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12. For the chemical reaction, Al20s(s) + 3 H2 (. p-1 atm) 2 Al(s)3 H200) at...
1) At 298 K, an equilibrium mixture contains P H2=0.958 atm, P I2= 0.877 atm and...
1) At 298 K, an equilibrium
mixture contains P H2=0.958 atm, P I2= 0.877 atm and P HI=0.020
atm. Please try and answer all!
You must show all your work to receive credit. Watch sig figs! Consider the reaction: 1) At 298 K, an equilibrium mixture contains P H2-0.958 atm, P ½=0.877 atm, and P HI-0.020 atm. Calculate the value of the equilibrium constant Kp? a) (o, o2) 0.938x o.87? b) And what is the value of the equilibrium constant...
Calculate the standard-state entropy for the following reaction: 1 Al2O3(s) + 3 H2(g) ? 2 Al(s) + 3 H2O(l) (If applica...
Entropy, denoted by the symbol S, is the thermodynamic property describing the amount of molecular randomness or disorder in a system. It is a state thermodynamic function, meaning that its value does not depend on the path used to arrive at a specific set of conditions. Each system with a specified temperature, pressure, and composition has a unique entropy value. The entropy change, ΔS, is the difference in entropy between two states of a system, such as between the reactants and...
1 atm pressure A mixture of gaseous reactants is put into a cylinder, where a chemical...
1 atm pressure A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The cylinder has a piston that moves in or out, as necessary, to keep a constant pressure on the mixture of 1 atm. The cylinder is also submerged in a large insulated water bath. (See sketch at right.) piston cylinder water bath The temperature of the water bath is monitored, and it is determined from this data that...
Under the conditions shown below for the following reaction. Fe2O3(s) + 3 CO(g) - 2 Fe(s)...
Under the conditions shown below for the following reaction. Fe2O3(s) + 3 CO(g) - 2 Fe(s) + 3 CO2(g) AG° = -28.0 kJ P(CO) - 3.1 atm, P(CO2) - 1.7 atm Calculate Arxn at 298 K, and indicate if the reaction is more or less spontaneous under these conditions than under standard conditions? -4.5 kJ, more spontaneous than under standard conditions None of these -4.5 kJ, less spontaneous than under standard conditions -23.5 kJ, more spontaneous than under standard conditions...
For the reaction N2(g) + 3 H2(g) = 2 NH3(g), what is AG (in kJ) at...
For the reaction N2(g) + 3 H2(g) = 2 NH3(g), what is AG (in kJ) at 298 K when the pressures of the gases are: P(N2) .13 atm P(H2) = 6.2 x 10-5 atm P(NH3) = 1.8 atm? O +47.0 O-113 O-2.49 0 -33.0 O +1.73
28 Consider the following balanced chemical reaction: 6 HCI + 2 Al -------...-> 3 H2 +...
28 Consider the following balanced chemical reaction: 6 HCI + 2 Al -------...-> 3 H2 + 2 AICI How many grams of AlCly can be produced when 50.00 g of HCl react with 10.00 g of AI? Place your answer in the box. For your calculation, use atomic masses that have been rounded to the closest hundredths of an amu (two places to the right of the decimal point). Express your answer using only a number or numbers without text....
1. Consider the reaction: 2NH3(g) → N2(g) + 3 H2 (8) AG = +33.3 kJ a....
1. Consider the reaction: 2NH3(g) → N2(g) + 3 H2 (8) AG = +33.3 kJ a. Is this reaction spontaneous? Explain. b. Predict the sign of AS. Explain. C. Based on your answer to part b, is this reaction exothermic or endothermic? Explain. For the reaction N2(g) + 3H2(g) 2NH3 (8) a. Using values in Appendix Cin your book, calculate AHⓇ and AS. b. Assuming that AHºand ASº don't change with temperature, calculate the value for AG at 400K Is...
1) What is the ΔrG° for the following reaction (in kJ mol-1)? 2 Al (s) +...
1) What is the ΔrG° for the following reaction (in kJ mol-1)? 2 Al (s) + Fe2O3 (s) ⇌ Al2O3 (s) + 2 Fe (s) 2) What is the ΔrG° for the following reaction (in kJ mol-1)? C6H12O6 (s, glucose) + 6 O2 (g) ⇌ 6 CO2 (g) + 6 H2O (l) 3) What is the ΔrG for the following reaction (in kJ mol-1) at 298 K? 2 Si (s) + 3 H2 (g) ⇌ Si2H6 (g) The conditions for...
Consider the following cell reaction: Mn(s) + 2 H+(? M) Mn2+(1.00 M) + H2(g)(1.00 atm) If...
Consider the following cell reaction:
Mn(s) + 2 H+(? M) Mn2+(1.00
M) + H2(g)(1.00 atm)
If the cell potential at 298 K is 1.01 volts, what
is the pH of the hydrogen electrode?
pH = ???
A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them...
A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The cylinder has a piston that moves in or out, as necessary, to keep a constant pressure on the mixture of 1 atm. The cylinder is also submerged in a large insulated water bath. (See sketch at right.) The temperature of the water bath is monitored, and it is determined from this data that 192 kJ of heat flows out of...
1) At 298 K, an equilibrium
mixture contains P H2=0.958 atm, P I2= 0.877 atm and P HI=0.020
atm. Please try and answer all!
You must show all your work to receive credit. Watch sig figs! Consider the reaction: 1) At 298 K, an equilibrium mixture contains P H2-0.958 atm, P ½=0.877 atm, and P HI-0.020 atm. Calculate the value of the equilibrium constant Kp? a) (o, o2) 0.938x o.87? b) And what is the value of the equilibrium constant...
1 atm pressure A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The cylinder has a piston that moves in or out, as necessary, to keep a constant pressure on the mixture of 1 atm. The cylinder is also submerged in a large insulated water bath. (See sketch at right.) piston cylinder water bath The temperature of the water bath is monitored, and it is determined from this data that...
Under the conditions shown below for the following reaction. Fe2O3(s) + 3 CO(g) - 2 Fe(s) + 3 CO2(g) AG° = -28.0 kJ P(CO) - 3.1 atm, P(CO2) - 1.7 atm Calculate Arxn at 298 K, and indicate if the reaction is more or less spontaneous under these conditions than under standard conditions? -4.5 kJ, more spontaneous than under standard conditions None of these -4.5 kJ, less spontaneous than under standard conditions -23.5 kJ, more spontaneous than under standard conditions...
For the reaction N2(g) + 3 H2(g) = 2 NH3(g), what is AG (in kJ) at 298 K when the pressures of the gases are: P(N2) .13 atm P(H2) = 6.2 x 10-5 atm P(NH3) = 1.8 atm? O +47.0 O-113 O-2.49 0 -33.0 O +1.73
28 Consider the following balanced chemical reaction: 6 HCI + 2 Al -------...-> 3 H2 + 2 AICI How many grams of AlCly can be produced when 50.00 g of HCl react with 10.00 g of AI? Place your answer in the box. For your calculation, use atomic masses that have been rounded to the closest hundredths of an amu (two places to the right of the decimal point). Express your answer using only a number or numbers without text....
1. Consider the reaction: 2NH3(g) → N2(g) + 3 H2 (8) AG = +33.3 kJ a. Is this reaction spontaneous? Explain. b. Predict the sign of AS. Explain. C. Based on your answer to part b, is this reaction exothermic or endothermic? Explain. For the reaction N2(g) + 3H2(g) 2NH3 (8) a. Using values in Appendix Cin your book, calculate AHⓇ and AS. b. Assuming that AHºand ASº don't change with temperature, calculate the value for AG at 400K Is...
Consider the following cell reaction:
Mn(s) + 2 H+(? M) Mn2+(1.00
M) + H2(g)(1.00 atm)
If the cell potential at 298 K is 1.01 volts, what
is the pH of the hydrogen electrode?
pH = ???
A mixture of gaseous reactants is put into a cylinder, where a chemical reaction turns them into gaseous products. The cylinder has a piston that moves in or out, as necessary, to keep a constant pressure on the mixture of 1 atm. The cylinder is also submerged in a large insulated water bath. (See sketch at right.) The temperature of the water bath is monitored, and it is determined from this data that 192 kJ of heat flows out of...
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