A 4NO(g) + 6H2O(l) --------------> 4NH3(g) + 5O2(g) Hrxn = 906KJ
The forward reaction is endothermic reaction . The endothermic reaction takes place at high temperature.
high temperature >>>.answer
B. 2N2O(g) + O2(g) ----------> 4NO(g) Hrxn = 197.1KJ
The forward reaction is endothermic reaction . The endothermic reaction takes place at high temperature.
high temperature >>>.answer
C. C3H8(g) + 5O2(g) -------------> 3CO2(g) + 4H2O(g) Hrxn = -2044Kj
The forward reaction is exothermic reaction .
All temperature >>>.answer
Question 5 1 pts Predict under what temperatures (all temperatures, low temperatures, or high temperatures), if...
Question 6 1.5 pts Predict under what temperatures (all temperatures, low temperatures, or high temperatures), if any, the following reactions will be spontaneous. A. 2CO(g) + O2(g) = 2002(g), AH rxn=-566.0 kJ [ Select] B. 2NO2(g)2NO(g)+O2(g), AH rxn= +113.1 kJ [ Select ] C. 2H2(g)+O2(g)—2H2O(g), AH rxn=-483.6 kJ [ Select] D. 2H2O2(1)→2H2O(1)+O2(g), AH rxn= -196.0 kJ [Select ]
Question 3 1 pts Predict under what temperatures (all temperatures, low temperatures, or high temperatures), if any, the reaction will be spontaneous. A. AS rxn= +100 J/K; AH rxn= +150 kJ [ Select] B. AS rxn= - 100 J/K; AH rxn= +200 kJ [Select]
Exercise 18.38-Enhanced-with Feedback 7 of 13> Part E ReviewI ConstantsI Periodic Table In addition, predict under what temperatures (all temperatures, low temperatures, or high temperatures), if any the reaction in each part will be spontaneous. Without doing any calculations, iddentify the signs of ΔSays and ΔSsurr for each of the following chemical reactions. Drag the appropriate items to their respective bins. Reset Help Reaction is spontaneous at all temperatures Reaction is spontaneous at low temperatures Reaction is spontaneous at high...
Tedict and explain whether the follo ind explain whether the following reactions will be nonspontaneous at all temperatures or spontaneous at all, low, or high temperatures. (a) 2POCI(8) ► 2PC(s) + O2(8) Air - 572 3; AS - 179 3K (b) 302(g) → 203(g) AF - 286 kJ; AS = -1373/ (c) 4NH3(g) + 502(g) → 4NO(g) + 6H2O() AH = -1274 kJ; AS = 180 J/K (d) 2PbS(s) + 302(g) → 2PbO(s) + 2502(8) AH = -844 kJ; AS...
C(s) + O2(g) + CO2(g) AH° = -393.5 kJ (5 pts) Given the following enthalpy values for reactions at 25°C, what is AH at 25°C for the following reaction: C3H3(g) + 502(g) + 4H2O(g) + 3CO2(g) AH = -2043 kJ 3C(s) + 4 H2(g) → C3H8 (g) 2H2(g) + O2(g) + 2H2O(g) AH° = -483.6 kJ
How do we predict the conditions (high temperature, low temperature, all temperatures, or no temperatures) under which each of the following reactions will be spontaneous. (I have the correct answers to the following so I really want to understand how to solve this question or approach it - Thank you) a) H2O(g) -->H2O(l) b) CO2(s)-->CO2(g) c) H2(g)-->2H(g) d) 2NO2(g)-->2NO(g)+O2(g)(endothermic) *Please expain how to determine the answers - I have the correct solutions*
State whether following reactions are spontaneous at all temperatures, low temperatures, high temperatures or not spontaneous at any temperatures. (a) N2(g) + 3 F2(g) + 2 NF3(g) AH = -249 kJ (b) N()+ 3Cl2(g) → 2 NC13(g) AH = 460 kJ (e) NF4(8) 2 NF2(g) AH = 85 kJ
14. For the following reactions, predict whether they will tend to be spontaneous at high, low, all temperatures, or non-spontaneous at any temperature (10 points) a) An "instant ice-pack" type of reaction where AS > 0, and AH > 0 b) 3A (1) ► B(s) + C(1) + D(g), AH < 0 c) 2A(s) → B(g) + C(1), AH > 0
Problem Set 11 October 11, 2019 CHEM 1252 4. One of synthetic chemistry's "holy grails" is to transform methane, CHe(g), into methanol, CH OH(); the purpose is to create an alternative fuel from the primary component of natural gas. (a) Write a balanced chemical equation, with physical states, for the reaction of methane and oxygen to produce methanol. (b) Calculate AG for this reaction. How would you expect increasing the temperature of the reaction to influence AG? 5. Predict and...
Under which of the following conditions is a process spontaneous at high temperatures and nonspontaneous at low temperatures? Select the correct answer below: O AH and AS are both positive O AH and AS are both negative O ΔH is positive and Δ.S is negative O AH is negative and AS is positive