PART (a):
Constant temperature.
Apply Boyle's law:
P1V1 = P2V2
∴ V2 = (P1V1) / (P2) = (2.7 * 4.7) / (6.4)
∴ V2 = 1.98 L
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PART (b):
Constant temperature.
Hence, apply Boyle's law:
P1V1 = P2V2
∴ P2 = (P1V1) / (V2) = (2.7 * 4.7) / (0.0450)
∴ P2 = 282 atm
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