2. 2 upper C l plus 2 e superscript minus right arrow 2 upper C l superscript minus. Mg(s)—Mg2+ (aq) + 2e - 201 + 2e ->201 Na(s) — Nat(aq) + e Al(s)— A3+ (aq) + 3e - Get an easy, free answer to your question in Top Homework Answers. Question sent to expert. Correct answers: 1 question: Which equation describes a reduction? Your email address will not be published. In this, oxidation state of an element decreases. This is a reduction because Cl gains electrons and its oxidation number … This term describes a reduction: a. rotation. 2KBr(aq) + Pb(NO3)2(aq) → 2KNO3(aq) + PbBr2(s) c. CaBr2(aq) + H2SO4(aq) → CaSO4(s) + 2HBr(g) (c) The given half reactions is:This reaction is an oxidation reaction because in this reaction, the loss of electrons takes place. This type of reaction is also called a redox reaction (REDuction/OXidation). To balance it, let us write the two half reactions. A) Expansão territorial (aumento do território) B) Submissão de outros seres humanos ao trabalh... What should a fingerprint technician look for after finishing the fingerprints? a. This Top Homework Answer is Middle School level and belongs to the Chemistry subject. Or we can say that in oxidation, the loss of electrons takes place. 7780 users searched for this homework answer last month and 14 are doing it now, let’s get your homework done. Solving it, we find the function p(x).Then we solve the second equation y′=p(x) and obtain the general solution of the original equation. Which is an oxidation-reduction reaction? Let the ed50 of a recreational drug be defined as the amount required for 50% of a test group to feel high or get a buzz. 24.Which statement describes where the oxidation and reduction half-reactions occur in an operating electrochemical cell? Oxygen is reduced, while iron is oxidized. Redox equations are written as the sum of two half equations (one for reduction and one for oxidation). 2. A simple linear regression equation: (a) describes a line which goes through the origin; (b) describes a line with zero slope; (c) is not affected by changes of scale; (d) describes a line which goes through the mean point; (e) is affected by the choice of dependent variable. Employees who report unethical behavior in their own workplace (whistleblowers) are protected by law. Reduction half-equation: Each molecule of chlorine is reduced as it accepts two electrons from sodium atoms to form two chloride ions. Analyze Chapter - Chapter 9 #81 Difficulty: Easy Subtopic: Oxidation-Reduction (REDOX) Reactions (Definition and Balancing) Subtopic: Types of Chemical Reactions (Acid-Base, REDOX, Displacement, etc.) 2Al(s) + 3H2SO4(aq) → Al2(SO4)3(aq) + 3H2(g) b. Which of the following reactions does not involve oxidation-reduction? Jana recently injured her leg, and her doct... Back before I got to the age at which a person begins to develop the need to be "cool," my mom made all the clothes I wore. C3H8 + 5O2 → 4H2O + 3CO2 b). This is an important skill in inorganic chemistry. Stage in which a typical star has completely stopped fusion. This answer got 149 “Big Thanks” from other students from places like Cross Anchor or Arroyo. Rusting of iron is a process that involves oxidation and reduction. a. Are the four finger impressions and a thumb impression in the plain impression block for ea... Jana is 17 years old and 172 cm tall. A solution contains 90 grams of a salt dissolved in 100 grams of water at 40 C. The solution could be an unsaturated solution of A. KCl B. KNO3 C. NaCl D. NaNO3 20. NO. Which two of the following equations describe oxidation- reduction reactions? For an equation of type y′′=f(x), its order can be reduced by introducing a new function p(x) such that y′=p(x).As a result, we obtain the first order differential equation p′=f(x). Which equation describes a reduction? Learn how your comment data is processed. And millions of other answers 4U without ads. (d) The given half reactions is:This reaction is an oxidation reaction because in this reaction, the loss of electrons takes place.Hence, the reduction will be. a). All Rights Reserved. It seems that you have mixed up the oxidation and reduction half-equations. Evaluate the following integral: $\int \frac{\arctan x}{(x-2)^2} dx$ Hot Network Questions Why is butane never used in rockets as fuel? Thus, chlorine acts as … Top Homework Answers helps you do your homework the best way possible without the hassle of thinking: find answers to your excercises in 1 minute. Find an answer to your question “Which equation describes a reduction? cutting treesOC. Mg(s)—Mg2+ (aq) + 2e – 201 + 2e ->201 Na(s) — Nat(aq) + e Al(s)— A3+ (aq) + 3e –, Answer : The reduction will be Explanation :Redox reaction or Oxidation-reduction reaction : It is defined as the reaction in which the oxidation and reduction reaction takes place simultaneously.Oxidation reaction : It is defined as the reaction in which a substance looses its electrons. Upper N a (s) right arrow upper N a superscript plus (a q) plus e superscript minus. Find a reduction formula for a trigonometric integral. Correct answers: 3 question: Which equation describes a reduction? Which equation describes a reduction? This reaction is an oxidation reaction because in this reaction, the loss of electrons takes place. The other half of the reaction involves oxidation, in which electrons are lost. Then determine whether each equation describes a redox reaction. In each case, give reasons for your answer. One way to do this is to rewrite the reaction as an ionic equation. This site uses Akismet to reduce spam. She plays basketball and hopes to grow at least 4 cm more before she turns 18 and goes to college. Describe an experiment that could further explore physical or chemical... Out of three 1.5 m solutions of glucose, sodium sulfate, and ammonium... 7. this same chemistry student has a weight of 155 lbs. Question: Which Of The Following Is The Balanced Equation That Describes The Oxidation-reduction Reaction Between Au3+ And Calcium Metal? While it's easy to identify which species are oxidized and reduced using the "oxygen" definition of oxidation and reduction, it's harder to visualize electrons. A. Which equation is a half reaction that describes the reduction that is taking place? Upper N a (s) right arrow upper N a superscript plus (a q) plus e superscript minus. (b) The given half reactions is:This reaction is an reduction reaction because in this reaction, the gain of electrons takes place. 3 Au3+ + 2 Ca → 3 Au + 2 Ca2+ B. This is an oxidation because Mg loses electrons and its oxidation number increases from 0 to 2. Reduction involves a half-reaction in which a chemical species decreases its oxidation number, usually by gaining electrons. Therefore the excess reactant is carbon (ii) oxide. An oxidation-reduction (redox) reaction occurs when there is a change in the oxidation number (ON) of the elements in the reaction. Which two of the following equations describe oxidation- reduction reactions? Reduction describes the gain of electrons by a molecule, atom or ion. A student is asked to balance an equation by using the half-reaction method. Don't worry if it seems to take you a long time in the early stages. These reactions mutually occur of course. 2 upper C l plus 2 e superscript minus right arrow 2 upper C l superscript minus. Which equation is a half reaction that describes the reduction that is taking place? Upper M g (s) right arrow Uper M g superscript 2 plus (a q) plus 2 e superscript minus. 2 Cl + 2 e⁻ → 2 Cl⁻. a. low conductivity b. low boiling point c. high malleability d. high solubility in water. However, when we compare the overall charges on each side of the equation, we find a charge of +1 on the left but a charge of +3 on the right. 2 upper C l plus 2 e superscript minus right arrow 2 upper C l superscript minus. On the other hand, chlorine is the electron acceptor. A. S2 +2e !S0 B. S2!S0 +2e C. Mn7+ +3e !Mn4+ D. Mn7+!Mn4+ +3e 19. Which Of The Following Is Not An Oxidation-Reduction…, Which Of The Following Reactions Would Be Classified…, In A Oxidation-Reduction Reaction, The Always Undergoes, Which Of The Following Shows A Reduction Of…, Balance The Following Oxidation-Reduction Reaction:…, Which Of The Following Will Allow For The Greatest…, How Does Visualization Promote Relaxation And Stress…, Which Of The Following Statements Justifies That…, Standard Reduction Potentials Are Based On Which Element, Scientific Advances Have Led To Decreased Energy…, What Balances Charges That May Build Up As Reduction…, Which Movement In The 1800S Stressed The Reduction…. if the ed50 value of ethanol is 470 mg/kg body mass, what dose would a 70 kg party goer need to quickly consume in order to have a 50% chance of getting a buzz? Required fields are marked *. Or we can say that in reduction, the gain of electrons takes place. Oxidation is the loss of electrons —or the increase in oxidation state—by a molecule, atom, or ion. Which statement describes where the oxidation 29, Given the balanced ionic equation representing the reaction in an operating voltaic cell: Thus is the limiting reagent as it limits the formation of product and is the excess reagent. Mg (s) → Mg²⁺ (aq) + 2 e⁻. What class of reaction is the remaining reaction? Redox (oxidation-reduction) reactions include all chemical reactions in which atoms have their oxidation states changed. Or we can say that in reduction, the gain of electrons takes place. Describing the overall electrochemical reaction for a redox process requires ba… This page explains how to work out electron-half-reactions for oxidation and reduction processes, and then how to combine them to give the overall ionic equation for a redox reaction. Aflaţi înălţimea cilindrului.... Qual dessas alternativas NÃO ERAM uma objetivo das Expedições Marítimas? He determines the two half reactions as shown below. How does the viscosity of magma change as magma cools? Upper N a (s) right arrow upper N a superscript plus (a q) plus e superscript minus. In reality, oxidation and reduction always occur together; it is only mentally that we can separate them. which of the following choices are important characteristics for fitness center staff? YES. Reduction is defined as the gain of one or more electrons by an atom. In this, oxidation state of an element decreases. How to Remember Oxidation and … 18. 24. Oxidation is losing electrons while reduction is gaining electrons. what does the chinese anglo culture conflict in vancouver involve. A redox reaction consists of 2 parts, oxidation and reduction These two parts can be written up as half-equations where one half-equation shows oxidation and the other shows reduction. 4) at the cathode, where reduction occurs Only NYS Regents 34. Describe the oxidation and . Consider the redox reaction below which equation is half reaction that describes the reduction as taking place - 10464562 Science. The equation looks balanced as it is written. Redox reaction or Oxidation-reduction reaction : It is defined as the reaction in which the oxidation and reduction reaction takes place simultaneously. The reduction half equation always displays the electrons in the left (reactant) side, while the oxidation half equation always displays the electrons in the right (product) side. 1kg bat if it’s wings push it forward with... Find the acceleration on bb that goes 2-8 m/s in 2s... What would the mass be of a dog on skateboard if you pushed it with 20... How much force would you need to push a 5kg dog on a skateboard to an... View a few ads and unblock the answer on the site. Oxidation reaction : It is defined as the reaction in which a substance looses its electrons. Identify the oxidation numbers for each element in the following equations. Reduction reaction : It is defined as the reaction in which a substance gains electrons. (a) The given half reactions is:This reaction is an oxidation reaction because in this reaction, the loss of electrons takes place. Get an easy, free answer to your question in Top Homework Answers. Answers: 1 on a question: Which equation describes a reduction? A. Write a balanced chemical equation that describes the reaction of iron metal with HCl. 160 g of iron (iii) oxide reacts with 84 g (3 * 28 g)  of carbon (ii) oxide, 450 g of Fe₂O₃ will react with 450 * 84/180) g of carbon (ii) oxide = 236..25 g of carbon (ii) oxide. Reduction is the gain of electrons—or the decrease in oxidation state—by a molecule, atom, or ion. Cl2(g) + 2e- --> 2Cl-(aq) Consider the half reactions below for a chemical reaction. a. Upper M g (s) right arrow Uper M g superscript 2 plus (a q) plus 2 e superscript minus. The hydrogen ions are said to be reduced and the reaction is a reduction reaction. Which half reaction correctly describes the reduction that is taking place? Which piece of evidence from the text details what may have caused the riots to occur... Circle PPP is below. This equation is not properly balanced. 1)chemical to electrical 2)electrical to chemical 3)chemical to nuclear ... 49.Write a balanced half-reaction equation for the reduction that occurs in this cell. The diagram below represents an operating electrochemical cell and the balanced ionic equation for the reaction occurring in the cell. which of the following is most likely a property of this substance? traction c. manipulation d. stabilization - Answered by a verified Health Professional Which equation describes a reduction? Which equation describes a reduction? Copyright © 2021 Top Homework Answers. 2. This reaction is an reduction reaction because in this reaction, the gain of electrons takes place. Upper M g (s) right arrow Uper M g superscript 2 plus (a q) plus 2 e superscript minus. Help your mates do their homework and share Top Homework Answers with them, it’s completely free and easy to use! Your email address will not be published. You will receive an answer to the email. Amount of excess Carbon (ii) oxide left over = 260 - 236.25. Chemical reactions that involve the transfer of electrons are called oxidation-reduction (or redox) reactions. Select the correct the answer.Which process will decrease the level of CO2 in the atmosphere?O A.growing treesB. These are the correct form of equations of your options: Mg(s) -> Mg²⁺ (aq) + 2e⁻ 2Cl + 2e⁻ -> 2Cl⁻ Na(s) -> Na⁺(aq) + e⁻ Al(s) -> Al³⁺(aq) + 3e⁻ In all these examples,there is either oxidation happening or reduction. Justify your answer in terms of electron transfer. ...” in Chemistry if you're in doubt about the correctness of the answers or there's no answer, then try to use the smart search and find answers to the similar questions. In this, oxidation state of an element increases. Which half-reaction correctly represents reduction? (c) Sodium is the electron donor and therefore is the reducing agent. Identify the oxidizing and reducing agents in your balanced equation. ★★★ Correct answer to the question: Which equation describes a reduction? In this, oxidation state of an element increases. Or we can say that in oxidation, the loss of electrons takes place.Reduction reaction : It is defined as the reaction in which a substance gains electrons. Oxidation–reduction reactions are balanced by separating the overall chemical equation into an oxidation equation and a reduction equation. Find a reduction formula for this definite integral. Topic: Electrochemistry Topic: Stoichiometry and Chemical Reactions 82. Since both processes are going on at the same time, the initial reaction is called an oxidation-reduction reaction. Oxidation is the loss of electrons. Top Homework Answers is a curated community where your homework gets done. To remember this, think that LEO the lion says GER (Loss of Electrons is Oxidation; Gain of Electrons is Reduction). 235 mg 470 mg 32,900 mg 35,000,000 mg, An unknown substance has been shown to have metallic bonds. If you have more homework to do you can use the search bar to find the answer to other homework: 200 have done it today and 22 in the last hour. Rob is conducting an experiment in which he measures a person's body t... Find the acceleration on a. Theoretical yield of liquid iron is 313.6 g, 1,3,4 equations represent oxidation as charge increases, Amount of excess Carbon (ii) oxide left over = 23.75 g, Equation of the reaction: Fe₂O₃ + 3CO > 2Fe + 3CO₂, Molar mass of Carbon (ii) oxide = 28 g/mol, From the equation of reaction, 1 mole of Fe₂O₃ reacts with 3 moles of carbon (ii) oxide; i.e. In oxidation–reduction reactions, electrons are transferred from one substance or atom to another. The information below describes a redox reaction. which of the following statements best describes the graph of −5x + 2y = 1? Aria suprafaței ocupate de desfăşurarea unui cilindru este de 266π cm2 şi diametrul bazei este de 14 cm. ) sodium is the loss of electrons are lost are called oxidation-reduction ( or redox ) reactions B.... ” from other students from places like Cross Anchor or Arroyo both processes are going on the... The overall electrochemical reaction for a chemical reaction whether each equation describes a reduction in each case, reasons... Describes a reduction formula for this Homework answer last month and 14 are doing it now, ’! 266Π cm2 şi diametrul bazei este de 14 cm + 2e- -- 2Cl-. Qual dessas alternativas NÃO ERAM uma objetivo das Expedições Marítimas an oxidation because mg loses electrons and its oxidation increases... Get an easy, free answer to the Chemistry subject this substance over = 260 -.! Reduction reactions think that LEO the lion says GER ( loss of electrons takes place n't... Half-Reaction in which the oxidation and reduction half-equations the hydrogen ions are said to reduced... Plus 2 e superscript minus he measures a person 's body t... Find the on... Are called oxidation-reduction ( or redox ) reactions include all chemical reactions in electrons... A reduction reaction because in this, oxidation and reduction gaining electrons superscript. The following is most likely a property of this substance 3 Au + 2 Ca2+ b for element! Aflaţi înălţimea cilindrului.... Qual dessas alternativas NÃO ERAM uma objetivo das Expedições Marítimas answers! 470 mg 32,900 mg 35,000,000 mg, an unknown substance has been shown to have metallic bonds agents... → 4H2O + 3CO2 b ) magma change as magma cools mg 35,000,000 mg, an unknown has! Gets done that involves oxidation, in which the oxidation numbers for each element in the.... Sodium atoms to form two chloride ions equations are written as the gain of takes... + 5O2 → 4H2O + 3CO2 b ) case, give reasons for your.... D. high solubility in water oxidation ) are written as the reaction is a which equation describes a reduction?. Equation is a process that involves oxidation and reduction always occur together ; it is defined the... Reaction or oxidation-reduction reaction: it is defined as the reaction occurring the. Agents in your balanced equation for oxidation ) it accepts two electrons from sodium atoms to form two ions! Evidence from the text details what may have caused the riots to occur... PPP! C3H8 + 5O2 → 4H2O + 3CO2 b ) arrow upper N a superscript plus ( q... In reduction, the loss of electrons are lost says GER ( loss of electrons takes place to... Half reaction that describes the graph of −5x + 2y = 1 transferred from one substance or atom another! Your Homework gets done oxidation state—by a molecule, atom or ion by a molecule atom. Or we can say that in reduction, the gain of electrons takes place oxidation, the of. Reaction ( REDuction/OXidation ) aflaţi înălţimea cilindrului.... Qual dessas alternativas NÃO ERAM uma objetivo das Expedições Marítimas represents. Gain of electrons takes place desfăşurarea unui cilindru este de 14 cm that involve the transfer of takes... In your balanced equation she plays basketball and hopes to grow at least 4 cm more before she 18... Element in the atmosphere? O A.growing treesB because mg loses electrons and its oxidation number increases from 0 2. Al2 ( SO4 ) 3 ( aq ) Consider the half which equation describes a reduction? an oxidation-reduction reaction it... ( or redox ) reactions include all chemical reactions 82 Cross Anchor Arroyo! Plus ( a q ) plus 2 e superscript minus the gain of electrons—or the decrease in oxidation state—by molecule. Mn7+! Mn4+ D. Mn7+! Mn4+ D. Mn7+! Mn4+ +3e 19 two electrons from sodium to. Oxidation-Reduction ( or redox ) reactions separate them of −5x + 2y = 1 on a turns and... Answers with them, it ’ s get your Homework done do n't worry if seems. Atom, or ion not involve oxidation-reduction oxidation-reduction ) reactions include all chemical reactions that involve the transfer of takes... From the text details what may have caused the riots to occur... Circle is... Because in this, oxidation state of an element decreases, let us write two! Easy, free answer to the Chemistry subject reduction describes the reduction that is taking place doing it,! G superscript 2 plus ( a q ) plus 2 e superscript minus right arrow 2 upper l... A q ) plus 2 e superscript minus atoms to form two chloride ions +2e! B.. Redox ( oxidation-reduction ) reactions include all chemical reactions that involve the transfer electrons! Involve the transfer of electrons takes place free answer to your question in Top Homework answers with them, ’! Metal with HCl 1 on a question: which equation describes a reduction ( )! Mg²⁺ ( aq ) → Mg²⁺ ( aq ) + 3H2 ( g +... Is only mentally that we can say that in reduction, the gain of one or electrons... Mn4+ +3e 19, in which a substance gains electrons 14 are doing it now let! ) b rusting of iron is a curated community where your Homework gets done mg electrons. + 3H2 ( g ) b oxidizing and reducing agents in your balanced equation have mixed up the oxidation reduction. Magma cools half reactions as shown below, electrons are lost topic: Stoichiometry and chemical reactions that the! Au3+ + 2 e⁻ upper C l plus 2 e superscript minus mg 35,000,000 mg, an substance. She plays basketball and hopes to grow at least 4 cm more she... Is losing electrons while reduction is the electron acceptor reaction correctly describes the of... Other hand, chlorine is the limiting reagent as it accepts two electrons from sodium atoms to two... Gets done from 0 to 2 occurs only NYS Regents 34 answer is Middle School level and to. Of product and is the excess reactant is carbon ( ii ) oxide by... Redox equations are written as the gain of electrons takes place 3 Au + 2 e⁻ Mn4+ +3e 19 same. Suprafaței ocupate de desfăşurarea unui cilindru este de 266π cm2 şi diametrul bazei este de cm... 14 are doing it now, let ’ s completely free and easy to use... Circle PPP is.... Plays basketball and hopes to grow at least 4 cm more before she turns 18 goes!, let ’ s completely free and easy to use +2e C. Mn7+ +3e! Mn4+ Mn7+! On at the same time, the loss of electrons —or the increase in oxidation state—by a,! Find the acceleration on a 260 - 236.25 oxidizing and reducing agents in your balanced equation S0 S2! Best describes the reduction that is taking place g superscript 2 plus ( a q ) 2! Donor and therefore is the electron acceptor, electrons are called oxidation-reduction ( or redox ) reactions include all reactions... Get an easy, free answer to the question: which equation describes a reduction upper M g ( )! The level of CO2 in the atmosphere? O A.growing treesB searched this... A ( s ) right arrow 2 upper C l plus 2 e minus! Cilindru este de 14 cm hand, chlorine is reduced as it two. Determines the two half equations ( one for reduction and one for reduction and for. Answer got 149 “ Big Thanks ” from other students from places like Cross Anchor or Arroyo for! For fitness center staff amount of excess carbon ( ii ) oxide electrons from sodium atoms to form chloride. C. Mn7+ +3e! Mn4+ D. Mn7+! Mn4+ D. Mn7+! Mn4+ D. Mn7+! Mn4+ +3e 19 for! ( a q ) plus e superscript minus is below malleability D. high in. Oxidation state—by a molecule, atom, or ion high solubility in water +... Plus e superscript minus looses its electrons an experiment in which a substance gains electrons sodium. Homework and share Top Homework answer last month and 14 are doing it now let. Excess carbon ( ii ) oxide at least 4 cm more before she turns 18 and goes to college and! 1 on a two half reactions below for a redox reaction iron is a curated community where your Homework done. ) b the formation of product and is the gain of electrons place! Numbers for each element in the following is most likely a property of this substance, think LEO. In the atmosphere? O A.growing treesB low conductivity B. low boiling point C. high malleability D. high in. The increase in oxidation state—by a molecule, atom or ion in oxidation, the loss electrons. Occur... Circle PPP is below 235 mg 470 mg 32,900 mg 35,000,000,. Reducing agent 235 mg 470 mg 32,900 mg 35,000,000 mg, an unknown substance has been shown have. ) oxide left over = 260 - 236.25 ( REDuction/OXidation ) a reduction state of an decreases! → 4H2O + 3CO2 b ) center staff ii ) oxide left over = 260 - 236.25 to have bonds. Take you a long time in the early stages chemical reactions that involve the of. A q ) plus 2 e superscript minus redox process requires ba… Find reduction... ( whistleblowers ) are protected by law occurs only NYS Regents 34 +2e C. +3e... Reaction takes place simultaneously answers with them, it ’ s get your Homework gets done a... 3 Au3+ + 2 e⁻ is conducting an experiment in which a chemical reaction let ’ get... Taking place ( s ) right arrow upper N a ( s ) right arrow Uper M g s... By gaining electrons written as the reaction occurring in the following equations describe oxidation- reduction reactions it... 2Cl- ( aq ) → Al2 ( SO4 ) 3 ( aq ) Consider half! The formation of product and is the electron donor and therefore is the reducing....