Interpretation:
The effect of acid
Concept Introduction:
Le Chatelier's Principle (Kp): The closed system is an increase in pressure, the equilibrium will shift towards the sides of the reaction with some moles of gas. The decrease in pressure the equilibrium will shift towards the side of the reaction with high moles of gas.
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CHEMISTRY: ATOMS FIRST ALEKS CODE
- Calculate equilibrium constants for the following reactions at 208 K. Indicate whether the equilibrium as written is reactant- or product-favored at equilibrium. (a) Co(s) + Ni2+(aq) Co2+(aq) + Ni(s) (b) Fe3+(aq) + Cr2+(aq) Cr3+(aq) + Fe2+(aq)arrow_forward. Calcium sulfate, CaSO4, is only soluble in water to the extent of approximately 2.05 g/L at 25 °C. Calculate Kspfor calcium sulfate at 25°C.arrow_forwardThe thermite reaction is 2Al(s) + Fe2O3(s) Al2O3(s) + 2Fe(s) (a) Calculate G for this reaction. (b) Calculate Keq for this reaction. Assume T = 298 K. You may have to do some mathematical manipulations to get your final numerical answer.arrow_forward
- How is the pH scale defined? What range of pH values corresponds to acidic solutions? What range corresponds to basic solutions? Why is pH = 7.00 considered neutral? When the pH of a solution changes by one unit, by what factor does the hydrogen ion concentration change in the solution? How is pOH defined? How arc pH and pOH for a given solution related? Explain.arrow_forwardWrite the K_, expression for each of the following equilih ria for dissolution of the salt in water. Agl(s) *=* Ag+(aq) + I"(aq) Phl,(s)«=± Pb’+(aq) + 2 r(aq) Hg?L «=* Hg<+(aq) + 2 I_(aq) Cu(IO,)2 *=* Ctr+(aq) + 2 IO,-(aq)arrow_forwardIron concentrations greater than 5.4106 M in water used for laundry purposes can cause staining. What [OH-] is required to reduce [Fe2+] to this level by precipitation of Fe(OH)2?arrow_forward
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- If I add the following will the system shifts forward, backward or remains the same? Ag2CrO4 (s) ⇌ 2 Ag+ (aq) + CrO42- (aq) (a) Add more Ag+(b) Add CrO42-(c) Add Ag2CrO4 (s)(d) Add Acid(e) Add ammoniaarrow_forwardAccording to the following reaction, SO_3 gas is produced when SO_2 gas reacts with molecular oxygen. 2SO_2 + O_2 2SO_3 The initial concentrations for each gas are given as SO_2 = 0.67 mol/L O_2 = 0.20 mol/L SO_3 = 0.00 mol/L At 520K, the equilibrium constant for the reaction is 7.5. Calculate A for the initial concentration. Does the reaction go forward or reverse to reach equlibrium? Show your work.arrow_forwardWhat is the equlibrium constant for the following reaction at a temperature of 298 K? HCl(g) + H2O(l) = H3O+(aq) + Cl-(aq) Group of answer choices between -1.0 x 105 and -1.0 x 106 between -1.0 x 106 and -1.0 x 107 between 0 and -1.0 x 105 0 between 1.0 x 106 and 1.0 x 107 between 1.0 x 105 and 1.0 x 106 between 0 and 1.0 x 105arrow_forward
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