Compute the helium in the balloon

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Reference no: EM1371542

Q. A balloon filled with 46 mol helium has a volume of 1031. L at 0.0 °C and 1 atm pressure. The temperature of the balloon is increased to 28.0°C as it expands to a volume of 1137. L, the pressure remaining constant. Compute q, w, and ΔE for the helium in the balloon. (The molar heat capacity for helium gas is 20.80 J/°C•mol.)

Q. The Mini Cooper is rated at the maximum power of 115. hp (1 hp=746 W), when moving at 80km/h.

Suppose that the net force accelerating the car is constant.

The total mass of the car with a rider and some fuel is 1230 kg.

How many seconds will it take for this car to go from zero to 100. Km/h?

Reference no: EM1371542

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