Question

if the pressure of the gas in a helium balloon has volume of 4 litres at 210k.pa , what will the pressure be at 2.5 litres?

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Answer 1

Answer:

525 is correct answer

Explanation:

just multiply

Answer 2

Answer:

it's 21k.pa

Explanation:

first divided 210by4

and formula a/b(a-b)

52.5/2.5(a-b)

x=21