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Rank the following reactions in terms of increasing ?E for the reaction system (from most negative to most positive). All occur at a constant pressure of 1.000 atm.
Reaction 1: The surroundings get 25°C colder and the system expands from 1.0L to 5.0L.
Reaction 2: The surroundings get 25°C colder and the system contracts from 5.0L to 1.0L.
Reaction 3: The surroundings get 25°C warmer and the system expands from 1.0L to 5.0L.
a)Reaction 2 < Reaction 3 < Reaction 1
b)Reaction 3 < Reaction 1 < Reaction 2
what volume should you dilute 43.5mL of a 4.00M KI solution so that 24.0mL of the diluted solution contains
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460. mL of hydrochloric acid (HCl) acid is exactly neutralized with 485 mL 0.660 M NaOH solution. What is the concentration of the acid solution.
Metals such as magnesium and zinc react with dilute sulfuric acid to give hydrogen, according to the equation: M (s) + H2SO4 (aq) -------> MSO4 (aq)
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The resulting solution required 51.30 mL of 0.08765 M AgNO3(aq) to precipitate the Cl-(aq) and Br-(aq) as AgCl(s) and AgBr(s). Calculate the mass percentage of NaCl(s) in the mixture.
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NO(2) + CO--> NO +CO(2) is 125 Kj/mol and delta E for reaction is -216 kJ/mol. What is the activation energy for the reverse reaction. (NO+CO(2)--> NO(2) +CO
The resulting solution freezes at 26.5 oC. If Kf for the solvent is 1.74 o C/m then determine the molar mass of the nonelectrolyte compound?
Fluoride, in the form of sodium silicofluoride (Na2SiF6), is commonly added to municipal drinking water to prevent tooth decay. It is generally added at a level of 1.0 mg/L,
how much heat must be added to 36.2g sample of iron to increase its temperature by 250.0 degree C.
sodium acetate solution with 0.250MHCl, what will be the pH at the equivalence point? The Ka for acetic acid is 1.8x 10^-5
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