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melamori03 [73]
3 years ago
15

2.

Physics
1 answer:
Shkiper50 [21]3 years ago
5 0

Answer:

the balloon is filled with the 8.5 litre of helium. temperature is 294 kelvin.

party starts at 4 p.m.

the temperature rises 305 kelvin.

the new volume = 4 litres

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