Derive Wien's law, that lambda max T is a constant, where lambda max is the wavelegnth corresponding to maxium in the Plank distribution at the temperature T, and deduce the expression for the constant as a multiple of the second radiation constant, c2=hc/k

What''s the starting deposit amount : What's the starting deposit amount A that needs to be made to have $200000 available at the end of 24 years in an account that pays 5% per year if the plan that wiil be followed is to deposit A for the first 8 years, two times A for the 8 years follo.. |

Determine what is the magnitude of the resultant force : Two forces, F1 and F2, act at a point. has a magnitude of 9.20N and is directed at an angle of 59.0 degrees above the negative x axis in the second quadrant. F2 has a magnitude of 6.00N and is directed at an angle of 52.6 degrees |

What is the equation for facilities cost : Using the high low method, with student credit hours as the activity driver, what is the equation for facilities cost (FC) as a function of student credit hours? |

Find the automobile velocity at the bottom of the hil : A 2.00-ton automobile is parked at the top of a hill that is 100ft high and inclined 25 degrees with respect to the horizon. find the automobile velocity (ft/s) at the bottom of the hill |

Explain the wavelegnth corresponding to maxium in the plank : the wavelegnth corresponding to maxium in the Plank distribution at the temperature T, and deduce the expression for the constant as a multiple of the second radiation constant |

Find the estimated total costs for a production level : Total costs were $79,700 when 25,000 units were produced and $90,800 when 35,000 units were produced. Use the high-low method to find the estimated total costs for a production level of 32,000 units. |

What is employee empowerment : What is employee empowerment and how can the HR departments help to make it effective? What motivational theory is best used to support empowerment? Explain why. |

Consider your personal needs-preferences and biases : Consider your personal needs, preferences, and biases. How might they conflict with the needs, preferences, and biases of your patients and their families? How can ethical principles be used to identify the most appropriate decision when conflict ari.. |

What is susans incremental profit : What is Susan's incremental profit if she chooses option 3 over option 2? |

## State mass of block a for which the system is in equilibriuma surface for which static coefficient of friction is 0.62. The ropes are massless. What is the Maximum mass of block A for which the system is in equilibrium? |

## State the electrophilic aromatic bromination reactionWhy is it uncenessary to include an aluminum trihalide in the electrophilic aromatic bromination reaction of acetanilide with molecular bromine? |

## Explain a simple distillation or a fractional distillationSpecify whether a simple distillation or a fractional distillation would be more suitable for each of the following purifications, and briefly justify your choice. |

## How many grams of ch3oh must be addedHow many grams of CH3OH must be added to water to prepare 150 mL of a solution that is 2.0 M CH3OH? |

## Explain the nickel electrode loses massConsider an electrochemical cell constructed from the following half cells, linked by a KCl salt bridge. The nickel electrode loses mass and the nickel electrode is the cathode. |

## How many groups could be formedA dancehall contains 173 men and 238 women. A certain "promenade" calls for the formation of groups, with each group consisting of one man with two women. a)How many groups could be formed? b) which sex is in excess? By how much? (show calculation.. |

## What is the partial pressure of each gasA mixture of 2.00 moles of H2, 3.00 moles of MH3, 4.00 moles of CO2, and 5.00 moles of N2 exert a total pressure of 350kPa. What is the partial pressure of each gas? |

## State titrate the unknown acid solutionLet's say that you are given a 0.215g of unknown weak acid and asked to dilute with 75 mL of DI water. You then use a standardized 0.125 M NaOH to titrate the unknown acid solution |

## Calculate the ph of the solution made by adding waterCalculate the pH of the solution made by adding 0.50 mol of HOBr and 0.30 mol of KOBr to 1.00 L of water. |

## Which of the following are exothermic and endothermicWhich of the following are exothermic and endothermic? |

## Calculate the frequency of lightCalculate the frequency (in Hz) of light necessary to move an electron in a He+ ion from the n =2 to n =4 energy level. The Rydberg constant for a helium ion is R = 4.390 x 107 m-1 |

## Explain combining aqueous solutions of bai2 and na2so4Combining aqueous solutions of BaI2 and Na2SO4 gives a precipitate. Which ion(s) is/are spectator ions in the reaction |

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