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Utilizing thermodynamic data from your notes, compute the change in Gibbs free energy for each of the following reactions using Gf's. In each case indicate whether the reaction is spontaneous under standard conditions. (a) HCl(g) + NaOH(aq) NaCl(s) + H2O(l) kJ spontaneous nonspontaneous (b) H2(g) + Cl2(g) 2 HCl(g) kJ spontaneous nonspontaneous (c) 6 Cl2(g) + 2 Fe2O3(s) 4 FeCl3(s) + 3 O2(g) kJ spontaneous nonspontaneous (d) Mg(OH)2(s) + 2 HCl(g) MgCl2(s) + 2 H2O(l) kJ spontaneous nonspontaneous
A strong line in the spectrum of atomic mercury has a wavelength of 254 nm. While mercury emits a photon of light at this wavelength, the frequency of this light is
Calculate the molarity of the NaCl solution in the tank and the volume of the tank in liters. Reaction: NaCl(aq) + AgNO3(aq) -> AgCl(s) + NaNO3
A solution is prepared by dissolving 14.4 g ammonium sulfate in enough water to make 100.0 mL of stock solution. A 11.50 mL sample of this stock solution is added to 55.00 mL of water.
What is the heat produced (in kJ) by combustion of 1.00 mol of liquid methanol in the presence of oxygen
the Center of Science and Industry (COSI) and saw and exhibit called shadow pictures. It is where you stand in front of this "screen-like board"
A gas has a volume of 50.0 cm3 at a temperature of -73 C. What volume would the gas occupy at a temperature of -123 C if the pressure stays constant?
which mixture would not be expected to be homogeneous? pentanol and hexane kbr and water acetic acid and methanol
In a thermite reaction, powdered aluminum reacts with iron (III) oxide to make aluminum oxide and molten iron What mass of aluminum oxide is produced when 2.3 grams of aluminum reacts with iron (III) oxide
According to VSEPR theory, if there are five electron domains in the valence shell of an atom, what will be the expected electron domain geometry.
Calcium (Ca+2) and Magnesium (Mg+2) ions are both present in seawater [Ca+2] = 0.011M and Mg+2 = 0.059 M. When aqueous sodium hydroxide (NaOH) is gradually added to the seawater, calcium hydroxide
the human eye contains a molecule called 11-cis-retinalthat changes conformation when struck with light of
If a bottle of nail polish remover contains 176 mL of acetone, how much heat would be released by its complete combustion? The density of acetone is 0.788g/mL.
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