1) Indicate the sign of AS for each process: a) folding laundry b) C,H,20m + 6...
1) Indicate the sign of AS for each process: a) folding laundry b) CH0w +6 026 - 6CO2(x + 6 H,0 c) shuffling cards
Answer all question in the examination booklet (10 pts. each) 1) Indicate the sign of AS for each process: a) folding laundry b) C,H,,oo, t 6 Ο, ω-6co,ω + 6 H200 c) shuffling cards
For a protein such as ribonuclease, for the process of protein folding under native (non-denaturing) conditions, Punfolded → Pfolded Select the appropriate description for each of the thermodynamic parameters (for the folding reaction as shown above, from left to right): What is the value of ∆G? What is the value of ∆Sconformational? The value of ∆S hydrophobic? The choices for each question A. positive, favorable for folding B. positive, unfavorable for folding C. negative, favorable for folding D. negative, unfavorable...
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Classify each process as exothermic or endothermic and indicate the sign of Delta H_rxn. (a) ice melting (b) a sparkler burning (c) acetone evaporating from skin
Determine whether each of the following is exothermic or endothermic and indicate the sign of?H. a. natural gas burning on a stove b. isopropyl alcohol evaporating from skin c. water condensing from steam Indicate the sign of ?H. Which one is positive and which one is negative
THURSDAY, APRIL 5T",2018 Answer all questions correctly in ink in the examination booklet (10 pts each) 1) Indicate the sign of the change in entropy for each of the following processes: g) ? a) boiling water b) N205 2NO2 (g) + O2(g) c) shuffling a deck of cards 2) Is the following reaction spontaneous at 25°C under standard cor CEI.-, t. 202 (g) ? CO2 (g) + 2 H,O (1) G13.6 k.J) spontaneous at 25
The question goes as: Determine whether each of the following isexothermic or endothermic and indicate the sign of (Delta sign) H. a. Dry ice evaporating - I believe is endothermic? b. a sparkler burning- I believe is exothermic? c. the reaction that occurs in a chemical cold pack often usedto ice athletic injuries - I believe is exothermic?
Chapter 18 Thermodynamics Homework 1.Predict the sign of AS for each process: a) The boiling of water b)2HgO(s)-2Hg(I) + 02(s) c) CaCO, (s)CaO(s)+ CO (g) 2. Is the following process spontaneous or nonspontaneous at a given temperature? NaNO,(s) ->NaNO,(aq) 3. If a reaction has ΔS < 0 and ΔΗ < 0 will the reaction always be spontaneous, spontaneous at low T, spontaneous at high T, or never spontaneous? 4.Consider this reaction: Calculate ΔG at 25 °C and determine whether the...
5. Indicate if each of the following compounds is aromatic or not. H H N b :O:
number two a and b
2. a) Fill in the table below to indicate the sign (positive or negative or zero or 0, unable to determine or unknown) of the indicated value for each of the systems described below. Assume that systems not involving gases have negligible expansion or compression System #: A reaction occurs under standard conditions, and the vessel containing it becomes Warm during the reaction. Initial state reactants Final state products in thermodynamic equilibrium Susten 2: In...