WebC (s) + O2 (g) → CO2 (g) ∆H = −394 kJ mol−1 1 H2 (g) + O2 (g) → H2O (l) ∆H = −286 kJ mol−1 2. CH4 (g) + 2O2 (g) → CO2 (g) + 2H2O (l) ∆H = −891 kJ mol−1. A. (−394 − 286 − 891) kJ mol−1. B. (−394 − (2 × 286) − 891) kJ mol−1 WebFeb 6, 2024 · H 2 O ( s) H 2 O ( l) is 22.1 J/K and requires that the surroundings transfer 6.00 kJ of heat to the system. Is the process spontaneous at −10.00 °C? Is it spontaneous at +10.00 °C? Solution We can assess the spontaneity of the process by calculating the entropy change of the universe. If Δ Suniv is positive, then the process is spontaneous.

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WebScience Chemistry Chemistry questions and answers 1) Do the following processes produce an increase or decrease in entropy? Justify A) H2O (1) - H2O (g) B) N (g) + O (g) - NO (g) C) N2 (g) + 3H2 (g) - 2NH3 (g) D) C&His (g) + 2502 (g) 16CO2 (g) + 18H20 (g) E) CaO (s) + CO2 (g) → CaCO3 (s) F) MgCl2 (s) + H2O (1) Mg (s) + 2HCl () WebDec 25, 2024 · Thus entropy for solids, liquid and gases follows the order: Gas>liquid>solid. As the entropy of gas is more than a liquid therefore, During the phase trasformation i.e . … snap central bedfordshire

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WebNow, lets remind ourselves of a basic concept. At room temperature water is a liquid. To get water into a gaseous state heat must be added. Thus, the transformation of liquid water … WebScience Chemistry Chemistry questions and answers Does entropy increase or decrease in the following processes? a) 2 H2O (g) -> 2 H2 (g) + O2 (g) b) 2 SO2 (g) + O2 (g) -> 2 SO3 (g) c) H2O (l) -> H2O (s) d) NaCl (s) -> Na + (aq) + Cl- (aq) Question: Does entropy increase or decrease in the following processes? http://webs.anokaramsey.edu/aspaas/1062/notes/ch17blank.pdf snap central beds