Question

teringphysics 88898947 v | a google Getting Sated Sites ·See what's H Y Yahool IebSice eogle Maps mouTube wikipedia 《 Diagnostic Test 2 (Chapter 17) Item 12 Constants I Periodic Table Part A You have exactly 10m L) of ethyl aloohol at room emperature (24 [rm (rm "airc C))) You put it in a What's its new volume? Express your answer using four significant figures. refrigerator at 1 frm (n circ C) Submit X Incorrect: Try Again; 2 attempts remaining <Return to Assignment Provide Feedback

Answer 1

The change in Delta v , due to the change in temperature Delta t , is given by the formula Delta v = beta v Delta T (1) where beta = volume expansion coefficient v = initial volume of the substance Fro ethyl alcohol , beta = 75 times 10^- 5 k^- 1 Here, Delta T = (1 - 24) k = -23 k and v = 1 L substituting these values into eq^n (1) , we get Rightarrow Delta v = (75 times 10^- 5 k^- 1) times (1 L) times (- 23 k) Rightarrow Delta v = -0.01725 L therefore Final volume, when kept in refrigeration at 1 degree C, is 1 L - 0.01725 L = 0.98275 L therefore v_f = 0.9828 L therefore v_f = 0.9828 L