A cylinder with a piston holds 0.80 m3 of oxygen at an absolute pressure of 8.0 atm. The piston is pulled outward, increasing the volume of the gas until the pressure drops to 1.0 atm. If the temperature stays constant, what new volume does the gas occupy?

Compute the quantity of energy produced per gram of reactant : Calculate the quantity of energy produced per gram of reactant for the fusion of -3 (atomic mass = 3.016049 ) with -1 (atomic mass =1.007825 ) to form -4 (atomic mass = 4.002603 |

Explain what is the value of k at 55 c if ea= 84.0 kj/mol : A certain first-order reaction has a rate constant of 2.30×10-2 s^-1 at 23 C. What is the value of k at 55 C if Ea= 84.0 kj/mol |

Explain what are the theoretical ratios of the reactants : What are the theoretical (stoichiometric) ratios of the reactants used in the condensation polymerization of phthalic anhydride and glycerol |

State how to synthesize 2-methyl-2-pentene from alkyl halide : Show how to synthesize 2-methyl-2-pentene from an alkyl halide and an aldehyde or ketone, plus any other necessary reagents. |

Determine what new volume does the gas occupy : A cylinder with a piston holds 0.80 m3 of oxygen at an absolute pressure of 8.0 atm. what new volume does the gas occupy |

Determine what is the weight of the truck : A small ferryboat is 4.00 m wide and 6.00 m long. When a loaded truck pulls onto it, the boat sinks an additional 4.20 cm into the river. What is the weight of the truck |

Evaluate the mass percentage of oxygen in dry air : What mass of carbon dioxide is present in 1.00 \rm m^3 of dry air at a temperature of 25 C and a pressure of 685 torr. Calculate the mass percentage of oxygen in dry air. |

Evaluate the number of tons of sulfur dioxide produced : Assuming that the coal was 4.50 \% sulfur by mass and that combustion was complete, calculate the number of tons of sulfur dioxide produced by the plant during the year. |

What are the frequency and rms strength of electric field : In an EM wave traveling west, the B field oscillates vertically and has a frequency of 80.0 kHz, What are the frequency and rms strength of the electric field |

## How much would cost just to keep hot water inside heaterSuppose you have an electric hot water heater for your house which is an aluminum cylinder which has a 0.56 m radius and is 1.8 m high. The walls are 1.0 cm thick. |

## Calculate the gravitational force on a spacecraftCalculate the gravitational force on a spacecraft 8700km above the Earth's surface if its mass is 1200kg |

## Calculates the speed of the sports car at impactA 890kg sports car collides into the rear end of a 2500kg SUV stopped at a red light. The bumpers lock, calculates the speed of the sports car at impact |

## Trapezoidal pattern of am signalFind the modulation index corresponding to the given trapezoidal pattern for the AM signal. |

## Find by how much is the column compressedA 3.7-m-tall, 60-cm-diameter concrete column supports a 2.0×10^5 load. By how much is the column compressed |

## Compute the divers average angular velocity during a diveA diver makes 0.50 revolutions on the way from a 9.9-m-high platform to the water. find the diver's average angular velocity during a dive |

## What would be the net charge on a 1-kg sample of gasSuppose that the charge on the electron and proton did not have the same magnitude but instead differed by one part in 10^10. What would be the net charge on a 1.0-kg sample of helium gas |

## How much longer is the bridge on a warm summer dayThe world's longest suspension bridge is the Akashi Kaikyo Bridge in Japan. How much longer is the bridge on a warm summer day (27.0Â° C) than on a cold winter day (-5.00Â° C) |

## Find the velocity of the center of mass of the systemA bumper car with mass m1 = 102 kg is moving to the right with a velocity of v1 = 4.9 m/s. A second bumper car with mass m2 = 90 kg is moving to the left with a velocity of v2 = -3.3 m/s, What is the velocity of the center of mass of the system |

## Determine the period of the physical pendulum isA physical pendulum is composed of a sphere whose center of gravity is attached to a thin rod. The sphere has a moment of inertia of 2/5 MR2. The period of the physical pendulum is |

## How much power does the neuron releaseThe potential difference across a resting neuron is about 80 mV and carries a current of about 0.10 mA. How much power does the neuron release |

## Find rate of rotation which gives the greater speed for ballAn athlete swings a ball, connected to the end of a chain, in a horizontal circle. The athlete is able to rotate the ball at the rate of 7.69 rev/s, Which rate of rotation gives the greater speed for the ball |

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