Spontaneous reactions

Welcome to the Spontaneous Reactions category on Questions LLC! This section is dedicated to exploring the fascinating world of spontaneous reactions, where we delve into the unexpected and often unpredictable side of life. Here, you'll find a wide array of questions and discussions that cover a range of spontaneous reactions in various aspects of life – from human emotions and natural phenomena to chemical and biological processes. Whether you're curious about the science behind sudden bursts of laughter, the reasons behind unanticipated changes in weather patterns, or simply seeking to understand the spontaneous nature of our existence, this category offers a platform to explore and learn. Engage with fellow enthusiasts, gain new perspectives, and discover the wonders of spontaneous reactions. Start exploring now!

Questions (33)

If delta H°rxn and delta S°rxn are both positive values, what drives the spontaneous reaction and in what direction at
1. 7 answers
2. asked by Alexis
3. 11,099 views
The ?H of the reaction below is -575.13 kJ. Is this reaction spontaneous?2ZnS + 3O2 + C ? 2SO2 + 2Zn + CO2 A. It is not because
1. 5 answers
2. asked by Morgan
3. 1,935 views
Which of the reactions are spontaneous (favorable)?a. 2H2O(g)⟶2H2(g)+O2(g) Δ𝐺=457 kJ/mol b. CH4(g)+2O2(g)⟶CO2(g)+2H2O(l)
1. 4 answers
2. asked by Anon
3. 3,202 views
Sodium carbonate can be made by heating sodium bicarbonate:2NaHCO3(s) �¨ Na2CO3(s) + CO2(g) + H2O(g) Given that ƒ¢H�‹ =
1. 4 answers
2. asked by Nicole
3. 1,436 views
How do you know which reactions are spontaneous?For example, the equation I2(s)+2NaF(aq)->F2(g)+2NaI(aq) is spontaneous. Why is
1. 2 answers
2. asked by Elizabeth
3. 647 views
why is this reaction spontaneous?Mg + 2Cu2+ --> Mg2+ + 2Cu+ Mg2+ + 2e --> Mg E= -2.37 V Cu2 + e --> Cu+ E= 0.15 V
1. 2 answers
2. asked by Tara
3. 1,074 views
Determine whether the reaction given below would be spontaneous or not. JUSTIFY your answer.Fe2+ (aq) + Al (s) → Al3+(aq) + Fe
1. 4 answers
2. asked by Online
3. 220 views
During a spontaneous chemical reaction, it is found that δSsys < 0. This means __________a. δSsurr < 0 and its magnitude is <
1. 2 answers
2. asked by Flavia
3. 1,145 views
Quick Question - For a spontaneous reaction,ΔS°>0 and K >1. Is this always?
1. 1 answer
2. asked by Whitney
3. 402 views
some reactions that are considered to be spontaneous at low temperatures will not proceed at a measurable rate or form any
1. 3 answers
2. asked by anonymous
3. 747 views
I have two questions about this problem, I understand how it's supposed to be done but I don't understand how my teacher came to
1. 1 answer
2. asked by Vesone
3. 624 views
Which of the following reactions are spontaneous (favorable)?A. DHAP ---> glyceraldehyde - 3 - phosphate ΔG=3.8 kJ/mol B.
1. 2 answers
2. asked by whit
3. 940 views
The following reaction has the following standard thermodynamic parameters:Reaction: C(g) + D(g)----> E(g) Delta H
1. 2 answers
2. asked by Kay
3. 933 views
Can someone check this for me?Predict which reactions are spontaneous: a) Zn(s) + 2H+(aq) --> Zn+2(aq) + H2(g) b) CaCO3(s) +
1. 1 answer
2. asked by Chris
3. 889 views
the activity series of metals is:Au < Ag < Cu < Sn < Cd < Zn < Al < Mg < Na < Cs which reaction below occutrs spontaneously
1. 1 answer
2. asked by Dani
3. 815 views
The entropy of combustion of benzoic acid is zero. This means that...a)combustion is not spontaneous here. b)combustion is
1. 2 answers
2. asked by Ginger
3. 827 views
CH3COO-(aq) + H3O+(aq) → CH3COOH + H2O is spontaneous or non spontaneous rxn?
1. 2 answers
2. asked by Lavendar
3. 752 views
under what conditions could the decomposition of Ag2O(s) into Ag(s) and O2(g) proceed spontaneously at 298 K?2Ag2O(s)---->4Ag(s)
1. 1 answer
2. asked by thomas
3. 694 views
Which of the following is NOT a spontaneous reaction?a. Ice melting at 25 °C under atmospheric pressure b. Water freezing at 25
1. 3 answers
2. asked by Jack
3. 685 views
under standard conditions, the following reaction is spontaneous at 298K.O2 + 4H+ + 4Br- --> 2H2O + 2 Br2 Will the reaction be
1. 2 answers
2. asked by Tina
3. 648 views
which of these reactions (a) or (b) is spontaneous? Explain why. write the half cell equations for the spontaneous reaction.
1. 2 answers
2. asked by reneet
3. 635 views
Spontaneous reactions ________.always release free energy*** always result in increase disorder of the system always take place
1. 2 answers
2. asked by Ben
3. 617 views
which of these reactions if spontaneous?(a) Fe^0 + Mg +2 --> Mg^0 +Fe+2 (b) Fe+2 + Mg ^0 --> Fe^0 + Mg +2 write the half cell
1. 2 answers
2. asked by Jason
3. 636 views
I have 2 questions. Can someone confirm my answers?1.) Which of the following would almost always indicate a spontaneous
1. 2 answers
2. asked by Loren
3. 538 views
Pb(aq)2+ + 2e- → Pb(s) Ero = - 0.13 VSc(aq)3+ + 3e- → Sc(s) Ero = - 2.02 V a) Write a balanced chemical equation for a
1. 2 answers
2. asked by Amy
3. 514 views
What is meant by the directionality of a spontaneous reaction?I haven't heard of the term but I assume it means the direction in
1. 1 answer
2. asked by Mary
3. 505 views
Provide an example of a spontaneous reaction
1. 7 answers
2. asked by WhatsUp
3. 471 views
Pb(aq)2+ + 2e- → Pb(s) Ero = - 0.13 VSc(aq)3+ + 3e- → Sc(s) Ero = - 2.02 V a) Write a balanced chemical equation for a
1. 2 answers
2. asked by Rose
3. 484 views
Is Cl-(aq) and H2(g) a spontaneous redox reaction in a voltaic cell
1. 1 answer
2. asked anonymously
3. 29 views
How is ambient energy relative to whether a reaction is spontaneous?? Does Exothermic reaction that is self-sustaining not have
1. 1 answer
2. asked by Anonymous
3. 437 views
What is the difference between a spontaneous and a non spontaneous reaction?
1. 3 answers
2. asked by Sumaita
3. 458 views
Zn + I2 ---> Zn ^+2 + 2I- will this reaction occur spontaneously?
1. 1 answer
2. asked by Shelly
3. 443 views
given MnO2/Mn+2 and Cr+3/Cr half cells, determine the overall electrochemical reaction that proceeds spontaneously and the E^0
1. 1 answer
2. asked by Ward
3. 16 views