Can you Classify the following reactions as exothermic or endothermic?

Can you Classify the following reactions as exothermic or endothermic?
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Endothermic and exothermic reactions:

Description : Endothermic and exothermic reactions:

Last Answer : Chemical reactions can occur spontaneously if the reactants possess more potential energy (stored energy) than the products. This type of reaction occurs spontaneously because of the downhill energy path (from ... the reactants. As a result, energy must be added to trigger an endothermic reaction.

Differentiate between any five of the following: a) Thermoplastics and thermosetting plastics b) Lunar eclipse and solar eclipse c) Asteroid and meteorite d) Renewable and non-renewable energy resources e) Endothermic and exothermic reactions f) Star and planet g) Nuclear fission and nuclear fusion

Description : Differentiate between any five of the following: a) Thermoplastics and thermosetting plastics b) Lunar eclipse and solar eclipse c) Asteroid and meteorite d) Renewable and non-renewable energy resources e) Endothermic and exothermic reactions f) Star and planet g) Nuclear fission and nuclear fusion

Last Answer : a) Thermoplastics and thermosetting plastics: Thermoplastics: Thermoplastics can be repeatedly softened by heating and hardened by cooling.Thermoplastic molecules, which are linear or slightly branched, do ... or explode in midair. Remains of meteoroids that reach the surface are called meteorites.

In the reversible reaction of the type, A + B ⇌ AB, in general (A) Both forward and backward reactions will be exothermic (B) Neither of the reactions will be endothermic (C) The combination reaction will be exothermic, while the dissociation reaction will be endothermic (D) The combination reaction will be endothermic, while the dissociation reaction will be exothermic

Description : In the reversible reaction of the type, A + B ⇌ AB, in general (A) Both forward and backward reactions will be exothermic (B) Neither of the reactions will be endothermic (C) ... will be endothermic (D) The combination reaction will be endothermic, while the dissociation reaction will be exothermic

Last Answer : (C) The combination reaction will be exothermic, while the dissociation reaction will be endothermic

The rate of reaction does not decrease appreciably as the reaction proceeds in case of __________ reactions. (A) Autocatalytic (B) Exothermic (C) Endothermic (D) Autothermal

Description : The rate of reaction does not decrease appreciably as the reaction proceeds in case of __________ reactions. (A) Autocatalytic (B) Exothermic (C) Endothermic (D) Autothermal

Last Answer : (A) Autocatalytic

What is the effect of endothermic and exothermic reactions on temperature of surroundings.

Description : What is the effect of endothermic and exothermic reactions on temperature of surroundings.

Last Answer : Ans: In endothermic reactions heat is absorbed from the surroundings resulting in decrease of temperature. Whereas heat is evolved in surrounding during exothermic reaction so temperature of surroundings increases.

What is the difference between an endothermic and an exothermic process?

Description : What is the difference between an endothermic and an exothermic process?

Last Answer : Are you talking about chem reactions? Endothermic reactions absorb energy, exothermic reactions release energy. Exo means outside, endo means inside. So just remember that exothermic means it gives something out and ... in. Also, I'm sure your teacher would love to explain this to you as well.

Is Splitting a gas molecule is exothermic or endothermic?

Description : Is Splitting a gas molecule is exothermic or endothermic?

Last Answer : Need answer

Is mist forming on a mirror endothermic or exothermic?

Description : Is mist forming on a mirror endothermic or exothermic?

Last Answer : The creation of "mist" or steam (condensation) from water is exothermic but the mirror is not experiencing any kind of chemical reaction.

When solid lead chloride dissolves in hot water is this endothermic or exothermic?

Description : When solid lead chloride dissolves in hot water is this endothermic or exothermic?

Last Answer : That would be an endothermic process.

Is caramelizing sugar a endothermic or exothermic reaction?

Description : Is caramelizing sugar a endothermic or exothermic reaction?

Last Answer : This is an endothermic reaction.

Is cold pack exothermic or endothermic?

Description : Is cold pack exothermic or endothermic?

Last Answer : The process is endothermic.

Is a match is lit and Burns endothermic or exothermic reaction?

Description : Is a match is lit and Burns endothermic or exothermic reaction?

Last Answer : Need answer

Is cold pack exothermic or endothermic?

Description : Is cold pack exothermic or endothermic?

Last Answer : The process is endothermic.

Is acid rain an exothermic or endothermic reaction?

Description : Is acid rain an exothermic or endothermic reaction?

Last Answer : No

Photosynthesis is – (1) An exothermic process (2) An endothermic process (3) A neutral process (4) A thermostatic process

Description : Photosynthesis is – (1) An exothermic process (2) An endothermic process (3) A neutral process (4) A thermostatic process

Last Answer : (2) An endothermic process Explanation: Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms' activities.

Photosynthesis is a/an - (1) exothermic process (2) endothermic process (3) a neutral process (4) a thermostatic process

Description : Photosynthesis is a/an - (1) exothermic process (2) endothermic process (3) a neutral process (4) a thermostatic process

Last Answer : (2) endothermic process Explanation: Photosynthesis is an endothermic reaction because in order for it to occur, the plants in which it occurs must absorb energy.

Combustion of a candle is a/an - (1) photochemical reaction (2) physical change (3) endothermic reaction (4) exothermic reaction

Description : Combustion of a candle is a/an - (1) photochemical reaction (2) physical change (3) endothermic reaction (4) exothermic reaction

Last Answer : (4) exothermic reaction Explanation: In theory, a candle is made of a solid hydrocarbon called paraffin. When the solid burns, the hydrocarbon reacts with oxygen to form carbon dioxide and water. The reaction is exothermic, meaning it releases heat to the atmosphere along with the other products.

The process of dissolving an acid or a base in water is a highly - (1) Exothermic reaction (2) Endothermic reaction (3) Sublimation reaction (4) Redux reaction

Description : The process of dissolving an acid or a base in water is a highly - (1) Exothermic reaction (2) Endothermic reaction (3) Sublimation reaction (4) Redux reaction

Last Answer : (1) Exothermic reaction Explanation: The process of dissolving an acid or a base in water is a highly exothermic one. This is why care must be taken while mixing concentrated nitric acid or sulphuric acid with water.

Cracking is (A) An exothermic reaction(B) An endothermic reaction(C) Favoured at very low temperature(D) None of these

Description : Cracking is (A) An exothermic reaction (B) An endothermic reaction (C) Favoured at very low temperature (D) None of these

Last Answer : (B) An endothermic reaction

C6H12O6 (aq) + 602(aq) →6CO2(aq) + 6H2O The above reaction is a/an (a) displacement reaction (b) endothermic reaction (c) exothermic reaction (d) neutralisation reaction

Description : C6H12O6 (aq) + 602(aq) →6CO2(aq) + 6H2O The above reaction is a/an (a) displacement reaction (b) endothermic reaction (c) exothermic reaction (d) neutralisation reaction

Last Answer : Answer: (c)

Pick out the wrong statement (A) Co-current absorbers are usually used, when the gas to be dissolved in the liquid is a pure substance (B) In case of gas absorption, HETP is equal to HTU, when both the operating line & the equilibrium lines are parallel (C) Hatta number is important in case of gas absorption with chemical reaction (D) In actual practice, absorption is an endothermic process, while stripping is an exothermic process

Description : Pick out the wrong statement (A) Co-current absorbers are usually used, when the gas to be dissolved in the liquid is a pure substance (B) In case of gas absorption, HETP is ... reaction (D) In actual practice, absorption is an endothermic process, while stripping is an exothermic process

Last Answer : (D) In actual practice, absorption is an endothermic process, while stripping is an exothermic process

Crystallisation of solids from a homogeneous solution is a/an __________ process. (A) Exothermic (B) Mildly endothermic (C) Highly endothermic (D) None of these

Description : Crystallisation of solids from a homogeneous solution is a/an __________ process. (A) Exothermic (B) Mildly endothermic (C) Highly endothermic (D) None of these

Last Answer : (A) Exothermic

All decomposition reaction are endothermic but decomposition of vegetable matter into compost is exothermic because (a) It is an oxidation reaction (b) decomposition done by microbes (c) releases heat energy (d) all the above

Description : All decomposition reaction are endothermic but decomposition of vegetable matter into compost is exothermic because (a) It is an oxidation reaction (b) decomposition done by microbes (c) releases heat energy (d) all the above

Last Answer : (d) all the above

During decomposition, energy is absorbed in the form of heat, light or electricity for breaking down the reactants which is known as: (a) exothermic reaction (b) endothermic reaction (c) reduction reaction (d) oxidation

Description : During decomposition, energy is absorbed in the form of heat, light or electricity for breaking down the reactants which is known as: (a) exothermic reaction (b) endothermic reaction (c) reduction reaction (d) oxidation

Last Answer : (b) endothermic reaction

Rusting of iron and respiration: (a) both are exothermic processes (b) both are endothermic processed (c) rusting is exothermic, respiration is endothermic(d) rusting is endothermic, respiration is exothermic

Description : Rusting of iron and respiration: (a) both are exothermic processes (b) both are endothermic processed (c) rusting is exothermic, respiration is endothermic (d) rusting is endothermic, respiration is exothermic

Last Answer : (a) both are exothermic processes

During photosynthesis, energy is absorbed by chlorophyll, therefore it is: (a) exothermic reaction (b) endothermic reaction (c) neither exothermic nor endothermic reaction (d) the process takes place in plants only

Description : During photosynthesis, energy is absorbed by chlorophyll, therefore it is: (a) exothermic reaction (b) endothermic reaction (c) neither exothermic nor endothermic reaction (d) the process takes place in plants only

Last Answer : (b) endothermic reaction

Which of the following describes the given graph correctly? Potential energy Reaction Product Substrate B A (a) Endothermic reaction with energy A in presence of enzyme and B in absence of enzyme. (b) Exothermic reaction with energy A in presence of enzyme and B in absence of enzyme. (c) Endothermic reaction with energy A in absence of enzyme and B in presence of enzyme. (d) Exothermic reaction with energy A in absence of enzyme and B in presence of enzyme.

Description : Which of the following describes the given graph correctly? Potential energy Reaction Product Substrate B A (a) Endothermic reaction with energy A in presence of enzyme and B in absence of enzyme. (b) ... . (d) Exothermic reaction with energy A in absence of enzyme and B in presence of enzyme.

Last Answer : (b) Exothermic reaction with energy A in presence of enzyme and B in absence of enzyme

The combustion reaction, C + O2 = CO2 , is (A) Exothermic (B) Endothermic (C) Autocatalytic

Description : The combustion reaction, C + O2 = CO2 , is (A) Exothermic (B) Endothermic (C) Autocatalytic

Last Answer : (A) Exothermic

The gasification reaction represented by, C + H2O = CO + H2 , is (A) Exothermic (B) Endothermic (C) Catalytic (D) Autocatalytic

Description : The gasification reaction represented by, C + H2O = CO + H2 , is (A) Exothermic (B) Endothermic (C) Catalytic (D) Autocatalytic

Last Answer : (B) Endothermic

Combustion reaction of fuels is a/an __________ reaction. (A) Auto catalytic (B) Exothermic (C) Endothermic (D) None of these

Description : Combustion reaction of fuels is a/an __________ reaction. (A) Auto catalytic (B) Exothermic (C) Endothermic (D) None of these

Last Answer : (B) Exothermic

Formation of ammonium carbamate by reaction of NH3 with CO2 is a/an __________ reaction. (A) Catalytic (B) Exothermic (C) Endothermic (D) Reversible

Description : Formation of ammonium carbamate by reaction of NH3 with CO2 is a/an __________ reaction. (A) Catalytic (B) Exothermic (C) Endothermic (D) Reversible

Last Answer : (B) Exothermic

Oxidation of ammonia is (A) Exothermic (B) Endothermic (C) Non-catalytic (D) Autocatalytic

Description : Oxidation of ammonia is (A) Exothermic (B) Endothermic (C) Non-catalytic (D) Autocatalytic

Last Answer : (A) Exothermic

Liquid ammonia and 60% nitric acid reaction (which producesammonium nitrate) is(A) Exothermic(B) Endothermic(C) Autocatalytic(D) None of these

Description : Liquid ammonia and 60% nitric acid reaction (which producesammonium nitrate) is (A) Exothermic (B) Endothermic (C) Autocatalytic (D) None of these

Last Answer : (A) Exothermic

Dehydration of ammonium carbamate to yield urea is a/an __________ reaction. (A) Exothermic (B) Endothermic (C) Autocatalytic (D) Catalytic

Description : Dehydration of ammonium carbamate to yield urea is a/an __________ reaction. (A) Exothermic (B) Endothermic (C) Autocatalytic (D) Catalytic

Last Answer : (B) Endothermic

Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction. (A) Reversible (B) Catalytic(C) Exothermic(D) Endothermic

Description : Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction. (A) Reversible (B) Catalytic (C) Exothermic (D) Endothermic

Last Answer : (D) Endothermic

Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an __________ reaction. (A) Catalytic (B) Endothermic (C) Exothermic (D) Autocatalytic

Description : Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an __________ reaction. (A) Catalytic (B) Endothermic (C) Exothermic (D) Autocatalytic

Last Answer : (C) Exothermic

Ammonia synthesis reaction is (A) Exothermic (B) Endothermic (C) Autocatalytic (D) None of these

Description : Ammonia synthesis reaction is (A) Exothermic (B) Endothermic (C) Autocatalytic (D) None of these

Last Answer : (A) Exothermic

Steam reforming of naphtha produces ammonia synthesis gas. This is a/an __________ process. (A) Autocatalytic (B) Endothermic (C) Exothermic (D) Non-catalytic

Description : Steam reforming of naphtha produces ammonia synthesis gas. This is a/an __________ process. (A) Autocatalytic (B) Endothermic (C) Exothermic (D) Non-catalytic

Last Answer : (B) Endothermic

Catalytic ammonia synthesis reaction as in Haber's process is (A) Endothermic (B) Exothermic (C) Irreversible (D) None of these

Description : Catalytic ammonia synthesis reaction as in Haber's process is (A) Endothermic (B) Exothermic (C) Irreversible (D) None of these

Last Answer : (B) Exothermic

Conversion increases with increase in temperature in case of a/an__________ reaction.(A) Autocatalytic(B) Irreversible(C) Reversible endothermic(D) Reversible exothermic

Description : Conversion increases with increase in temperature in case of a/an__________ reaction. (A) Autocatalytic (B) Irreversible (C) Reversible endothermic (D) Reversible exothermic

Last Answer : (C) Reversible endothermic

In case of a/an __________ chemical reaction, conversion increases with the rise in temperature. (A) Reversible exothermic (B) Irreversible exothermic (C) Irreversible endothermic (D) Reversible endothermic

Description : In case of a/an __________ chemical reaction, conversion increases with the rise in temperature. (A) Reversible exothermic (B) Irreversible exothermic (C) Irreversible endothermic (D) Reversible endothermic

Last Answer : (D) Reversible endothermic

The reaction between oxygen and organic material is a/an __________ reaction. (A) Exothermic (B) Endothermic (C) Biochemical (D) Photochemical

Description : The reaction between oxygen and organic material is a/an __________ reaction. (A) Exothermic (B) Endothermic (C) Biochemical (D) Photochemical

Last Answer : (A) Exothermic

Pick out the correct statement. (A) A chemical reaction accompanied by absorption of heat is called an exothermic reaction (B) A chemical reaction accompanied by evolution of heat is called an endothermic reaction (C) The rate constant for a first order reaction does not change on changing the concentration units (D) Chemical equilibrium state is dynamic in nature

Description : Pick out the correct statement. (A) A chemical reaction accompanied by absorption of heat is called an exothermic reaction (B) A chemical reaction accompanied by evolution of heat is called an ... does not change on changing the concentration units (D) Chemical equilibrium state is dynamic in nature

Last Answer : (C) The rate constant for a first order reaction does not change on changing the concentration units

In the fluid catalytic cracker (FCC), the cracking reaction is __________ (i) and the regeneration is__________ (ii) __________(A) (i) exothermic (ii) endothermic (B) (i) exothermic (ii) exothermic (C) (i) endothermic (ii) endothermic (D) (i) endothermic (ii) exothermic.

Description : In the fluid catalytic cracker (FCC), the cracking reaction is __________ (i) and the regeneration is__________ (ii) __________. (A) (i) exothermic (ii) endothermic (B) (i) exothermic (ii) exothermic (C) (i) endothermic (ii) endothermic (D) (i) endothermic (ii) exothermic

Last Answer : (D) (i) endothermic (ii) exothermic

Hydrogenation of vegetable oils is a/an __________ reaction. (A) Endothermic (B) Autocatalytic (C) Exothermic (D) Homogenous

Description : Hydrogenation of vegetable oils is a/an __________ reaction. (A) Endothermic (B) Autocatalytic (C) Exothermic (D) Homogenous

Last Answer : (C) Exothermic

Absorption of SO3 in 97% H2SO4 is (A) Exothermic (B) Endothermic (C) Not possible (D) None of these

Description : Absorption of SO3 in 97% H2SO4 is (A) Exothermic (B) Endothermic (C) Not possible (D) None of these

Last Answer : (A) Exothermic

Detergent is produced by the sulphonation of dodecyl benzene, which is an __________ reaction. (A) Endothermic (B) Exothermic (C) Irreversible (D) Both (B) and (C)

Description : Detergent is produced by the sulphonation of dodecyl benzene, which is an __________ reaction. (A) Endothermic (B) Exothermic (C) Irreversible (D) Both (B) and (C)

Last Answer : (D) Both (B) and (C)

The gasification reaction represented by, C + H2O = CO + H2 , is a/an __________ reaction. (A) Exothermic (B) Endothermic (C) Catalytic (D) Autocatalytic

Description : The gasification reaction represented by, C + H2O = CO + H2 , is a/an __________ reaction. (A) Exothermic (B) Endothermic (C) Catalytic (D) Autocatalytic

Last Answer : (B) Endothermic

The combustion reaction, C + O2 = CO2 , is (A) Exothermic (B) Endothermic (C) Autocatalytic (D) None of these

Description : The combustion reaction, C + O2 = CO2 , is (A) Exothermic (B) Endothermic (C) Autocatalytic (D) None of these

Last Answer : (A) Exothermic

The ammonia synthesis reaction represented by N2 + 3H2 ⇌ 2NH3; ΔH = - 22.4 kcal, is (A) Endothermic (B) Exothermic (C) Isothermal (D) Adiabatic

Description : The ammonia synthesis reaction represented by N2 + 3H2 ⇌ 2NH3; ΔH = - 22.4 kcal, is (A) Endothermic (B) Exothermic (C) Isothermal (D) Adiabatic

Last Answer : (B) Exothermic