To use molecular-level diagrams to predict the signs of thermodynamic properties. The equations ΔG∘=−RTlnK and ΔG=ΔH−TΔS relate entropy change, ΔS, enthalpy change, ΔH, free energy change, ΔG, and the equilibrium constant, K, for a given reaction at a given temperature.

hi,

the answer is d, it has indefinite shape but definite volume.

hope this !

so here we go

atomic mass

239 + 1 = y + 134 + 3 combine like terms

240 = y + 137             subtract 137 from both terms

240 - 137 = y

103 = y

atomic number

94 = z +54 + 0

94 = z + 54               subtract 54 from both sides.

40 = z

answer