For water the numerical value of a is 5.464 and the numerical value of b is 0.0305. atm Use the van der Waals equation to calculate the pressure of a sample of water at 520.0 °C with a molar volume of 0.183 L/mol. Round your answer to the correct number of significant digits. Use the Ideal Gas Law to calculate the pressure of the same sample under the same conditions. Round your answer to the correct number of significant digits. 1 atm