Exothermic Reactions

Welcome to the "Exothermic Reactions" category on Questions LLC! Here, you will find a wealth of knowledge and insights about the fascinating world of exothermic reactions. Whether you are a curious science enthusiast or a student looking for additional resources for your chemistry class, this category aims to provide you with answers to all your burning questions about exothermic reactions. Discover the fundamental principles behind these reactions, delve into their real-world applications, and explore the amazing ways in which these reactions release energy. So, join us on this journey and let's unveil the secrets of exothermic reactions together!

Questions (78)

Hydrogen peroxide decomposes to water and oxygen at constant pressure by the following reaction:2H2O2(l) → 2H2O(l) + O2(g) ΔH
1. 4 answers
2. asked by Karla
3. 5,297 views
A student made a list of reactions:Fireworks exploding Paper burning Cellular respiration How should the student title his or
1. 33 answers
2. asked by Callie
3. 4,081 views
When 2.5g of NaOH were dissolved in 49.0g water in a calorimeter at 24.0 C, the temperature of the solution went up to 37.1 C.a.
1. 3 answers
2. asked by DrBob222
3. 3,839 views
LP gas burns according to the exothermic reaction:C3H8(g) + 5 O2(g) right arrow 3 CO2(g) + 4 H2O(g) ΔHrxn° = −2044 kJ What
1. 4 answers
2. asked by Dr. Phil
3. 4,512 views
CH4 + 2 O2 --> CO2 + 2 H2O + heatThis reaction is exothermic because more energy is released when the products bond than is
1. 6 answers
2. asked by Reagan
3. 2,617 views
Identify which of the following changes is exothermic.a) liquid water boils to steam b) liquid water freezes to give ice c) ice
1. 5 answers
2. asked by Anon
3. 2,668 views
In an exothermic reaction, the amount of energy required to break the attractions among the solute particles and among the
1. 4 answers
2. asked by ^_^
3. 1,566 views
The formation of tetrafluoroethylene from its elements is highly exothermic:2F2(g) + 2C(s) <-> F2C=C2F(g) b) Rare bacteria from
1. 3 answers
2. asked by Lyndsay
3. 1,278 views
Which of the following reactions is exothermic?1. Na(s) --> Na(g) 2. Na(g) --> Na+ + e- 3. Cl2(g) --> 2Cl(g) 4. Cl(g) + e- -->
1. 3 answers
2. asked by Fiona
3. 3,727 views
The reaction 2SO2(g) + O2(g) <--> 2sO3(g) is exothermic. What will happen to the concentration of sulfur dioxide if the
1. 3 answers
2. asked by Beel
3. 100 views
What is required, in terms of bond energies of reactants and products, for a reaction to be exothermic?(1 point)Responses The
1. 7 answers
2. asked anonymously
3. 76 views
Which of the following is an exothermic reaction?sugar dissolving in water <<my choice an explosion tea dissolving in water the
1. 3 answers
2. asked by bebe
3. 654 views
Which result occurs during an exothermic reaction?Light or heat are released into the environment. Light is released into the
1. 3 answers
2. asked anonymously
3. 56 views
When a reaction releases more energy than it uses, it is called(1 point)Responses catalyst catalyst exothermic exothermic
1. 3 answers
2. asked by yf7tffu
3. 58 views
Which reaction is exothermic?A. Cellular respiration B. Photosythesis C. Baking soda+ vinegar D. Melting ice Is the answer A?
1. 4 answers
2. asked by Callie
3. 694 views
if the energy to break bonds is greater than the energy to form the bonds, is it exothermic?
1. 3 answers
2. asked by Sara
3. 399 views
design and conduct an investion to find out whether the amount of heat(gas) produced will depend on an increase on the
1. 1 answer
2. asked by Jossie
3. 435 views
Plan,design and conduct an investion to find out whether the amount of heat(gas) produced will depend on an increase on the
1. 1 answer
2. asked by Jossie
3. 468 views
What is required in terms of bond energies of reactants and products for a reaction to be exothermic
1. 3 answers
2. asked anonymously
3. 34 views
Which event is an example of an exothermic reaction?a evaporation b melting ice c decomposition d combustion
1. 3 answers
2. asked anonymously
3. 86 views
Which of the following reactions is exothermic?Question 4 options: a) C2H4(g) + O2(g) → 2C(s) + 2H2O(g) DH = 469.2 kJ b)
1. 6 answers
2. asked anonymously
3. 42 views
Which result occurs during an exothermic reaction?Responses Light is released into the environment, while heat is absorbed.
1. 1 answer
2. asked by mom
3. 51 views
When a reaction releases more energy than it uses, it is called(1 point) Responses catalyst catalyst lactic lactic exothermic
1. 1 answer
2. asked anonymously
3. 39 views
A) When a reaction releases more energy than it uses, it is called (1 point)catalyst emeritus lactic exothermi
1. 1 answer
2. asked by Killer999
3. 27 views
When a reaction releases more energy than it uses, it is called(1 point)exothermic catalyst lactic emeritus
1. 1 answer
2. asked by Random
3. 33 views
Which event is an example of an exothermic reaction?A. melting ice B. decomposition C. evaporation D. combustion
1. 1 answer
2. asked anonymously
3. 34 views
When a reaction releases more energy than it uses, it is called (1 poincatalyst emeritus exothermic O lactic
1. 1 answer
2. asked by 凸(¬‿¬)
3. 26 views
2H2(g)+O2(g) ---> 2H2O(l)delta H= -572kJ/mole of O2 Calculate the amount of heat evolved when 10g of hydrogen are burned in
1. 2 answers
2. asked by Shirley
3. 1,169 views
Calcium oxide (quicklime) reacts with water to produce calcium hydroxide (slaked lime).CaO(s) + H2O(l) Ca(OH)2(s) ÄH = -65.2 kJ
1. 3 answers
2. asked by Glenna
3. 1,152 views
In an experiment, Ann mixes concentrated sulfuric acid with water in a reaction test tube. The walls of the test tube turn hot.
1. 2 answers
2. asked by josie
3. 1,125 views
an exothermic reaction involvesa. breaking weak bonds to form weak bonds. b. breaking weaker bonds to form stronger bonds c.
1. 3 answers
2. asked by Christina
3. 1,073 views
which result occurs during an exothermic reaction?A ) light is released into the environment, while heat is absorbed B ) light
1. 1 answer
2. asked anonymously
3. 53 views
0.949 g of CaO is added to 200.0 mL of 0.500 M HCl(aq), a temperature increase of 389C is observed.Assume the solution's final
1. 2 answers
2. asked by Anonymous
3. 933 views
Which reaction is exothermic?A. Cellular respiration B. Photosynthesis C. Baking soda + vinegar D. Melting Ice***
1. 2 answers
2. asked by Ally
3. 826 views
Which of the following is exothermic?A.boiling of water B.person growing C.choppening of tree D.freezing of water
1. 2 answers
2. asked by Yeneta
3. 752 views
The reaction of hydrochloric acid and sodium hydroxide is exothermicHCl +NaOH --> NaCl + H2O In one experiment, a student placed
1. 2 answers
2. asked by james
3. 745 views
Find (triangle)H for N2H4 + CH4O > C2HO + N2 + 3H22NH3 > N2H4 + H2 22.5 kJ 2NH3 > N2 + 3H2 57.5 kJ CH20 + H2 > CH4O 81.2 kJ
1. 2 answers
2. asked by Anonymous
3. 642 views
Draw an energy profile describing an exothermic reaction and label the energy activation and change of heat components of the
1. 2 answers
2. asked by amanda
3. 622 views
I've been trying to figure out how to go about answering this question and don't even know where to start. Any help would be
1. 3 answers
2. asked by Jess
3. 591 views
Which of the following are exothermic? Select all correct answers.A.The energy of the products is less than the energy of the
1. 2 answers
2. asked by Anonymous
3. 561 views
Firstly, is this right?:Exothermic reactions have a negative enthalpy change value because the enthalpy of the reactants are
1. 2 answers
2. asked by a Canadian
3. 571 views
Why are combustion reactions always exothermic?Is it just because it gives off heat? Thanks ahead of time Exothermic MEANS it
1. 1 answer
2. asked by Mercedes
3. 555 views
In the following options which one is maximum/highly exothermic reaction..?1)SrO+h2o 2)BaO+h2o 3)CaO+h2o 4)MgO+h2o Pls.... Need
1. 2 answers
2. asked by piyush
3. 546 views
what happens when sodium nitrate and copper hydroxide are heated in a boiling water?
1. 2 answers
2. asked by hailey
3. 507 views
A .25 g chunk of sodium metal is cautiously dropped into a mixture of 50g of water and 50 g of ice both at 0 C 2Na(s) + 2h2o(l)
1. 2 answers
2. asked by Diep
3. 523 views
In an exothermic reaction, delta H was found to be -40 kJ, and the activation energy to be 30 kJ. What would be the activation
1. 2 answers
2. asked by amanda
3. 495 views
In an exothermic reaction…Energy is absorbed from the surroundings and the temperature increases Energy is released to the
1. 1 answer
2. asked anonymously
3. 29 views
Which event is an example of an exothermic reaction?a decomposition b melting ice c evaporation d combustion
1. 1 answer
2. asked by e
3. 56 views
How can you recognize that an exothermic reaction has occurred?Question 1 options: The reaction will release heat The reaction
1. 3 answers
2. asked by izabell
3. 44 views
BALANCED OR UNBALANCEDN2+H2→2NH3 2C2H6+7O2→4CO2+6H2O 4ZnS+6O2→4ZnO+4SO2 2Fe2O3+3C→Fe+3CO2 C3H8+5O2→3CO2+4H2O
1. 1 answer
2. asked anonymously
3. 32 views

Exothermic Reactions

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