Learning Goal: To understand the meaning and the basic applications of deiagrams for an ideal gas. As you know, the parameters of an ideal gas are described by the equation pV = nRT, where p is the pressure of the gas, V is the volume of the gas, '11 is the number of moles, R is the universal gas constant, and T is the absolute temperature of the gas. It follows that, for a portion of an ideal gas, E T = constant. One can see that, if the amount of gas remains constant, it is impossible to change just one parameter of the gas: At least one more parameter would also change. For instance, if the pressure of the gas is changed, we can be sure that either the volume or the temperature of the gas (or, maybe, both!) would also change. To explore these changes, it is often convenient to draw a graph showing one parameter as a function of the other. Although there are many choices of axes, the most common one is a plot of pressure as a function of volume: a deiagram. I Review | Constants In this problem, you will be asked a series of questions related to different processes shown on a deiagram ( gure 1). They will help you become familiar with such diagrams and to understand what information may be (2| ' obtained from them. . W = Figure 1 0H m Previous Answers R_equest Answer X Incorrect; Try Again; 3 attempts remaining Your answer either contains an incorrect numerical multiplier or is missing one. Part B Complete previous part(s) Part C Complete previous part(s) Part D Complete previous part(s) Problem 15.40 11 of 14 Review | Constants Part A In a certain chemical process, a lab technician supplies 258 J of heat to a system. At the same time, 86.0 J of work are done on the system by its What is the increase in the internal energy of the system? surroundings. IVO ? AU = Submit Request Answer Provide Feedback Next >Problem 14.42 I Review | Constants V Part A You have 730 g of water at 12.0 C in a large ' | t b k . Insu a ed ea er How much boiling water at 100 C must you add to this beaker so that the final temperature of the mixture will be 80 C? Express your answer in kilograms to three significant figures. m Muest Answer Provide Feedback Next > Problem 15.01 - Enhanced - with Solution