A weather balloon contains 13.0 L of helium at a pressure of 1.01 atm and a temperature of 21.0°C. If this had been stored in a 5.50-L cylinder at 29.0°C, what must the pressure in the cylinder have been?

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16. in a reaction that has reached equilibrium, a. the forward and reverse reactions are occurring at the same rate. b. the reactants and products are in equal concentrations. c. the forward reaction has gone further than the reverse reaction. d. there are equal numbers of atoms on both sides of the equation. e. a, b, and d are correct.