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Home Page Test Answers Standard temperature and pressure (STP) are considered to be 273 K and 1.0 atm. Predict which of the following changes will cause the volume of the balloon to increase or decrease assuming that the temperature and the gas filling the balloon remain unchanged. - Q/A (Question and Answer)

Standard temperature and pressure (STP) are considered to be 273 K and 1.

Question
Standard temperature and pressure (STP) are considered to be 273 K and 1.0 atm. Predict which of the following changes will cause the volume of the balloon to increase or decrease assuming that the temperature and the gas filling the balloon remain unchanged. – Q/A (Question and Answer)
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Kate Moore

Test Answer

Answer:

volume increases: -balloon filled with helium under water at 1.15 atm is released and floats to the surface, which is at STP. -balloon filled with helium at STP floats into the atmosphere where the pressure is 0.5 atm. volume decreases: -balloon filled with helium at STP is submerged under water where the pressure is 1.25 atm. volume is unchanged: -balloon filled with helium at STP floats into air where the pressure equals 1 atm.

Recource CHM102 MasteringChemistry Ch. 10

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