In endothermic reactions the reactants :

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Answer :

In endothermic reactions the reactants : A. Have more energy than products B. Have as much energy ... products D. Have less enregy than the products

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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

Description : Assertion (A): May endothermic reactions that are not spontaneous at room temperature become spontaneous at high temperature. Reason (R ) : Entropy of

Last Answer : Assertion (A): May endothermic reactions that are not spontaneous at room temperature become spontaneous ... . If both Assertion & Reason are false.

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

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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.

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.

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

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

Description : Pick out the wrong statement. (A) Enthalpies of all elements in their standard states are assumed to be zero (B) Combustion reactions are never endothermic in nature (C) Heat of reaction ... to the change in internal energy (D) Clausius-Clapeyron equation is not applicable to melting process

Last Answer : (D) Clausius-Clapeyron equation is not applicable to melting process

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.

Description : Pick out the wrong statement. (A) In a batch reactor, which is exclusively used for liquid phase reactions; temperature pressure and composition may vary with time (B) In a semi-batch reactor, ... system (D) In a continuous flow reactor, both the reactants and the products flow out continuously

Last Answer : (C) In a continuous flow reactor, uniform concentration cannot be maintained throughout the vessel even in a well agitated system

Description : A batch reactor is suitable for (A) Achieving cent percent conversion of reactants into products (B) Large scale gaseous phase reactions (C) Liquid phase reactions (D) Obtaining uniform polymerisation products in highly exothermic reactions

Last Answer : (C) Liquid phase reactions

Description : Velocity of a chemical reaction (A) Decreases with increase in temperature (B) Increases with increase of pressure of reactants for all reactions (C) Decreases with increase of reactant concentration (D) None of these

Last Answer : (D) None of these

Description : Pick out the correct statement. (A) In catalytic reactions, the catalyst reacts with the reactants (B) A catalyst initiates a chemical reaction (C) A catalyst lowers the activation energy of ... molecules (D) A catalyst cannot be recovered chemically unchanged at the end of the chemical reaction

Last Answer : (C) A catalyst lowers the activation energy of the reacting molecules

Description : In autocatalytic reactions, (A) One of the reactants acts as a catalyst (B) One of the products acts as a catalyst (C) Catalysts have very high selectivity (D) No catalyst is used

Last Answer : (B) One of the products acts as a catalyst

Description : Organic molecules that increase the rate of metabolic reactions with themselveschangingareknown as A- coenzymes B- enzymes C- substrates D- .reactants

Last Answer : enzymes

Description : In protolytic reactions in which the reactants are much stronger as an acid and a base than the products, the proton transfer reaction: w) does not occur x) approaches completeness y) produces a much stronger acid and a much weaker base z) produces a much weaker acid and a much stronger base

Last Answer : ANSWER: X -- APPROACHES COMPLETENESS

Description : What is the difference between an endothermic and an ectothermic organism?

Last Answer : A: An endothermic organism is one that generates its own body heat and maintains a relatively constant body temperature, while an ectothermic organism relies on external sources of heat to regulate its body temperature.

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.

Description : Which of the following reaction is endothermic?

Last Answer : Which of the following reaction is endothermic? A. `CaCO_(3)(s)rarrCaO(s)+CO_(2)(g)` B. `Fe(s)+S(s)rarr FeS(s) ... D. `CH_(4)(g)+2O_(2)(g)+2H_(2)O(l)`

Description : Which of the following is an endothermic reaction?

Last Answer : Which of the following is an endothermic reaction? A. `2H_(2)(g)+O_(2)(g)rarr 2H_(2)O(l)` B. `N_(2)(g)+ ... 5)OH(aq)+3O_(2)(g)rarr 2CO_(2)+2H_(2)O(l)`

Description : At a certain temperature T, the endothermic reaction `A rarr B` proceeds almost to completion.The entropy change is :

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Description : The reaction `3O_(2(g)) rarr 2O_(3(g))` is endothermic. What can be concluded about the average per bond in `O_(2) and O_(3)` ?

Last Answer : The reaction `3O_(2(g)) rarr 2O_(3(g))` is endothermic. What can be concluded ... drawn about the average bond energies from this information alone

Description : The reaction `3O_(2(g)) rarr 2O_(3(g))` is endothermic. What can be concluded about the average per bond in `O_(2) and O_(3)` ?

Last Answer : The reaction `3O_(2(g)) rarr 2O_(3(g))` is endothermic. What can be concluded ... drawn about the average bond energies from this information alone

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

Last Answer : Need answer

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.

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

Last Answer : That would be an endothermic process.

Description : Is the Formation of a cation a endothermic process?

Last Answer : For an element to lose an electron, that electron must becomeexcited to the point it can escape the attractive force. Thisrequires a net energy input, making it endothermic.

Description : Is caramelizing sugar a endothermic or exothermic reaction?

Last Answer : This is an endothermic reaction.

Description : Is a squid a endothermic or ectothermic?

Last Answer : A squid is ectotherm. Any animal except birds and mammals areectotherms

Description : Is a Parrot endothermic or ectothermic?

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Description : Are solar panels endothermic?

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Description : What organisms are endothermic?

Last Answer : Feel Free to Answer

Description : Are squid endothermic or ecthermic?

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Description : Is cold pack exothermic or endothermic?

Last Answer : The process is endothermic.

Description : How do endothermic animals maintain body temperature?

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

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Description : Is cold pack exothermic or endothermic?

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Description : Are echinoderms endothermic?

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Description : Is acid rain an exothermic or endothermic reaction?

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

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

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

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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

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

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Description : What is an endothermic reaction?

Last Answer : A chemical reaction in which there is absorption of heat is called endothermic reaction. Ex: Dissolution of ammonium chloride, common salt and sugar in water, cooking of rice

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

Description : ENDOTHERMIC REACTION

Last Answer : ENDOTHERMIC REACTION: Reaction accompanied by absorption of eat are called Endothermic reaction. The reactants require heat to form products. Temperature of the solution falls.