Endothermic and Exothermic Reactions

Welcome to the Endothermic and Exothermic Reactions category on Questions LLC! Whether you're a chemistry enthusiast, a student studying science, or just curious about the fascinating world of chemical reactions, this category is the perfect place for you. Here, you'll find a diverse range of questions and answers relating to endothermic and exothermic reactions, the heart of numerous natural and human-made processes. Our community of knowledgeable members is eager to share their expertise and help unravel the mysteries behind these energy-changing reactions. So, dive in, explore, and expand your understanding of the captivating world of endothermic and exothermic reactions!

Questions (35)

would you classify 2C(s) + H2(g) ---> C2H2(g) +227.4 as endothermic or exothermic? Why?
1. 4 answers
2. asked by No Name
3. 2,179 views
A scientist is trying to determine if a reaction is endothermic or exothermic and measure how much energy is absorbed or given
1. 1 answer
2. asked by n
3. 63 views
1. How do endothermic and exothermic reactions differ?a. Endothermic reactions release energy and are spontaneous. b. Exothermic
1. 2 answers
2. asked by Dizzie
3. 792 views
3 Endothermic reactions absorb a lot of energy. Exothermic reactions give off a lot of energy. Which type of reaction has a
1. 6 answers
2. asked by Tommy Tucker
3. 666 views
HCl (aq) + NaOH (aq) -> NaCl (aq) + H2O (l)Will the neutralisation reaction be endothermic or exothermic? Hint: think about the
1. 4 answers
2. asked by A Canadian
3. 1,996 views
Anyone have a test answer for conexxus? It is the Energy in chemical reaction.1. Which result occurs during endothermic
1. 7 answers
2. asked by Pleasehelpme
3. 1,231 views
Is CO + O2 -> CO2 an endothermic or an exothermic reaction?Also, are all combustion reaction endothermic? Thanks in advance.
1. 3 answers
2. asked by Namie
3. 2,247 views
ChemB unit 3 custom test:1.)Is this question endothermic or exothermic PCI3 (s)+CI2 (g)—> PCI5 (s) + energy 2.) Is this
1. 5 answers
2. asked by Please help lol
3. 413 views
The value of Kw increases with increasing temperature. Is the autoionization of water endothermic or exothermic?In thinking its
1. 4 answers
2. asked by L.Bianchessi
3. 2,450 views
Endothermic and Exothermic Reaction ExperimentTwo students, Andre and Betsy, were completing a lab in which they investigated
1. 7 answers
2. asked by Optinal
3. 68 views
When ammonium chloride dissolves in water, the temperature of the water decreases. Which statement best describes this
1. 3 answers
2. asked anonymously
3. 117 views
When an ice cube melts in your hand, it changes from a solid to a liquid.H2O (s) → H2O (l) This is an example of
1. 3 answers
2. asked anonymously
3. 67 views
When ammonium nitrate is dissolved in the water in a flask ,the flask becomes cold .is this an endothermic or exothermic
1. 3 answers
2. asked anonymously
3. 39 views
Are these endothermic or exothermic?A) cracking large hydrocarbon molecules B) digesting a candy bar I don't get these. Could
1. 2 answers
2. asked by ConfusedChemStudent
3. 679 views
are these endothermic or exothermic?2H2O2 (l) �¨ 2H2O(l) + O2(g) ∆H = -190 kj C(s) + H2O (g) �¨ CO (g) + H2 (g) ∆H =
1. 3 answers
2. asked by key
3. 1,634 views
I'm having a hard time understanding Endothermic and Exothermic reactions, like their standard format and stuff. For Exothermic
1. 4 answers
2. asked by Shreya
3. 1,455 views
Endothermic reaction is one in which energy is absorbed. In this process, energy is produced and independently maintained.-
1. 1 answer
2. asked anonymously
3. 36 views
hydrogen bromide breaks down into diatomic hydrogen and bromine in the reaction shown.2HBr > H2 + Br2 the energy of the reactant
1. 1 answer
2. asked by haven
3. 72 views
1 2Mg + o2 --> 2Mgo2 MgCo3 --> MgO + Co2 3 Co2 + Ca(OH)2 --> CaCo3 + h2O 4 Zn + 2HCl --> ZnCl2 + H2 5 2H2 + O2 ---> 2H2O 2 KI +
1. 1 answer
2. asked by peter
3. 753 views
Determine whether the following are endothermic or exothermic.2H2O2 (l) �¨ 2H2O(l) + O2(g) ∆H = -190 kj C(s) + H2O (g) �¨
1. 2 answers
2. asked by c
3. 608 views
Can anybody explain to me how to determine the endormicity and exormicity in a reaction and where does the equilibrium shift.
1. 3 answers
2. asked by Angel Locsin
3. 525 views
Is the reaction involved in dissolving ammonium chloride in water an endothermic reaction or exothermic reaction? Why?I am
1. 2 answers
2. asked by Anonymous
3. 543 views
Calculate the energy changes associated with each of the following reactions. Label each as endothermic or exothermic.A.)
1. 1 answer
2. asked by Jake
3. 472 views
When an ice cube melts in your hand, it changes from a solid to a liquid.H2O (s) → H2O (l) This is an example of
1. 1 answer
2. asked anonymously
3. 56 views
The energy change for reaction 1 is + 2803 kJ/mol.The energy change for reaction 2 is - 2219 kJ/mol. Which 2 statements below
1. 1 answer
2. asked anonymously
3. 26 views
Which type of reaction is occurring during a fireworks show? How do you know?It is an endothermic reaction. Fireworks are
1. 1 answer
2. asked anonymously
3. 24 views
Use the image to answer the question.Which kind of reaction is shown in this image? (1 point) Responses It is an endothermic
1. 1 answer
2. asked anonymously
3. 48 views
Is this reaction endothermic or exothermic based on the information in the table? Choose the answer below that supports your
1. 1 answer
2. asked anonymously
3. 36 views
match the following descriptions to the overall type of reaction. (4 points) Endothermic Exothermic Example: 2,900 kJ/mol -
1. 1 answer
2. asked by lol
3. 38 views
]Is a burning fire endothermic or exothermic? How do you know?(1 point)Responses A burning fire is exothermic because a lot of
1. 1 answer
2. asked anonymously
3. 27 views
Rust formation is represented as iron + oxygen rust + energy.Which describes this reaction? Rust formation is an endothermic
1. 1 answer
2. asked by e
3. 40 views
Which of the following process is likely to be an endothermic process?* 1 point freezing of water to ice cooling of graphite
1. 1 answer
2. asked anonymously
3. 14 views
Question 11 (1 point) Reaction A: N2 (g) + O2 (g) ↔ 2 NO (g) + Heat Reaction B: 2 SO2 (s) + O2 (g) + Heat ↔ 2 SO3 (s) Which
1. 1 answer
2. asked anonymously
3. 17 views
If the forward reaction in a reversible reaction is endothermic, the reverse reaction will be exothermic. True False
1. 1 answer
2. asked anonymously
3. 12 views
Endothermic reactions absorb a lot of energy. Exothermic reactions give off a lot of energy. Which type of reaction has a higher
1. 1 answer
2. asked by Alex Burdine
3. 7 views