A balloon filled with helium has a volume of 30.0 L at a pressure of 100 kPa and a temperature of 288 K. What will the volume of the balloon be if the temperature is
increased to 353 K and the pressure is increased to 120 kPa?
133.3 L
30.64 L
120 L
28.6 L

An electron moved from shell n = 2 to shell n = 1. what most likely happened during the transition? a fraction of a photon was added. a photon of energy was absorbed. a fraction of a photon was removed. a photon of energy was released.

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A5.000 g sample of niso4 h2o decomposed to give 2.755 g of anhydrous niso4. what is the formula of the hydrate? what is the full chemical name for the hydrate? what is the molar mass of the hydrate? niso4•_h2o what is the mass % of water in the hydrate?