should you cool the capillary and start again or prepare a fresh sample? Explain.
What is the alkalinity of the river, What concentration of acid, for example, HCl, would result in a pH of 7.5
Benzene is a trace component of gasloine. What is the mole ratio of benzene to n-octant in the vapor above a solution of 40.0% benzene and 60.0% n-octane by the mass
Calculate the volume of hydrogen gas at 25 celcius and 1.00atm required to produce an amount of energy equivalent to that produced by the combustion of a gallon of octane (C8H18).
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