One mole of a van der Waals gas at 28.0 ∘C is expanded isothermally and reversibly from an initial volume of 0.015 m3 to a final volume of 0.100 m3. For the van der Waals gas, (∂U/∂V)T=a/V2m . Assume that a=0.556Pa⋅m6⋅mol−2, and that b=64.0×10−6m3⋅mol−1.

Which class of molecules functions as chemical signals? hormones water carbohydrates proteins

Imagine one batch of soup (batch “a”) is made with 8.19 g/can of salt, according to the recipe, and a second batch of soup (batch “b”) is made with 8.32 g/can of salt. explain which batch would be more resistant to frost damage if it is shipped a great distance in winter and explain why.

#20 which type of bond is formed when bases pair in dna? ionic bond covalent bond coordinate bond hydrogen bond