Chemical reaction in which electric en-
ergy is either absorbed or released?

1 Answer

Answer :

Electro chemical reaction

Related questions

Description : Chemical reaction in which light energy is either absorbed or released?

Last Answer : Photochemical reaction

Description : What can be absorbed or released as the result if a chemical reaction?

Last Answer : Heat

Description : What can be absorbed or released as the result of a chemical reaction?

Last Answer : Energy.

Description : What happens when a chemical bond is formed? (1) energy is always absorbed (2) energy in always released (3) more energy is released than is absorbed (4) energy is neither released nor ... as potential energy. Upon the breaking of these bonds the energy is released thereby creating usable energy.

Last Answer : Silver nitrate solution is kept in brown bottles in laboratory because - (1) it reacts with ordinary white bottles (2) brown bottles stops the passage of light through it (3) brown bottles do not react with it (4) brown bottles react with it

Description : What happens when a chemical bond is formed ? (1) energy is always absorbed (2) energy in always released (3) more energy is released than is absorbed (4) energy is neither released nor absorbed 

Last Answer : energy is always absorbed

Description : Vitamin A absorbed in intestine is released into (A) Portal circulation (B) Lacteals (C) Both (A) and (B) (D) None of these

Last Answer : Answer : B

Description : Absorbed of water against a concentration gradient by using energy released from respiration is called as

Last Answer : Ans. Active absorption

Description : What refers to the amount of energy absorbed or released during a phase-change process?  A. Molar heat  B. Latent heat  C. Vaporization heat  D. Condensation heat

Last Answer : Latent heat

Description : Energy _____ in an Ecosystem. A. is released B. is absorbed C. flows D. None of the above

Last Answer : C. flows

Description : Energy _____ in an Ecosystem. A. is released B. is absorbed C. flows D. None of the above

Last Answer : C. flows

Description : What is the energy absorbed during chemical reaction under constant volume conditions?  A. Entropy  B. Ion exchange  C. Enthalpy  D. Enthalpy of reaction

Last Answer : Enthalpy

Description : The energy released at the end of digestion is in the form of: (1) electric energy (2) Kinetic energy (3) thermal energy (4) chemical energy

Last Answer : (4) chemical energy Explanation: Digestion of food involves both physical and chemical processes. During digestion the chemical energy in for released while the molecules of food are broken down into smaller pieces.

Description : The area under the temperatureentropy curve (T – s curve) of any thermodynamic process represents  A. heat absorbed  B. heat rejected  C. either (a) or (b)  D. none of these

Last Answer :  C. either (a) or (b)

Description : A catalyst in a chemical reaction __________ free energy change in the reaction. (A) Increases (B) Decreases (C) Either (A) or (B); depends on the type of catalyst (D) Neither (A) nor (B)

Last Answer : (C) Either (A) or (B); depends on the type of catalyst

Description : The rate of forward reaction, at chemical equilibrium is _________the rate of backward reaction. (A) More than (B) Less than (C) Equal to (D) Either (B) or (C)

Last Answer : (C) Equal to

Description : For the non catalytic reaction of particles with surrounding fluid, the same needed to achieve the same fractional conversion for particles of different unchanging sizes is proportional to the particle diameter, when the ... through ash layer (C) Chemical reaction (D) Either (A), (B) or (C)

Last Answer : (C) Chemical reaction

Description : Catalyst is a substance, which __________ chemical reaction. (A) Increases the speed of a (B) Decreases the speed of a (C) Can either increase or decrease the speed of a (D) Alters the value of equilibrium constant in a reversible

Last Answer : (C) Can either increase or decrease the speed of a

Description : For the non-catalytic reaction of particles with surrounding fluid, the time needed to achieve the same fractional conversion for particles of different but unchanging sizes is proportional to the square of particle diameter, ... through ash layer (C) Chemical reaction (D) Either (A), (B) or (C)

Last Answer : (B) Diffusion through ash layer

Description : The equilibrium constant of chemical reaction __________ in the presence of catalyst. (A) Increases (B) Decreases (C) Remain unaffected (D) Can either increase or decrease (depends on the type of catalyst)

Last Answer : (C) Remain unaffected

Description : Why is the electric current absorbed in the coil ?

Last Answer : Electromagnetic induction results in energy.

Description : Photoelectric electricity is produced directly from solar energy when which of the following are absorbed in a semiconductor to create an electric current? w) protons x) electrons y) neutrons z) photons

Last Answer : ANSWER: Z -- PHOTONS

Description : When chemical reactions occur energy is always absorbed?

Last Answer : No, chemical reactions can be endothermic or exothermic.

Description : n a chemical factory where dyes are made, wet cake at 30 OC consisting of 60% moisture  is put in a dryer to obtain an output having only 5% moisture, at atmospheric pressure. In  each batch about 120 ... dryer and the dryer efficiency  is 80%. Latent heat of steam at 4 kg/cm2 is 520 kcal/kg.

Last Answer : Given that   Qty of material dried per batch - 120 Kgs  Moisture at inlet - 60% a. The quantity of moisture removed per batch.  Water quantity in a wet batch - 120 x 0.6 = 72 Kgs.  Quantity of bone dry ... - 48/0.95 = 50.5 Kgs.  Equivalent water in a dry batch - 50.5 - 48 = 2.5 Kgs.

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 : 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

Description : Under what condition, the heat evolved or absorbed in a reaction is equal to its free energy change?

Last Answer : Ans. As ΔG = ΔH – TΔS. Thus, ΔG = ΔH only when either the reaction is carried out at 0^0 K or the reaction is not accompanied by any entropy change, i.e., ΔS = 0

Description : Under what condition, the heat evolved/absorbed in a reaction is equal to its free energy change?

Last Answer : Ans. In ∆G = ∆H – T. ∆S, when reaction is carried out at 0 K or ∆S = 0, then ∆G = ∆H.

Description : For a heterogeneous catalytic reaction, A + B → C, with equimole feed of A and B, the initial rate - rA0 is invariant with total pressure. The rate controlling step is (A) Surface Kc /(1 + TS ) ... A and absorbed B (C) Surface reaction between A in the gas phase and absorbed B (D) Desorption of C

Last Answer : (D) Desorption of C

Description : When the control handle is in the 'off' position, the solenoid actuated brake of the electric winch is _________. A. de-energized and the brake is released B. energized and the brake is released C. energized and the brake is set by a spring D. de-energized and the brake is set by a spring

Last Answer : Answer: D

Description : The process, whereby electrons gain sufficient energy to be released from the surface of a thin, heated metal plate, is known as _____________. A. photo electric emission B. secondary emission C. thermionic emission D. regressive emission

Last Answer : Answer: C

Description : Mahindra Electric has released ----electric vehicles in the Indian market up to 2020 a. 2 b. 4 c. 6 d. 8

Last Answer : Ans:- b.4

Description : The alloy used for making the parts of en- gines?

Last Answer : Silumin

Description : When an electric bulb breaks, there is a mild bang due to (a) the chemical reaction between the enclosed gases (b) the compressed gases rushing out suddenly (c) the air rushing in to fill the evacuated space (d) some other unknown reason

Last Answer : Ans:(c)

Description : Since crows are known to repay you with shiny trinkets for feeding them, would it not make sense to use them en masse to recover lost items?

Last Answer : But you could never be specific as to what you were looking for. Not the keys to a Ford. I need the keys to a Chevy you silly bird!

Description : In what context is it okay to assault other human beings, en masse?

Last Answer : Only cool in video games and fiction.

Description : In-thu-see-ast or en-thu-see-ist?

Last Answer : En…Pronounced “ehN” And your details could use clarification “I used to always use the former but have recently switched to the former”

Description : Have you ever un-friended coworkers en masse on Facebook?

Last Answer : answer:Highly recommended. I have made a point of not being friends with any of my co-workers. I've ignored friend requests and instead told people in person that I prefer not to share my online ... much information is available online, and I have yet to have someone be offended when I explain that.

Description : What do you think of this computer: http://www.dell.com/us/en/home/notebooks/inspiron-1012/pd.aspx?refid=inspiron-1012&s=dhs&cs=19&~oid=us~en~29~laptop-inspiron-10_anav1~~?

Last Answer : There are a lot of netbooks on the market with similar specs. Read the reviews and buy by price. Try looking at the Asus EEE Netbooks on Amazon or Newegg.com, and reading the customer reviews. Dell is not the paragon that it once was, although things change and it may come back.

Description : Why does it take a major disaster to motivate us, en masse, to help our fellow man?

Last Answer : To be honest I kind of don't care, but least I can say it. Not to mention I should not have to pick up after other people if you will, and when I do say something unless I have a lot of money, ... about 2:30 in the video. Sums up how I feel to a degree. http://www.youtube.com/watch?v=BNbA5GnDKRc

Description : Spanish translation, please? - "Descubrimos vos y yo en el triste carnaval una musica brutal melodias de dolor?

Last Answer : And I discovered you in the sad carnival a brutal music ringtones pain. apparently, a curse has been placed on your mother.

Description : Any useful tips for camping en route on the Lycian Way?

Last Answer : Bring camping gear. ;-) Specifically, what kind of information are you looking for?

Description : Who owns Carrack Looz en Cooz?

Last Answer : The St. Aubyn family.

Description : Probanova en dias fertiles?

Last Answer : Need Answer

Description : A wealthy wise old woman feared that her daughter was lazy and as a result rather stupid. When the old woman died, her will stipulated that her assets were to be liquidated and a check was to be ... only one envelope had a true statement and that the other two statements were false. The en -Riddles

Last Answer : The daughter should pick envelope 1. Unfortunately she picked envelope 3. Statements 1 and 2 were false, and the only true statement was statement 3. If the check was in envelope 1, that would make statement 1 ... both be true. If the check was in envelope 3, statements 1 and 3 would both be true.

Description : For the complex [Fe(en)2Cl2], Cl, (en = ethylene diamine), identify (i) the oxidation number of iron, (ii) the hybrid orbitals and the shape of the complex, (iii) the magnetic behaviour of the complex, (iv) ... an optical isomer also, and (vi) name of the complex. (At. no. of Fe = 26) \ -Chemistry

Last Answer : i) [Fe(en)2Cl2] Cl or x + 0 + 2 (-1) + (-1) = 0 x + (- 3) = 0 or x = + 3 ∴ Oxidation number of iron, x = + 3 (ii) The complex has two bidentate ligands and two ... )2Cl2] Cl, only cis-isomer shows optical isomerism. (vi) Name of complex: Dichloridobis (ethane-1, 2- diamine) Iron (III) chloride

Description : (i) Write down the IUPAC name of the following complex : [Cr(NH3)2CI3(en)]Cl (en = ethylenediamine) (ii) Write the formula for the following complex : Pentaamminenitrito-o-Cobalt (III) -Chemistry

Last Answer : (I) [Cr(NH3)2Cl3(en)]Cl IUPAC name : Diammine dichlorido ethylenediamine chromium (III) chloride. (ii) [Co(NH3)5(ONO)]2+

Description : Name the following coordination compounds according to IUPAC system of nomenclature :(i) [Co(NH3)4 (H2O)Cl]Cl2 (ii) [CrCl2(en)2]Cl, (en = ethane – 1, 2 – diamine) -Chemistry

Last Answer : (i) [CO(NH3)4 (H2O)Cl]Cl2 Tetraammine aquachlorido cobalt (III) chloride (ii) [CrCl2(en)2]Cl Dichlorobis (ethane-1, 2-diamine) chromium (III) chloride

Description : CoCl2(en)2]+: Dichloridobis(ethylenediamine)Cobalt(III)ion. -Chemistry

Last Answer : Tetra amminechloridonitro cobalt (III) ion.

Description : Write IUPAC name of the complex: [CoCl2(en)2]+ -Chemistry

Last Answer : CoCl2(en)2]+: Dichloridobis(ethylenediamine)Cobalt(III)ion.

Description : Which of the following is more stable complex and why? [Co(NH3)6]3+ and [Co(en)3]3+ -Chemistry

Last Answer : Co(en)3]3+ is more stable complex than [CO(NH3)6]3+ because of chelate effect.