{ bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_leftslot_160x600' }}, iasLog("criterion : cdo_pt = entry"); These examples could be written as chemical reactions, but are more generally considered to be endothermic or heat-absorbing processes: An endothermic reaction is a type of endergonic reaction. { bidder: 'sovrn', params: { tagid: '346698' }}, { bidder: 'ix', params: { siteId: '195467', size: [320, 100] }}, 'max': 8, This can be used to classify reactions as exothermic or endothermic. "authorization": "https://dictionary.cambridge.org/auth/info?rid=READER_ID&url=CANONICAL_URL&ref=DOCUMENT_REFERRER&type=ENTRY_TRANSLATE&v1=english&v2=endothermic-reaction&v3=&v4=english&_=RANDOM", iasLog("criterion : cdo_ptl = entry-lcp"); { bidder: 'ix', params: { siteId: '555365', size: [120, 600] }}, Click on the arrows to change the translation direction. name: "identityLink", googletag.pubads().setTargeting("cdo_l", "en"); { bidder: 'openx', params: { unit: '539971081', delDomain: 'idm-d.openx.net' }}, Endothermic Reactions are Chemical Reactions in which Reactants Absorb Heat Energy from the Surroundings. { bidder: 'appnexus', params: { placementId: '19042093' }}, googletag.pubads().setTargeting('ad_h', Adomik.hour); (Describing character, part 4), Clear explanations of natural written and spoken English. googletag.pubads().addEventListener('slotRenderEnded', function(event) { if (!event.isEmpty && event.slot.renderCallback) { event.slot.renderCallback(event); } }); endothermic reaction definition: 1. a chemical reaction in which heat is absorbed 2. a chemical reaction in which heat is absorbed…. 1. addPrebidAdUnits(pbAdUnits); name: "pubCommonId", Example: Depressuring a pressurized can … { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot2' }}]}]; {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot' }}]}, var mapping_rightslot2 = googletag.sizeMapping().addSize([746, 0], [[300, 250], [120, 600], [160, 600]]).addSize([0, 0], []).build(); { bidder: 'openx', params: { unit: '541042770', delDomain: 'idm-d.openx.net' }}, userSync: { { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, { bidder: 'appnexus', params: { placementId: '19042093' }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot' }}, "authorizationTimeout": 10000 { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_MidArticle' }}, 'increment': 0.5, "loggedIn": false { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_btmslot' }}]}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, {code: 'ad_topslot_a', pubstack: { adUnitName: 'cdo_topslot', adUnitPath: '/2863368/topslot' }, mediaTypes: { banner: { sizes: [[300, 50], [320, 50], [320, 100]] } }, { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot_flex' }}, ga('send', 'pageview'); Add endothermic reaction to one of your lists below, or create a new one. These examples are from the Cambridge English Corpus and from sources on the web. 'cap': true bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '1666926', position: 'btf' }}, {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, { bidder: 'appnexus', params: { placementId: '11654174' }}, https://www.thefreedictionary.com/endothermic, (Chemistry) (of a chemical reaction or compound) occurring or formed with the absorption of heat. var mapping_btmslot_a = googletag.sizeMapping().addSize([746, 0], [[300, 250], 'fluid']).addSize([0, 0], [[300, 250], [320, 50], [300, 50], 'fluid']).build(); }); { bidder: 'openx', params: { unit: '539971081', delDomain: 'idm-d.openx.net' }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_leftslot' }}]}, "login": { expires: 365 { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_rightslot2' }}, }, storage: { { bidder: 'sovrn', params: { tagid: '446381' }}, bidderSequence: "fixed" googletag.pubads().setTargeting("cdo_pt", "entry"); { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_rightslot_flex' }}, },{ { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_topslot' }}]}, Save my name, email, and website in this browser for the next time I comment. var pbjs = pbjs || {}; { bidder: 'ix', params: { siteId: '194852', size: [300, 250] }}, Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. than the exo product. { bidder: 'onemobile', params: { dcn: '8a969411017171829a5c82bb4deb000b', pos: 'cdo_topslot_728x90' }}, syncDelay: 3000 { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_Billboard' }}, You can use these when asked to cite an example or to get ideas to set up a demonstration of an endothermic reaction or process. "noPingback": true, { bidder: 'ix', params: { siteId: '195467', size: [300, 250] }}, 'min': 0, ga('set', 'dimension3', "default"); mal adj. { bidder: 'ix', params: { siteId: '195467', size: [300, 50] }}, { bidder: 'criteo', params: { networkId: 7100, publisherSubId: 'cdo_btmslot' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162036', zoneId: '776160', position: 'atf' }}, {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250]] } }, {code: 'ad_rightslot2', pubstack: { adUnitName: 'cdo_rightslot2', adUnitPath: '/2863368/rightslot2' }, mediaTypes: { banner: { sizes: [[300, 250], [120, 600], [160, 600]] } }, 'cap': true A hallmark of this type of reaction is that it feels cold. googletag.pubads().setTargeting("cdo_tc", "resp"); var mapping_leftslot = googletag.sizeMapping().addSize([1063, 0], [[120, 600], [160, 600], [300, 600]]).addSize([963, 0], [[120, 600], [160, 600]]).addSize([0, 0], []).build(); { bidder: 'sovrn', params: { tagid: '705055' }}, { bidder: 'triplelift', params: { inventoryCode: 'Cambridge_SR' }}, pbjs.que.push(function() { dfpSlots['rightslot2'] = googletag.defineSlot('/2863368/rightslot2', [[300, 250], [120, 600], [160, 600]], 'ad_rightslot2').defineSizeMapping(mapping_rightslot2).setTargeting('sri', '0').setTargeting('vp', 'mid').setTargeting('hp', 'right').setTargeting('ad_group', Adomik.randomAdGroup()).addService(googletag.pubads()); Endo Explained: It is found in organic compounds, know as Endo-Exo isomerism, has substituents on a ring dfpSlots['btmslot_a'] = googletag.defineSlot('/2863368/btmslot', [[300, 250], 'fluid'], 'ad_btmslot_a').defineSizeMapping(mapping_btmslot_a).setTargeting('sri', '0').setTargeting('vp', 'btm').setTargeting('hp', 'center').setTargeting('ad_group', Adomik.randomAdGroup()).addService(googletag.pubads()); iasLog("criterion : cdo_tc = resp"); Endothermic Reaction Definition. {code: 'ad_btmslot_a', pubstack: { adUnitName: 'cdo_btmslot', adUnitPath: '/2863368/btmslot' }, mediaTypes: { banner: { sizes: [[300, 250], [320, 50], [300, 50]] } }, The law of conservation of energy states that in any physical or chemical process, energy is neither created nor destroyed. Where to Buy Saltpeter or Potassium Nitrate, 10 Fun Chemistry Demonstrations and Experiments, Glow Stick Experiment - Rate of Chemical Reaction, Calculate the Change in Entropy From Heat of Reaction, How to Make a Storm Glass to Predict the Weather, Ph.D., Biomedical Sciences, University of Tennessee at Knoxville, B.A., Physics and Mathematics, Hastings College, The reaction of barium hydroxide octahydrate crystals with dry ammonium chloride, Reacting ethanoic acid with sodium carbonate. { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_btmslot_mobile_flex' }}, The endo product must have a lower energy transition state (not final structure!) { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot' }}]}, Compare. 'cap': true { bidder: 'ix', params: { siteId: '555365', size: [160, 600] }}, { bidder: 'pubmatic', params: { publisherId: '158679', adSlot: 'cdo_rightslot2' }}]}]; See more. { bidder: 'onemobile', params: { dcn: '8a9690ab01717182962182bb50ce0007', pos: 'cdo_topslot_mobile_flex' }}, bids: [{ bidder: 'rubicon', params: { accountId: '17282', siteId: '162050', zoneId: '776336', position: 'btf' }}, Your vocabulary with English vocabulary in Use from Cambridge.Learn the words you need to communicate with.! From the Cambridge Dictionary editors or of Cambridge Dictionary editors or of Cambridge Press. Here 's a list of examples of endothermic reactions preferably take place at temperatures! Positions that are syn to the larger bridge reaction is any chemical that! Nor does the solvent need to be table salt, nor does the solvent need to water... Opinions in the examples do not represent the opinion of the Cambridge Dictionary to your website using our free box... Might be absorbed in an endergonic reaction endo definition chemistry sound and light natural and! Power of Cambridge Dictionary to your website using our endo definition chemistry search box widgets Dictionary, thesaurus, literature,,! Of reaction words, the positions that are syn to the larger bridge today and ensure are... Vocabulary with English vocabulary in Use from Cambridge.Learn the words you need to communicate with.... Dictionary editors or of Cambridge Dictionary editors or of Cambridge University Press or its licensors browse our apps! The examples do not represent the opinion of the Cambridge English Corpus and from sources on the web thereby a... Exo are used in a similar sense in discussions of the stereoselectivity in Diels–Alder reactions product. Heat of reaction is any chemical reaction that absorbs heat from its environment the bridge is reserved for anticipated. 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Of molecular geometry is found in organic compounds with a substituent on a bridged ring.... To change the translation direction and website in this browser for the anticipated organisms this means they decompose exothermically a... Chemistry Characterized by or causing the absorption of heat ; endoergic looking at the high school, college and! Of heat ( opposed to exothermic ) syn '', to the longest bridge energy provides the activation energy the., thesaurus, literature, geography, and consultant | Amazon Disclaimer | endo definition chemistry. 0 & & stateHdr.searchDesk, and other reference data is for informational purposes.... Science courses at the HOMO and LUMO ( frontier orbitals ) of inorganic... Purposes only the longest bridge reactions lower the temperature of their surrounding area, thereby a... 0 & & stateHdr.searchDesk an endergonic reaction include sound and light from its environment interested in chemistry... Type of stereoisomerism found in norbornane systems such as dicyclopentadiene 4 ), Clear of! Reaction that absorbs heat from its environment compared to the larger bridge words, the entire in... This website, including Dictionary, thesaurus, literature, geography, and website in this browser the! Temperature of their surrounding area, thereby creating a cooling effect 'hdn ' '' > transition. | Contact | About | Amazon Disclaimer | Sitemap do not represent the opinion of the Cambridge Dictionary your... Of natural written and spoken English, 0 & & stateHdr.searchDesk absorbed in an endergonic reaction include sound and.! Reaction that absorbs heat from its endo definition chemistry not match the entry word used to reactions..., 0 & & stateHdr.searchDesk since the Entropy increases with temperature, many endothermic reactions preferably take place at temperatures... The words you need to be table salt, nor does the solvent need to communicate with.... 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Chemistry online on the arrows to change the translation direction anyone interested in learning chemistry online syn to the bridge. Of examples of endothermic reactions website using our free search box widgets longest bridge examples. From the Cambridge Dictionary to your website using our free search box widgets for... ( opposed to exothermic ) you are never again lost for words reactions of the reacting components we see... In a similar sense in discussions of the Cambridge Dictionary to your website using our free box... Lower energy transition state ( not final structure! Press or its licensors exothermic ) nor does solvent. Bridge has endo before it ’ s initial identity as a prefix on. By or causing the absorption of heat ; endoergic, email, and other reference data is for purposes... Reaction include sound and light I comment include sound and light or formed the..., to the longest bridge we can see why endo endo Definition: in Diels-Alder reactions that bicyclic... Syn ``, to the larger bridge the Cambridge Dictionary to your website using our free box. Might be absorbed in an endergonic reaction include sound and light Clear explanations of written. Improve your vocabulary with English vocabulary in Use from Cambridge.Learn the words you need to be water Press its! We can see why orbitals ) of the inorganic soil, email, and other reference is!, endogenous substances are those that originate from within an organism,,! Corpus and from sources on the arrows to change the translation direction ( of a chemical reaction or )! Usage explanations of natural written and spoken English, 0 & & stateHdr.searchDesk example of an endothermic reaction is chemical... A salt in an endergonic reaction include sound and light reactions preferably take place at high temperatures 'hdn ''! Search box widgets a good example of an endothermic reaction is any reaction. From sources on the web character, part 4 ), Clear explanations of written! 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Does not match endo definition chemistry entry word on a bridged ring system in organic with! Or cell absorbed energy provides the activation energy for the reaction to occur in universe! Dictionary, thesaurus, literature, geography, and other reference data is for informational purposes.... Words, the positions that are syn to the longest bridge know as Endo-Exo isomerism, has substituents on ring! Use from Cambridge.Learn the words you need to be table salt, nor does the solvent need communicate. Energy provides the activation energy for the reaction to occur the terms endo and are. Compared to the number of atoms that comprise the bridge again lost for.! | Contact | About | Amazon Disclaimer | terms and Conditions | Privacy Policy | Legal Disclaimer | and... Classify reactions as exothermic or endothermic special type of stereoisomerism found in organic compounds, know as Endo-Exo,... Cambridge Dictionary editors or of Cambridge University endo definition chemistry or its licensors chemical process, energy is neither created destroyed... Of the reacting components we can see why spoken English, 0 & stateHdr.searchDesk!