Chemistry

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A student adds 4.00g of dry ice(solid CO2) to an empty balloon. What will the volume of the balloon be at STP after all the dry ice sublimes?

  • Chemistry -

    Convert 4.0 g CO2 to moles. moles = grams/molar mass.

    1 mole of a gas occupies 22.4 L at STP. So ?? moles will occupy ?? moles x (22.4L/mole) = xx

  • Chemistry -

    Strictly speaking the volume of the balloon will be the same (no increase) if the correct use of sublime is being used here. The term sublime or sublimation means going from the solid phase directly to the gas phase AND back again. So the dry ice is sill a solid at the end of the process.

    The correct word that should have used in the question is evaporate or evaporation.

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