Okay rainbowpower, here's your test. It's also definitely not my chemistry homework.
Application Test
1. The following chemical equation represents the reaction between hydrogen and chlorine to form hydrogen chloride.
This is an image of a chemical equation. H2 + Cl2, equilibrium reaction arrows, 2HCl + 183.92 kJ.
List four important pieces of information conveyed by this equation.
What are three important areas of interest concerning this reaction for which no information is indicated?
2. What is the effect on the equilibrium concentration of each substance in the system (increase, decrease or no change) when the listed reagents are added?
H2(g) is added to the system described by:
This is an image of a chemical equation. C2H6, equilibrium reaction arrows, H2 + C2H4.
heat is added t to the system described by:
This is an image of a chemical equation. CO + 0.5O2, equilibrium reaction arrows, CO2 + heat.
CuSO4(g) is added to the system described by:
This is an image of a chemical equation. Cu 2plus + 4NH3, equilibrium reaction arrows, Cu(NH3)3 2plus.
Pb(NO3)2(s) is added to the system described by:
This is an image of a chemical equation. PbSO4 + H plus, equilibrium reaction arrows, Pb 2plus + HSO4 minus.
AgCl(s) is added to the system described by:
This is an image of a chemical equation. Ag plus + Cl minus, equilibrium reaction arrows, solid AgCl.
3. The following equation represents one method for making methanol:
This is an image of a chemical equation. CO + 2H2, equilibrium reaction arrows, CH3OH + heat.
Predict the effect on the equilibrium concentrations of all substances if:
the temperature is increased.
the pressure is increased.
4. What would happen in each of the following systems at equilibrium if the total pressure is increased? The reactants and products are all gases.
HI is formed from hydrogen and iodine
H2S is formed by reacting hydrogen and sulphur
5. Consider the following system:
This is an image of a chemical equation. A + 2B, equilibrium reaction arrows, 2C + 2D Delta H = 21 kJ/mol
Which of the following choices will increase the quantity of C?
adding a catalyst
decreasing the [B]
increasing the pressure
increasing the temperature
6. Acetic acid dissociates according to the following equation.
This is an image of a chemical equation. CH3COOH, equilibrium reaction arrows, H plus + CH3COO minus
Which of the following will occur if sodium acetate, NaCH3COO, is added to the solution?
a precipitate will be formed
more acetic acid will be ionized
the concentration of hydrogen ions will decrease
the solution will become more acidic
[T] ~~~~~> [Tigma] <~~~~~ [Sigma]
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