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Author Archives: Anonymous

Consider a 0.010 M Sr(OH)2, calculate the pH of this solutio…

Consider a 0.010 M Sr(OH)2, calculate the pH of this solution. Show your solution in your scratch paper that needs to be uploaded. No solution no points. Observe significant figure rules.

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The Haber-Bosch process is the main industrial route to prod…

The Haber-Bosch process is the main industrial route to production of ammonia and is written as: N2(g) +3H2(g) ↔ 2NH3(g) with a ΔH° for the reaction being -92.4 kJ/mol. How would a decrease in the volume of the container affect the equilibrium ? Which direction, if any, will the reaction go to re-establish the equilibrium?

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If I mix an equimolar (same amount of moles) amount of a wea…

If I mix an equimolar (same amount of moles) amount of a weak acid (HCN) and a strong base (NaOH), what will be the pH of the combined solution after the reaction (pH >, < or = 7) ?   

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Kc is equal to 0.28 for the following reaction at 900 °C: CS…

Kc is equal to 0.28 for the following reaction at 900 °C: CS2(g)+4H2(g) ⇌ CH4(g) + 2H2S(g) What is KP at this temperature?

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Consider a sealed vessel containing the H2, I2, and HI gases…

Consider a sealed vessel containing the H2, I2, and HI gases at equilibrium according to the equation: 2HI(g) ↔ H2(g) + I2(g) with a ∆H°reaction = -299 kJ/mol. Predict how the following changes affect the equilibrium (forward, reverse, no change). Addition of a catalyst

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Consider the equilibrium constant Kc for the reaction: N2O4(…

Consider the equilibrium constant Kc for the reaction: N2O4(g) ↔ 2NO2(g) is 0.211 at 100°C. What is the value for the equilibrium constant is the reaction is balanced as ½ N2O4(g) ↔ NO2(g) ? Show your solution in your scratch paper that needs to be uploaded. No solution no points. Observe significant figure rules.  

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An ecosystem includes:

An ecosystem includes:

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Fast-moving rivers usually have:

Fast-moving rivers usually have:

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Which violates Hardy-Weinberg conditions?

Which violates Hardy-Weinberg conditions?

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Binary fission is a form of:

Binary fission is a form of:

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