South Pasadena · AP Chemistry
... 11. Ammonium chloride is placed inside a closed vessel where it comes into equilibrium at 400C according to the equation shown. Only these three substances are present inside the vessel. If Kp for the system at 400C is 0.640, what is the pressure inside the vessel? NH4Cl(s) NH3(g) + HCl(g) 12. Bro ...
... 11. Ammonium chloride is placed inside a closed vessel where it comes into equilibrium at 400C according to the equation shown. Only these three substances are present inside the vessel. If Kp for the system at 400C is 0.640, what is the pressure inside the vessel? NH4Cl(s) NH3(g) + HCl(g) 12. Bro ...
AP 2005 chemistry form b free
... (b) Calculate the minimum volume of 5.0 M H2SO4 that the student must use to react completely with 2.7 g of aluminum metal. (c) As the reaction solution cools, alum crystals precipitate. The student filters the mixture and dries the crystals, then measures their mass. (i) If the student weighs the c ...
... (b) Calculate the minimum volume of 5.0 M H2SO4 that the student must use to react completely with 2.7 g of aluminum metal. (c) As the reaction solution cools, alum crystals precipitate. The student filters the mixture and dries the crystals, then measures their mass. (i) If the student weighs the c ...
Calculations with Chemical Formulas and Equations Chapter 3
... The limiting reactant (or limiting reagent) is the reactant that is entirely consumed when the reaction goes to completion. The limiting reagent ultimately determines how much product can be obtained. For example, bicycles require one frame and two wheels. If you have 20 wheels but only 5 frames, it ...
... The limiting reactant (or limiting reagent) is the reactant that is entirely consumed when the reaction goes to completion. The limiting reagent ultimately determines how much product can be obtained. For example, bicycles require one frame and two wheels. If you have 20 wheels but only 5 frames, it ...
Competition for Electrons
... track of electrons based on the arbitrary assumption that shared electrons belong to the more electronegative element n Rules for assigning oxidation numbers q Oxidation numbers for atoms that are free elements are always zero q The oxidation numbers of ions are the same as the charge on the ion q S ...
... track of electrons based on the arbitrary assumption that shared electrons belong to the more electronegative element n Rules for assigning oxidation numbers q Oxidation numbers for atoms that are free elements are always zero q The oxidation numbers of ions are the same as the charge on the ion q S ...
Redox Reactions and Electrochemistry
... balanced. The next step is to combine the two halfreactions to form an overall equation. 6) Multiply through each half-reactions by appropriate coefficients to match electrons in each half-reaction. (i.e. number of electrons lost by the oxidized species must equal the number gained by the reduced on ...
... balanced. The next step is to combine the two halfreactions to form an overall equation. 6) Multiply through each half-reactions by appropriate coefficients to match electrons in each half-reaction. (i.e. number of electrons lost by the oxidized species must equal the number gained by the reduced on ...
Analyze
... Octane at –57˚C is a solid just about to melt. As energy is added the solid octane melts and its temperature does not change until all the solid is melted. Only when octane is entirely liquid does added energy increase the temperature of the liquid until the boiling point of octane is reached. Durin ...
... Octane at –57˚C is a solid just about to melt. As energy is added the solid octane melts and its temperature does not change until all the solid is melted. Only when octane is entirely liquid does added energy increase the temperature of the liquid until the boiling point of octane is reached. Durin ...
prs-A3
... A possible structural formula of an organic acid with the formula C4H8O2 1. All organic acids have a -COOH ...
... A possible structural formula of an organic acid with the formula C4H8O2 1. All organic acids have a -COOH ...
Equation Writing Information
... reacts with a base (salt and water being formed). Example Write the net ionic equation for the reaction of sulphur dioxide gas with sodium hydroxide solution Answer: SO2(g) + 2OH-(aq) ---> SO32-(aq) + H 2O MISCELLANEOUS REACTIONS INVOLVING NaOH AND KOH KOH(aq) and Hydrogen Sulphide (H2S) gas Hydroge ...
... reacts with a base (salt and water being formed). Example Write the net ionic equation for the reaction of sulphur dioxide gas with sodium hydroxide solution Answer: SO2(g) + 2OH-(aq) ---> SO32-(aq) + H 2O MISCELLANEOUS REACTIONS INVOLVING NaOH AND KOH KOH(aq) and Hydrogen Sulphide (H2S) gas Hydroge ...
Chapter 3
... D. 6 31. How many grams of NO2 are there in 1.55 mol of NO2 ? A. 71.32 g * B. 199 g C. 80.01 g D. 200 g 32. Calculate the percent of nitrogen in Mg(NO3)2 A. 18.89% * B. 9.44% C. 17.10% D. 16% 33. Which of the following is an empirical formula ? A. CO2 * B. C6H12O6 C. S8 D. O2 ...
... D. 6 31. How many grams of NO2 are there in 1.55 mol of NO2 ? A. 71.32 g * B. 199 g C. 80.01 g D. 200 g 32. Calculate the percent of nitrogen in Mg(NO3)2 A. 18.89% * B. 9.44% C. 17.10% D. 16% 33. Which of the following is an empirical formula ? A. CO2 * B. C6H12O6 C. S8 D. O2 ...
Exam 4 - Chemistry Courses
... than the initial total pressure. D. The equilibrium partial pressure of BrCl(g) will be greater than 2.00 atm. E. The reaction will go to completion since there are equal amounts of Br2(g) and Cl2(g). ...
... than the initial total pressure. D. The equilibrium partial pressure of BrCl(g) will be greater than 2.00 atm. E. The reaction will go to completion since there are equal amounts of Br2(g) and Cl2(g). ...
Document
... Ca(s) + H2O(l) Ca(OH)2(aq) + H2(g) OHYesis oxidized?Ca What element What element is reduced?H What is the oxidizing agent? H2O What is the reducing agent? Ca ...
... Ca(s) + H2O(l) Ca(OH)2(aq) + H2(g) OHYesis oxidized?Ca What element What element is reduced?H What is the oxidizing agent? H2O What is the reducing agent? Ca ...
Redox Reactions and Electrochemistry
... balanced. The next step is to combine the two halfreactions to form an overall equation. 6) Multiply through each half-reactions by appropriate coefficients to match electrons in each half-reaction. (i.e. number of electrons lost by the oxidized species must equal the number gained by the reduced on ...
... balanced. The next step is to combine the two halfreactions to form an overall equation. 6) Multiply through each half-reactions by appropriate coefficients to match electrons in each half-reaction. (i.e. number of electrons lost by the oxidized species must equal the number gained by the reduced on ...
Lecture notes
... Heat transfer causes a change in temperature and we can measure the amount of energy (in the form of heat) required to afford a specific change in temperature. We can’t measure heat directly so instead we calculate it from the resultant change in temperature (∆T) when heat (q) is transferred between ...
... Heat transfer causes a change in temperature and we can measure the amount of energy (in the form of heat) required to afford a specific change in temperature. We can’t measure heat directly so instead we calculate it from the resultant change in temperature (∆T) when heat (q) is transferred between ...
Lecture 4
... Important exceptions are acids and compounds such as ammonia that react with water to form ions. Strong and Weak Electrolytes Strong electrolytes exist in solution completely or nearly completely as ions. Weak electrolytes produce small concentrations of ions when they dissolve. Do not confuse the e ...
... Important exceptions are acids and compounds such as ammonia that react with water to form ions. Strong and Weak Electrolytes Strong electrolytes exist in solution completely or nearly completely as ions. Weak electrolytes produce small concentrations of ions when they dissolve. Do not confuse the e ...