1.The first two terms of a geometric progression add up to 12. The sum of the third and the fourth terms is 48. If the terms of the geometric progression are alternately positive and negative, then the first term is ? 2.The coordination number and the oxidation state of the element ‘E' in the complex [E(en)2 (C2O4)]NO2 (where (en) is ethylene diamine) can be?

State what is the new volume when the container is heated : A flexible container contains 1.50 L of gas at 25 degrees Celcius. What is the new volume when the container is heated to 100 degrees Celcius? |

Compute the guaranteed euro proceeds from the american sale : Compute the guaranteed euro proceeds from the American sale if Airbus decides to hedge using a forward contract and At what future spot exchange do you think Airbus will be indifferent between the option and money market hedge? |

Use the fact that h-inverse is a homeomorphism : suppose a function f is conjugate to a function g by the homeomorphism h. show that g is conjugate to f by the homeomorphism h-inverse. Use the fact that h-inverse is a homeomorphism whenever h is. |

How many of the students scored between 16 and 82 : On a nationwide test taken by high school students, the mean score was 49 and the standard deviation was 11.The scores were normally distributed. Approximately how many of the students scored between 16 and 82. |

State geometric progression are alternately positive : The sum of the third and the fourth terms is 48. If the terms of the geometric progression are alternately positive and negative, then the first term is? |

How many feet long should the guy wire be : A radio transmission tower is 480 feet tall. A guy wire is to be attached 6 feet from the top and is to make an angle of 25o with the ground? How many feet long should the guy wire be? Round your answer to the nearest foot and do not write the uni.. |

What is the estimated floor price : What is the estimated floor price of the convertible at the end of Year 3 if the required rate of return on a similar straight-debt issue is 9.5%? |

What is the maximax decision : Even though independent gasoline stations have been having a difficult time, Susan Solomon has been thinking about starting her own independent gas station. Susan's problem is to decide how large her station should be. |

Explain alpha and beta with regard to steroid structure : State the meaning of alpha and beta with regard to steroid structure, and indicate whether the hydroxyl group on ring A |

## What mass of water (in grams)is contained in vapourAn aqueous solution contains 12.5% NaCl by mass. What mass of water (in grams)is contained in 2.5L of the vapor above this solution at 55 celcius? the vaor pressure of pure water at 55 celcius is 118 torr. |

## Explain what is moisture content of exhaustwhat is moisture content of exhaust? iii) power generated by turbine? iv) at what rate would entropy be generated within turbine? v) assuming the temp of the surroundings T(sigma)=300K what is lost work in kJ/kg of steam? |

## How much naf can be producedSodium reacts with flourine to produce sodium flouride. If 4.0 grams of sodium reacts with 5.0 grams of flourine, how much NaF can be produced? |

## Compute the wavelength of light that is absorbedCaculate the wavelength of light( in nanometers) that is absorbed when the electron in a He+ ion goes from the n=2 |

## Co2 is bubbled through a solution of benzylmagnesiumWhen CO2 is bubbled through an ether solution of benzylmagnesium bromide, and the resulting mixture is acidified, phenylacetic acid is produced. |

## What is the molarity of the hcl solutionWhat is the molarity of the HCl solution if 270 mL of the HCl solution reacts with magnesium to produce 7.40 L of H_{2} gas measured at STP. |

## State what is the partial pressure of argonwhat is the partial pressure of argon? If the two flasksare connected through a stopcock and the stopcock is opened, whatis the total pressure? |

## State the saturated pressurePolyisobutylene (PIB) is equilibrated in propane vapor at 35 oC. At this temperature, the saturated pressure (p10) of propane is 9050 mm Hg and its density is 0.490 g/cm3 |

## What is the total pressure in atmA tank contains helium gas at 490. mmHg, nitrogen gas at 0.750 atm, and neon at 520. torr. What is the total pressure in atm? |

## Find the actual relative masses of the elementsWrite the simplest balanced equations, and find the actual relative masses of the elements. Explain your reasoning. |

## Explain isobutane is the fuel used in disposable lightersIsobutane is the fuel used in disposable lighters. The lighters' operation is dependent upon the butane's ability to vaporize and be ignited, and this depends somewhat upon the large pressure difference between the inside of the lighter |

## Calculate the osmotic pressure in mm hgcalculate the osmotic pressure in mm Hg of 6.00 L of an aqueous 0.889 m solution at 30.°c, if the solute concerned is totally ionized into three ions |

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