J.R. S.

11/17/23

Write the two half-reactions for the battery. Please include all states of matter.

In recent years engineers have been working on an aluminum-air battery as an alternative energy source for electric vehicles. The battery consists of an aluminum anode, which is oxidized to solid... more

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Chemistry

11/17/23

write balanced chemical equations for the cathode and anode half-reactions and the overall cell reaction. Include the phases of all species in the chemical equation.

Sometimes the cell reaction of nickel-cadmium batteries is written with Cd metal as the anode and solid NiO2 as the cathode. Assuming that the products of the electrode reactions are solid... more

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Chemistry

11/17/23

Write the reaction equations of a voltaic cell with Ag+ & Sn2+

A voltaic cell is based on the reduction of Ag+(aq) to Ag(s) and the oxidation of Sn(s) to Sn2+(aq).A. Half Reaction of Cells AnodeB. Half Reaction of Cells CathodeC. Write a balanced cell... more

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Chemistry

11/17/23

Calculate E from the following Redox reaction

Redox Reaction: 2MnO4-(aq) + 2H2O (l) + 6H+ (aq) --> 2Mn2+ (aq) + 5H2O2 (l)The standard reduction potentials for the species in the reaction are listed below:H2O2 (l) + 2H+ (aq) + 2e- -->... more

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Chemistry

11/17/23

If a piece of silver is placed in a solution in which [Ag+] = [Fe2+] = 1.00 M at STP, what is Ecell for the following reaction?

2Ag(s) + Fe2+ (aq) --> 2Ag+(aq) + Fe(s)The standard reduction potentials for the species in the reaction above are listed below:Ag+(aq) + e- --> Ag(s) E(red) = .7996 VFe2+ (aq) + 2e-... more

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Chemistry

11/17/23

Write half-reactions for the anode and cathode and then write a balanced cell reaction. Please include the states of matter in the equations.

A voltaic cell with an aqueous electrolyte is based on the reaction between Cd2+(aq) and Mg(s), producing Cd(s) and Mg2+(aq). Write half-reactions for the anode and cathode and then write a... more

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Chemistry

11/17/23

Pieces of cadmium and tin are placed in a solution in which [Cd2+] = [Sn2+] = 1.00 M. What is Ecell?

The standard reduction potentials for the species in the reaction are shown below:Sn2+(aq) + 2e- --> Sn(s) E (red) = -.136VCd2+(aq) + 2e- --> Cd(s) E (red) = -0.403

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Chemistry

11/17/23

For the electrochemical cell 2 Al(s) + 3 Mn²⁺(aq) ⟶ 2 Al³⁺(aq) + 3 Mn(s) (E° = 0.48 V, [Al³⁺] = 1.0 M), what is the value of E when [ Mn²⁺] = 0.022 M? Assume T is 298 K

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Chemistry

11/16/23

A student mixes 20mL of 0.19M Ca(NO3)2 and 12 mL of 0.15M Na2CO3. What is the theoretical yield of CaCO3?

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Chemistry

11/16/23

A voltaic cell using Cu²⁺/Cu and Al³⁺/Al half-cells is set up at standard conditions

and each compartment has a volume of 225 mL. What is the [Al³⁺] after the cell has delivered 0.120 A for 64.0 hours at 25.0 °C? (E° for Cu²⁺/Cu = 0.340 V and E° for Al³⁺/Al = -1.660 V.)

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Chemistry

11/16/23

Write the net ionic equation for the cell reaction:

PbO2(s) + HSO4-(aq) + 3H++ 2e- --> PbSO4(s) + 2H2O (l) PbSO4(s) + H+ (aq) + 2e- ---> Pb(s) + HSO4-(aq)

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Chemistry

11/16/23

Complete and balance the following redox reaction in acidic solution

TeO3^-2 (aq) +N2O4(g)-> Te(s) + NO3^- (aq)

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Chemistry

11/15/23

how many liters of o2 gas at STP are requires to produce 134.5g of c3h6ofrom excess c6h6 and c3h6 according to the reaction C₆H₆(l) + C₃H₆(g) + O₂(g) → C₆H₆O(s) + C₃H₆O(l)

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Chemistry

11/15/23

Solving moles-to-moles limiting reactant problems

Solid phosphorus (P) and chlorine (Cl2) gas react to form solid phosphorus pentachloride (PCl5). Suppose you have 2.0 mol of P and 1.0 mol of Cl2 in a reactor.Suppose as much as possible of the P... more

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Chemistry

11/14/23

At constant pressure, which of these systems do work on the surroundings? Check all that apply. a. 2A(g)+3B(g) --> 4C(g) b. A(s)+B(g) --> 2C(g) c. A(g)+B(g) --> 3C(g) d. A(s)+2B(g) --> C(g)

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Chemistry

11/14/23

question below in the description

The balanced combustion reaction for C6H6 is 2C6H6(l)+15O2(g)⟶12CO2(g)+6H2O(l)+6542 kJ If 8.600 g C6H6 is burned and the heat produced from the burning is added to 5691 g of water at 21 ∘ C, what... more

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Chemistry

11/14/23

question is below in the description

Liquid sodium is being considered as an engine coolant. How many grams of liquid sodium (minimum) are needed to absorb 1.80 MJ of energy (in the form of heat) if the temperature of the sodium is... more

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Chemistry

11/14/23

If you combine 270.0 mL of water at 25.00 °C and 100.0 mL of water at 95.00 °C, what is the final temperature of the mixture? Use 1.00 g/mL as the density of water.

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Chemistry

11/14/23

An 80.0-gram sample of gas was heated from 25C to 225C. During the process, 346 J of work was done by the system and its internal energy increased by 8875. What is the specific heat of the gas?

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Chemistry

11/14/23

The gas in a 275.0 mL piston experiences a change in pressure from 1.00 atm to 4.85 atm. What is the new volume (in mL) assuming the moles of gas and temperature are held constant?

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Chemistry

11/14/23

Calculate the molar solubility (to 4 decimal places) of AgBr in 2.4 M NH3 (Kf for Ag(NH3)2+1 is 1.7x107 and Ksp for AgBr is 5.0 x 10-13).

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Chemistry

11/14/23

At 460 K, ∆G = -13.5 kJ/mol for the reaction 2 A (g) → B (g). If the partial pressures of A and B are 7.20 atm and 0.420 atm respectively, what is ∆G° for this reaction?

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Chemistry

11/14/23

Determine K for a reaction at 200 K if ∆G° =29.6 kJ/mol. (R = 8.314 J/mol ･ K)

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Chemistry

11/13/23

Chemistry......

A 157.6 g piece of metal is placed into a beaker of boiling water. You record the temperature of boiling water to be 97.1 . The metal is then placed into a coffee cup calorimeter that contains... more

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Chemistry

11/12/23

chemistry homework questions

You mix 200 mL of 0.3 M NH₃ (pKb = 4.75) with 300 mL of 0.3 M NH₄Cl to make 500 mL of buffer solution. If you then wanted to adjust the pH to be 8.7, how many moles of solid HBr should you add?... more

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Write the two half-reactions for the battery. Please include all states of matter.

write balanced chemical equations for the cathode and anode half-reactions and the overall cell reaction. Include the phases of all species in the chemical equation.

Write the reaction equations of a voltaic cell with Ag+ & Sn2+

Calculate E from the following Redox reaction

If a piece of silver is placed in a solution in which [Ag+] = [Fe2+] = 1.00 M at STP, what is Ecell for the following reaction?

Write half-reactions for the anode and cathode and then write a balanced cell reaction. Please include the states of matter in the equations.

Pieces of cadmium and tin are placed in a solution in which [Cd2+] = [Sn2+] = 1.00 M. What is Ecell?

For the electrochemical cell 2 Al(s) + 3 Mn²⁺(aq) ⟶ 2 Al³⁺(aq) + 3 Mn(s) (E° = 0.48 V, [Al³⁺] = 1.0 M), what is the value of E when [ Mn²⁺] = 0.022 M? Assume T is 298 K

A student mixes 20mL of 0.19M Ca(NO3)2 and 12 mL of 0.15M Na2CO3. What is the theoretical yield of CaCO3?

A voltaic cell using Cu²⁺/Cu and Al³⁺/Al half-cells is set up at standard conditions

Write the net ionic equation for the cell reaction:

Complete and balance the following redox reaction in acidic solution

how many liters of o2 gas at STP are requires to produce 134.5g of c3h6ofrom excess c6h6 and c3h6 according to the reaction C₆H₆(l) + C₃H₆(g) + O₂(g) → C₆H₆O(s) + C₃H₆O(l)

Solving moles-to-moles limiting reactant problems

At constant pressure, which of these systems do work on the surroundings? Check all that apply. a. 2A(g)+3B(g) --> 4C(g) b. A(s)+B(g) --> 2C(g) c. A(g)+B(g) --> 3C(g) d. A(s)+2B(g) --> C(g)

question below in the description

question is below in the description

If you combine 270.0 mL of water at 25.00 °C and 100.0 mL of water at 95.00 °C, what is the final temperature of the mixture? Use 1.00 g/mL as the density of water.

An 80.0-gram sample of gas was heated from 25C to 225C. During the process, 346 J of work was done by the system and its internal energy increased by 8875. What is the specific heat of the gas?

The gas in a 275.0 mL piston experiences a change in pressure from 1.00 atm to 4.85 atm. What is the new volume (in mL) assuming the moles of gas and temperature are held constant?

Calculate the molar solubility (to 4 decimal places) of AgBr in 2.4 M NH3 (Kf for Ag(NH3)2+1 is 1.7x107 and Ksp for AgBr is 5.0 x 10-13).

At 460 K, ∆G = -13.5 kJ/mol for the reaction 2 A (g) → B (g). If the partial pressures of A and B are 7.20 atm and 0.420 atm respectively, what is ∆G° for this reaction?

Determine K for a reaction at 200 K if ∆G° =29.6 kJ/mol. (R = 8.314 J/mol ･ K)

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chemistry homework questions

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J.R. S.

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Write the two half-reactions for the battery. Please include all states of matter.

write balanced chemical equations for the cathode and anode half-reactions and the overall cell reaction. Include the phases of all species in the chemical equation.

Write the reaction equations of a voltaic cell with Ag+ & Sn2+

Calculate E from the following Redox reaction

If a piece of silver is placed in a solution in which [Ag+] = [Fe2+] = 1.00 M at STP, what is Ecell for the following reaction?

Write half-reactions for the anode and cathode and then write a balanced cell reaction. Please include the states of matter in the equations.

Pieces of cadmium and tin are placed in a solution in which [Cd2+] = [Sn2+] = 1.00 M. What is Ecell?

For the electrochemical cell 2 Al(s) + 3 Mn²⁺(aq) ⟶ 2 Al³⁺(aq) + 3 Mn(s) (E° = 0.48 V, [Al³⁺] = 1.0 M), what is the value of E when [ Mn²⁺] = 0.022 M? Assume T is 298 K

A student mixes 20mL of 0.19M Ca(NO3)2 and 12 mL of 0.15M Na2CO3. What is the theoretical yield of CaCO3?

A voltaic cell using Cu²⁺/Cu and Al³⁺/Al half-cells is set up at standard conditions

Write the net ionic equation for the cell reaction:

Complete and balance the following redox reaction in acidic solution

how many liters of o2 gas at STP are requires to produce 134.5g of c3h6ofrom excess c6h6 and c3h6 according to the reaction C₆H₆(l) + C₃H₆(g) + O₂(g) → C₆H₆O(s) + C₃H₆O(l)

Solving moles-to-moles limiting reactant problems

At constant pressure, which of these systems do work on the surroundings? Check all that apply. a. 2A(g)+3B(g) --> 4C(g) b. A(s)+B(g) --> 2C(g) c. A(g)+B(g) --> 3C(g) d. A(s)+2B(g) --> C(g)

question below in the description

question is below in the description

If you combine 270.0 mL of water at 25.00 °C and 100.0 mL of water at 95.00 °C, what is the final temperature of the mixture? Use 1.00 g/mL as the density of water.

An 80.0-gram sample of gas was heated from 25*C to 225*C. During the process, 346 J of work was done by the system and its internal energy increased by 8875. What is the specific heat of the gas?

The gas in a 275.0 mL piston experiences a change in pressure from 1.00 atm to 4.85 atm. What is the new volume (in mL) assuming the moles of gas and temperature are held constant?

Calculate the molar solubility (to 4 decimal places) of AgBr in 2.4 M NH3 (Kf for Ag(NH3)2+1 is 1.7x107 and Ksp for AgBr is 5.0 x 10-13).

At 460 K, ∆G = -13.5 kJ/mol for the reaction 2 A (g) → B (g). If the partial pressures of A and B are 7.20 atm and 0.420 atm respectively, what is ∆G° for this reaction?

Determine K for a reaction at 200 K if ∆G° =29.6 kJ/mol. (R = 8.314 J/mol ･ K)

Chemistry......

chemistry homework questions

Still looking for help? Get the right answer, fast.

OR

J.R. S.

An 80.0-gram sample of gas was heated from 25C to 225C. During the process, 346 J of work was done by the system and its internal energy increased by 8875. What is the specific heat of the gas?