Chemistry concepts and calculations

1. Consider the following reaction: H2 (g) + Cl2 (g) ? 2 HCl (g) You have two fl

1. Consider the following reaction: H2 (g) + Cl2 (g) ? 2 HCl (g) You have two flasks. Flask A IS at equilibrium and has partial pressures of PH2 = 0.958 atm, PCl2 = 0.877 atm and …

1. Consider the following reaction: H2 (g) + Cl2 (g) ? 2 HCl (g) You have two fl

1. Consider the following reaction: H2 (g) + Cl2 (g) ? 2 HCl (g) You have two flasks. Flask A IS at equilibrium and has partial pressures of PH2 = 0.958 atm, PCl2 = 0.877 atm and …

1. Consider the following reaction: H2 (g) + Cl2 (g) ? 2 HCl (g) You have two fl

1. Consider the following reaction: H2 (g) + Cl2 (g) ? 2 HCl (g) You have two flasks. Flask A IS at equilibrium and has partial pressures of PH2 = 0.958 atm, PCl2 = 0.877 atm and …

1. Consider the following reaction: H=-1.4x a. Is the reaction endothermic or ex

1. Consider the following reaction: H=-1.4x a. Is the reaction endothermic or exothermic? b. If this reaction was run in a calorimeter would the temperature of the calorimeter con…

1. Consider the following reaction: If the rate of change of [A] at a given poin

1. Consider the following reaction: If the rate of change of [A] at a given point in time is -1.0 M/s, what is the rate of change of [C] at that same point in time? a. -1.0 M/s b.…

1. Consider the following reaction: SO_2Cl_2(g) SO_2(g)+Cl_2(g) K_p = 2.91x1

1. Consider the following reaction: SO_2Cl_2(g) <=> SO_2(g)+Cl_2(g) K_p = 2.91x10^3 at 298K In a reaction at equilibrium, the partial pressure of SO_2 is 116 torr and that o…

1. Consider the following reaction: SO_2Cl_2(g) SO_2(g)+Cl_2(g) K_p = 2.91x1

1. Consider the following reaction: SO_2Cl_2(g) <=> SO_2(g)+Cl_2(g) K_p = 2.91x10^3 at 298K In a reaction at equilibrium, the partial pressure of SO_2 is 116 torr and that o…

1. Consider the following reaction: a) Determine the standard free energy of the

1. Consider the following reaction: a) Determine the standard free energy of the the reaction at 298K? Q = Consider the following reaction: N2(g) + 3H2(g) rightarrow 2NH3(g) Repor…

1. Consider the following series of elementary reactions #1: I 2 -> 2I #2: CH 4

1. Consider the following series of elementary reactions #1: I2 -> 2I #2: CH4 + I -> CH3 + HI #3: CH3 + I -> CH3I a. Write the overall chemical reaction for this series. …

1. Consider the following specifications for two hard drives: Drive A: Drive dia

1. Consider the following specifications for two hard drives: Drive A: Drive diameter: 3.5'' Platters: 3 RPM: 7,500 Average time needed to move the read heads to a specific track …

1. Consider the following statements about the nucleus. Which of these statement

1. Consider the following statements about the nucleus. Which of these statements is false? a. Neutrons and protons together constitute the nucleus. b. The nucleus is a sizable fr…

1. Consider the following table of solubilities for a new compound you have synt

1. Consider the following table of solubilities for a new compound you have synthesized and want to purify by recrystallization. Explain which solvent would be the best choice and…

1. Consider the following two molecules, which would you expect to have the high

1. Consider the following two molecules, which would you expect to have the higher wave number for c Cand why? Are either of these molecules conjugated? 2. Identify the structure …

1. Consider the following velocity distributions for the SAME gas at two differe

1. Consider the following velocity distributions for the SAME gas at two different temperatures. Which temperature is HIGHER? 1.0 (a) Temperature A (b) Temperature B8 8 08 04 02 0…

1. Consider the gas-phase reaction of PCl5, for which the equilibrium constant h

1. Consider the gas-phase reaction of PCl5, for which the equilibrium constant has the value of 11.5 at 300 degrees Celsius: PCl5 (g) <---> PCl3 (g) +Cl2 (g) a. Suppose enou…

1. Consider the ideal gas law equation used to calculate the moles of H2 (#7 abo

1. Consider the ideal gas law equation used to calculate the moles of H2 (#7 above): PV = nRT n = PV/RT Referring back to this equation, explain what effect (increase, decrease, n…

1. Consider the interconversion of the \'boat\' and \'chair\' conformations of c

1. Consider the interconversion of the 'boat' and 'chair' conformations of cyclohexane BoatChair (a) If the equilibrium constant, K, at 305 K is 1 x 102 and the activation energy,…

1. Consider the interconversion of the \'boat\' and \'chair\' conformations of c

1. Consider the interconversion of the 'boat' and 'chair' conformations of cyclohexane Boat Chair (a) If the equilibrium constant, K, at 305 K is 1 102 and the activation energy, …

1. Consider the oxidation of methanol, CH3OH(g) +3/2(O2)(g) = CO2(g) + 2H2O(l) A

1.         Consider the oxidation of methanol, CH3OH(g) +3/2(O2)(g) = CO2(g) + 2H2O(l) At T 25 degrees Celcius Delta H formation (CO2,g)= -393.51 kj/mol Delta H formation ( H2O,l)…

1. Consider the reaction 2H3PO4 yields P2O5+3H2O Using the information in the fo

1. Consider the reaction 2H3PO4 yields P2O5+3H2O Using the information in the following table, calculate the average rate of formation of P2O5 between 10.0 and 40.0 s. Time (s)...…

1. Consider the reaction 2H3PO4P2O5+3H2O Using the information in the following

1. Consider the reaction 2H3PO4P2O5+3H2O Using the information in the following table, calculate the average rate of formation of P2O5 between 10.0 and 40.0 s. 2. Consider the rea…

1. Consider the reaction 2H3PO4P2O5+3H2O Using the information in the following

1. Consider the reaction 2H3PO4P2O5+3H2O Using the information in the following table, calculate the average rate of formation of P2O5 between 10.0 and 40.0 s. Express your answer…

1. Consider the reaction between 0.3 mL of acetic anhydride and 138 mg of salicy

1. Consider the reaction between 0.3 mL of acetic anhydride and 138 mg of salicylic acid (see balanced reaction below) C3 C OH OH salicylic acid acetic anhydride aspirin acetic ac…

1. Consider the reaction between 0.3 mL of acetic anhydride and 138 mg of salicy

1. Consider the reaction between 0.3 mL of acetic anhydride and 138 mg of salicylic acid (see balanced reaction below) C3 C OH OH salicylic acid acetic anhydride aspirin acetic ac…

1. Consider the reaction for the production of ammonia from nitrogen and hydroge

1.       Consider the reaction for the production of ammonia from nitrogen and hydrogen. N2(g)+ 3 H2(g) D 2 NH3(g)           a)       The initial concentration of NH3 is 10 M and …

1. Consider the reaction of 1-methylcyclopentene with Cl2 and H2O to answer a-e.

1. Consider the reaction of 1-methylcyclopentene with Cl2 and H2O to answer a-e. a. This reaction is an example of (Electrophilic substitution, Electrophilic addition, Elimination…

1. Consider the reaction of 1-methylcyclopentene with Cl2 and H2O to answer a-e.

1. Consider the reaction of 1-methylcyclopentene with Cl2 and H2O to answer a-e. a. This reaction is an example of (Electrophilic substitution, Electrophilic addition, Elimination…

1. Consider the reaction of dimethylammonium ion ((CH 3 ) 2 NH 2 + ) with water:

1. Consider the reaction of dimethylammonium ion ((CH3)2NH2+) with water: 1-1. Select the correct chemical equation: (CH3)2NH2+ (aq) + H2O (l) (CH3)2NH32+ (aq) + H3O+ (aq) (CH3)2N…

1. Consider the reaction system CH4(g) + 2O2(g) CO2(g) + 2H2O(g) + energy, and u

1. Consider the reaction system CH4(g) + 2O2(g) CO2(g) + 2H2O(g) + energy, and use the following choices to describe what happens when the changes below are made to the system at …

1. Consider the reaction when aqueous solutions of chromium(II) iodide and bariu

1. Consider the reaction when aqueous solutions of chromium(II) iodide and barium nitrate are combined. The net ionic equation for this reaction is: 2. Consider the reaction when …

1. Consider the reaction when aqueous solutions of cobalt(II) nitrate and barium

1. Consider the reaction when aqueous solutions of cobalt(II) nitrate and barium chloride are combined. 2. Consider the reaction when aqueous solutions of manganese(II) bromide an…

1. Consider the reaction when aqueous solutions of cobalt(II) sulfate and potass

1. Consider the reaction when aqueous solutions of cobalt(II) sulfate and potassium nitrate are combined. The net ionic equation for this reaction is: 2. Consider the reaction whe…

1. Consider the reaction when aqueous solutions of iron(III) sulfate and ammoniu

1. Consider the reaction when aqueous solutions of iron(III) sulfate and ammonium carbonate are combined. Find the net ionic equation for this reaction, along with states of matte…

1. Consider the reaction when aqueous solutions of potassium acetate and sodium

1. Consider the reaction when aqueous solutions of potassium acetate and sodium hydroxide are combined? what is the net ionic equation? 2.consider the reaction when aqueous soluti…

1. Consider the reaction when aqueous solutions of silver(I) acetate and calcium

1. Consider the reaction when aqueous solutions of silver(I) acetate and calcium iodide are combined. The net ionic equation for this reaction is: 2. Consider the reaction when aq…

1. Consider the reaction: CO( g )+2H2( g )CH3OH( g ) An equilibrium mixture of t

1. Consider the reaction: CO(g)+2H2(g)CH3OH(g) An equilibrium mixture of this reaction at a certain temperature was found to have [CO]= 0.115 M , [H2]= 0.119 M , and [CH3OH]= 0.21…

1. Consider the reaction: a. Calculate K for the reaction Will Ba504 precipitate

1. Consider the reaction: a. Calculate K for the reaction Will Ba504 precipitate if Na,sO, is added to a saturated solution of BaF,? Explain. Pick either #2 or "3 and answer the q…

1. Consider the structural formulas of your solute and the TBA and discuss why t

1. Consider the structural formulas of your solute and the TBA and discuss why the solute is soluble in this solvent. 2. Discuss why the temperature remains constant while a pure …

1. Consider the titration of 25.00 mL of 0. 0 750 M Sn 2+ with 0.10 00 M Fe 3+ i

1. Consider the titration of 25.00 mL of 0. 0 750 M Sn 2+ with 0.10 00 M Fe 3+ in 1 M HCl to give Fe 2+ and Sn 4+ , using a Pt electrode for the cathode and a Standard Hydrogen El…

1. Consider these two solutions: Solution A is prepared by dissolving 5.00 g of

1. Consider these two solutions: Solution A is prepared by dissolving 5.00 g of MgCl2 in enough water to make 0.250 L of solution, and Solution B is prepared by dissolving 5.00 g …

1. Consider this reaction at equilibrium: 2 BrNO (g) 2 NO (g) + Br2 (g) Pr

1. Consider this reaction at equilibrium: 2 BrNO (g) <---> 2 NO (g) + Br2 (g) Predict whether the reaction shift left, shift right, or remain unchanged after each disturbanc…

1. Consider this reaction: 10.5 mL of cyclohexanol and 5 mL of 9 M sulfuric acid

1. Consider this reaction: 10.5 mL of cyclohexanol and 5 mL of 9 M sulfuric acid react to form cyclohexene. a. In this experiment, sulfuric acid is a catalyst. As such, why can it…

1. Considering the electron donating ability of the substituents, which one in t

1. Considering the electron donating ability of the substituents, which one in the following pairs of molecules would you expect to react FASTER in electrophilic aromatic substitu…

1. Considering the trends in ionization energies, would you expect sodium or pot

1. Considering the trends in ionization energies, would you expect sodium or potassium to be more reactive? Explain. 2. Considering the trends in atomic radii, would you expect ce…

1. Continuous data are measured in integer values. cannot be subdivided into mea

1. Continuous data             are measured in integer values.        cannot be subdivided into meaningful information.        could be subdivided into smaller and smaller units. …

1. Convert 0.725 km into feet, using the fact that one km equals 0.621 mile and

1. Convert 0.725 km into feet, using the fact that one km equals 0.621 mile and one mile equals 5280 feet. (Enter your answer to three significant figures.) 2. Convert 0.725 g int…

1. Convert 4 mmol of Magnesium powder (FW 24.31 g/mol), 4 mmol of bromobenzene (

1. Convert 4 mmol of Magnesium powder (FW 24.31 g/mol), 4 mmol of bromobenzene (157.01 g/mol), and 4 mmol of acetophenone (FW 120.15 g/mol) into grams. 2. Show the synthetic trans…

1. Converting pH=2.54 to hydrogen ion concentration, [H + ]. 2. What is the pH o

1. Converting pH=2.54 to hydrogen ion concentration, [H+]. 2. What is the pH of a 7.93×10-4 molar solution of a strong acid? 3. If the pH of a solution of a strong base is 8.75, w…

1. Cooper(2) sulfate and sodium phosphate What did you observe? What is the bala

1. Cooper(2) sulfate and sodium phosphate What did you observe? What is the balanced molecular equation? What is the ionic equation? What is the net ionic equation? 2. Nickel(2) c…

1. Cooper(2) sulfate and sodium phosphate What did you observe? What is the bala

1. Cooper(2) sulfate and sodium phosphate What did you observe? What is the balanced molecular equation? What is the ionic equation? What is the net ionic equation? 2. Nickel(2) c…