In the second step of the wrinkler method, the Mn(OH)3 is acidified to give Mn3+ and iodide ion is added. Does Mn3+ spontaneously oxidize I-? Write the balanced chemical euqtion for its reaction with I- and use the standart electrode potentials to calculate the equilibrium constant at 25 C.

Explain what happens to total revenue and total costs : Explain why a monopolist will never produce a quantity at which the demand curve is inelastic - hint - if demand is inelastic and the firm raises its price, what happens to total revenue and total costs |

Explain processes occur in an internal combustion engine : The following processes occur in an internal combustion engine. For which one is the entropy change negative |

What is the change in deadweight loss n what transfers occur : The best computer company just developed a new computer chip on which it immediately requires a patent - draw a diagram that shows the consumer surplus, producer surplus and total surplus |

Calculate the effective focal length of the lens system : A telephoto lens consists of a converging front lens of focal length f1 and diverging back lens of focal length f2 separated by a distance d, Compute the effective focal length of the lens system |

Explain the balanced chemical euqtion for its reaction : In the second step of the wrinkler method, the Mn(OH)3 is acidified to give Mn3+ and iodide ion is added. Does Mn3+ spontaneously oxidize I-? Write the balanced chemical euqtion for its reaction with I- and use the standart electrode potentials to.. |

What is the probability that the individual is male : What is the probability that the individual is a driver and what is the probability that the individual is male? What is the probability that both are transit users? |

Explain the temperature of the solution is maintained : 1.0 M acid and two pt electrodes connected to a voltmeter. You then add 10.00 ml of 1.00 M Fe^+2 solution to the beaker. The temperature of the solution is maintained at 25 C.(R= 8.314 coulomb V/(mol K), F= 9.64853 x 10^4 coulomb/mol) |

Why long distance phone service was originally a monopoly : explain why long distance phone service was originally a natural monopoly, how did the growing number of satellites change the cost structure of the long distance phone service, why might it be efficient to have competition in long distance phone .. |

What is the probability of the events : If one person is picked at random from all the people represented in the table, what is the probability of the following events? |

## What is the hydronium ion concentrationWhat is the hydronium ion concentration in an aqueous hydrochloric acid solution that has a pOH of 11.540 ? |

## How many grams of potassium chloride can be producedFor the reaction represented by the equation Cl2+2KCl+ Br2, how many grams of potassium chloride can be produced from 300. g each of chlorine and potassium bromide. |

## Expect the lone pair on the central halogen to be axialConsider the molecules ClF3O and BrF3O. (a) Would expect the lone pair on the central halogen to be axial or equatorial in these molecules? Explain |

## Find out the equilibrium constant for the reactionquickly established, and it is found that the volume of the reactor is 5400 cm^3. Determine the equilibrium constant for the reaction, and the mole fraction of A, B, and C at equilibrium. |

## Determine the concentration of a sodium thiosulfate solutionTo determine the concentration of a sodium thiosulfate solution as in this experiment, a student pipetted 25.0mL of 0.100M potassium iodate (KIO3) solution into a 125mL Erlenmeyer flask. Potassium iodide and sulfuric acid were added as in this exp.. |

## Compute the entropy change for an ideal gasCalculate the entropy change for 0.5 mol of an ideal gas confined in 2.0L, which expands when the stopcock is opened, and the gas comes in contact |

## Describe strong weak and concentrated dilutestrong/weak and concentrated/dilute. Provide an appropriate example using each of these terms to describe a solution |

## What is the change in internal energy of the gasA gas is compressed from an initial volume of 5.60 to a final volume of 1.23 by an external pressure of 1.00 . During the compression the gas releases 123 of heat. What is the change in internal energy of the gas? |

## Explain what was the final ph of the rxnAn enzyme reaction, in 2ml of 0.08 M of an acetate buffer, pH=4.76. During this reaction 2micromol H+ was produced |

## Explain what mass of solid sodium hypochloriteWhat mass of solid sodium hypochlorite (molar mass = 74.44 g/mol) should be added to 1.0 L of 0.255M hypochlorous acid to make a buffer with a pH of 7.54? |

## Explain what is the ratio of acid to conjugate basewhat is the pH of the buffer solution and what is the ratio of acid to conjugate base in order to decrease the pH by 1.00 unit from the value calculated of the buffer solution. |

## Calculate the specific heat capacity of the metalIf 72.4 kJ of heat is supplied to a 842 g block of metal, the temperature of the metal increases by 9.0°C. Calculate the specific heat capacity of the metal in J/g·°C. |

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