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Question 17 of 18 - 15 E ... View Policies Current Attempt in Progress Using the appropriate tables, determine the change in specific entropy between the specified states, in Btu/lb . "R. (a) water, p1 = 10 lbf/in.", saturated vapor; p2 = 500 lbf/in.2, T2 = 10009F. (b) ammonia, p1 = 140 lbf/in.2, T1 = 160 F; T2 = -109F, h2 = 590 Btu/lb. (c) air as an ideal gas, T1 = 80 F, p1 = 1 atm; T2 = 340 F, p = 5 atm. (d) oxygen as an ideal gas, T1 = T2 = 520R, p1 = 10 atm, p2 = 5 atm. Part A For case (a) , determine the change in specific entropy between the specified states, in Btu/lb . R. Case (a): water, p1 = 10 lbf/in.2, saturated vapor; p2 = 500 lbf/in.2, T2 = 10009F. As = i Btu/lb . R Save for Later Attempts: 0 of 2 used Submit Answer Using multiple attempts will impact your score. 20% score reduction after attempt 1