6. If 1.00 L of helium gas in a balloon at room temperature (23.0°C) is cooled by liquid
nitrogen to-140. °C? (Charles's Law) Predict whether the balloon will get smaller or
bigger. -
T =
K
Vi = L T2 = K
V2 =
L

Which statement about hf is true? it is zero for any compound in its standard state. it is positive when the bonds of the product store more energy than those of the reactants. it is negative when a compound forms from elements in their standard states. it is zero for any element that is in the liquid state.