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A metal salt with the formula MCl2 crystallizes from water to form a solid with the composition MCl2⋅6H2O. The equilibrium vapor pressure of water above this solid at 298 K is 11.8 mmHg.
What is the value of ΔG for the reaction MCl2⋅6H2O(s)?MCl2(s)+6H2O(g) when the pressure of water vapor is 11.8 mmHg ?
ΔG= ?
What is the value of ΔGorxn when the pressure of water vapor is 760 mmHg?
ΔGorxn = ?
What are the major species present in 0.250 M solutions of each of the following acids? Calculate the pH of each of these solutions.
The following equilibrium is eventually established. 2 NO(g) + 2 H2(g) = N2(g) + 2 H2O(g) At equilibrium [NO] = 0.062 M. a. Calculate the equilibrium concentrations of N2, H2, and H2O. b. Calculate Kc.
Barium sulfate, , is used in medical imaging of the gastrointestinal tract because it is opaque to X rays. A barium sulfate solution, sometimes called a cocktail
Why might it be attractive to research the use of alloys that do not contain lead, Pb; however, exhibit similar properties associated with lead-containing alloys?
What is the sum of the stoichiometric coefficients the formation reaction for methanol (CH3OH). Enter any fraction as a decimal.
What is the molar mass of C15H26O16? For credit, please show your work, that is, show all units, steps, set-ups, operations, work in a logical roadmap, etc.
What are the chemical combinations that result in skin-safe ingredients?
a graduated cylinder contains 138 of water. a 19.0 piece of iron density 7.86 and a 25.0 piece of lead are added.
A student determines that a 5.869g sample of solid displaces 1.75 mL of water in a graduated cylinder. Another student measures a 7.254g sample of the same metal. What volume of water should the second sample displace
Using Heisenberg's uncertainty principle, calculate the uncertainty in the position of a proton moving at a speed of 4.70 +- .01*10^4.
how does its vapor pressure change over time? It continues to steadily increase. It increases at first, then remains constant
A bottle at 21.0C contains an ideal gas at a pressure of 126.4 × 103 Pa. The rubber stopper closing the bottle is removed. The gas expands adiabatically against Pexternal = 101.9 × 103 Pa, and some gas is expelled from the bottle in the process.
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