A gas is heated from 268 K to 290 K while its volume is increased from 25.0 L to 37.0 L by moving a large piston within a cylinder. If the original pressure was 0.90 atm, what would be the final pressure?

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What mass of indium is present : A sample of indium sulfate, In2(SO4)3, contains 0.0446 moles of oxygen. What mass of indium is present? |

What was the initial concentration : A zero-order reaction has a constant rate of 2.90×10-4 M/rm s. If after 65.0 seconds the concentration has dropped to 9.00×10-2 M, what was the initial concentration. |

A program that keeps track of ticket sales for an auditorium : Design a program that keeps track of ticket sales for an auditorium. A concert will be performed over three days in an auditorium with three levels of seating floor, balcony, and upper balcony. There are 20 seats for each type of seating. Write a pro.. |

What would be the final pressure : A gas is heated from 268 K to 290 K while its volume is increased from 25.0 L to 37.0 L by moving a large piston within a cylinder. If the original pressure was 0.90 atm, what would be the final pressure? |

What is the molar mass of the metal : In this experiment a hot metal block at 100oC is added to cold water in a calorimeter. The heat lost by the metal block equals the heat gained by the water and the two end up at the same temperature. |

The irreducible polynomial is the one used : Compute in GF (28): ( x 4+ x +1) / ( x 7+ x 6+ x 3+ x 2) , where the irreducible polynomial is the one used by AES, P ( x )= x 8+ x 4+ x 3+ x +1. |

Draw the diagram for this claw-back provision : Draw the diagram for this claw-back provision and what kind of option is it? |

Identify the species oxidized : Identify the species oxidized, the species reduced, the oxidizing agent and the reducing agent in the following electron transfer reaction. |

## Calculate the molar mass of the compoundA solution is prepared by adding 5.00 grams of an unkown compound to 217 g of cyclohexane (C6H12). This solution freezes at 4.5 degree C. |

## What mass of sodium-24 remainssodium-24 is a radioistope with half life of 15 hours. A sample of pure sodium-24 has an inital mass of 400.0 g. what mass of sodium-24 remains after 60 hours? |

## Calculating mass of the productFor each reaction, calculate the mass (in grams) of the product formed when 10.1g of the underlined reactant completely reacts. Assume that there is more than enough of the other reactant. |

## Chemical reaction at constant temperature and pressureDetermine the values of q, w, and ΔE0rxn for this given chemical reaction at constant temperature and pressure? |

## Calculate the edge length of the unit celltitanium metal has a body-centered circle unit cell. The density of titanium is 4.50 g/cm^3 . Calculate the edge length of the unit cell and a value for the atomic radius of titanium. |

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## Determine the partial pressure and total pressureDetermine the partial pressure and total pressure of the gases and Find the partial pressure of carbon dioxide in a gas mixture |

## Calculate the new pressure of the gas7.5g of ammonia at STP is heated to a temperature of 25C and simultaneously compressed to a volume of 8.0L. Calculate the new pressure of the gas. |

## Calculate the mass of a can oilThe maximum pressure that can be developed for a certain fluid power cylinder is 15.0 MPa. Compute the required diameter for the piston if the cylinder must exert a force of 30 kN. |

## Calculate the euilibrium constant kpStarting with only the solid, it is found that at 40C the total gas pressure (NH3 and CO2) is 0.33 atm. Calculate the euilibrium constant Kp/ |

## What is a triple pointCarbon tetrachloride, CCl4, is nonpolar. What forces hold the molecules together? |

## How much heat would be released by its complete combustionIf a bottle of nail polish remover contains 181 mL of acetone, how much heat would be released by its complete combustion? The density of acetone is 0.788 g/mL. |

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