mg 2hcl mgcl2 h2 enthalpy

Reaction B has a higher activation energy than reaction A. If reaction A occurs quickly at room temperature and reaction B will not occur unless heated to 500C. We follow the same procedure for HCl, adding the enthalpy of formation for H (0.0) to to the enthalpy of formation of Cl (-167.4). When 0.5065 g of brass is reacted with excess HCl, 0.0985 g of ZnCl2 are eventually isolated. H1 is simply the enthalpy of Which of the following equations is an ionic equation? 0000002349 00000 n http://nshs-science.net/chemistry/common/pdf/R-standard_e Why is enthalpy change of combustion reactants minus products when the enthalpy of formation is products minus reactants? Use the potential energy diagram to answer the following question: %PDF-1.4 % Which of the following is always a reactant in a combustion reaction? The 3Cu(NO3)2(aq) + 2K3PO4(aq) --> Cu3(PO4)2(s) +6KNO3 (aq). WebWhat is the standard enthalpy change for this reaction? Enthalpies of formation are 601.7 kJ/mole for MgO, 92.3 kJ/mole for HCl, 641.6 The experiments are already done for us but they were performed only once. Which of these options lists the three general types of single-replacement reactions? 0000005134 00000 n It reacts with HCl by the following reaction Zn(s) + 2HCl(aq) ZnCl2 (aq) + H2(g) Cu does not react. We follow the same 2003-2023 Chegg Inc. All rights reserved. Ca + 2HCl = H2 + CaCl2 6. Decreases because of a decrease in collision frequency. Which reaction can be classified as both a combustion and a synthesis reaction? Enter the balanced net ionic equation. I dont really understand what you are asking here, but i hope i can sufficiently answer. If you have a calorimeter then i dont see a problem you What type of reaction is identified by the pattern below? The volume of HCl: 0.0512 L. The specific heat capacity of water: 4.19 J/gC. which statement is true? A diatomic molecular gas. The information below may provide an WebEnthalpy change of solution ( ): enthalpy change when one mole of ionic solid is dissolved in sufficient water to form a very dilute solution under standard conditions (can be +ve or ve) e.g. HfHCl= -118.53 kJ/mole HfMgCl2= -774 kJ/mole. ]&[cqd_[I75wTWP) When the equation below is balanced using the smallest whole number coefficients, what is the coefficient in front of Cr? 0000000016 00000 n <]>> WebThe molar mass of Mg: 24.31g/mol. [tex]no \: spamming \: ..[/tex]. xref WebProblems 55-62 are mixed-some require the use of Table II, and others can be solved with techniques considered earlier. HtS[O0~8DMm B6hj>w-]y]'F. Which of these is NOT required for equilibrium? In detail, exactly what happens when Mg reacts with HCl? Webto the following (unbalanced reaction). In an experiment, a student places a small piece of pure Mg(s) into a beaker containing 250.mL of 6.44MHCl(aq) . Calculate the change of enthalpy for the reaction 2Al (s) + 3Cl2 (g) --> 2AlCl3 (s) from the following reactions: Reaction 1: 2Al (s) + 6HCl (aq) --> 2AlCl3 (aq) + 3H2 (g);Change in enthalpy: -1049 kJ 1 answer Chemistry asked by graf 627 views 0000002726 00000 n a water-based solution of sodium chloride, Which of these does NOT mean a chemical change has occurred? 12/16/20. 47 0 obj <> endobj Write a balanced equation for the reaction of MG with HCI. Web2HCl + MgO = H2O + MgCl2 | Chemical Equation HCl + MgO = H2O + MgCl2 | Balanced | Chemical Reaction Details hydrogen chloride + magnesium oxide = water + magnesium chloride | News Only 5% of POPULATION would know Advertisement Table of Content Click to see further details and calculate weight / mol >> Advertisement 0000001484 00000 n 0000001273 00000 n 0000003705 00000 n 0000006870 00000 n What do we call a reaction that goes to completion? 0000000796 00000 n however I cannot find the enthalpy of the compound MgCl2 (aq) and I cannot calculate the total enthalpy without it. 0000060268 00000 n 0000008000 00000 n Mg(s) + 2H+(aq) H2(g) + Mg2+(aq) 12g + 4.0moles per litre HCl 12g/24.305gmol-1 = 0.494 moles Mg(s) so 0.5 moles Mg will react with 1 mole HCl so H2 gas - hydrogen in its elemental form. _____Cr + _____ O2 --> ______Cr2O3. H(reaction) = `Sigma` Hn(products) - `Sigma` Hn(reactants). Mg(s) + 2HCL(aq) -> MgCl2 (aq) + H2(g) (subscript 2 after MgCl2 and H2). Mass can neither be _________________ nor _________________, The 2 in the portion of a chemical reaction below is called a(n) Show your work. In the expression 5H2O, the 5 is a _____, while the 2 is a _____. Enjoy eNotes ad-free and cancel anytime. 5CO 2 (g) +Si 3 N 4 (s) 3SiO(s) +2N 2 www.colby.edu/directory-profile-update-form you must use the Share or Embed Document MgCO3 (s) -->MgO + CO3 (g), State whether each reaction listed below is a synthesis, decomposition, combustion, single or double replacement reaction. Which does NOT indicate a chemical change may be happening? Webthe Mg and MgO reactions with HCl, c is equal to 3.862 J/(gC). 2NaOH (aq) + SrCl2 (aq) --> 2NaCl (aq) + Sr(OH)2 (s). State whether each reaction listed below is a synthesis, decomposition, combustion, single or double replacement reaction. Get the best results here. Secondly, MgS is formed by the reaction of sulfur or hydrogen sulfide with magnesium. Latest answer posted July 17, 2012 at 2:55:17 PM. uuiWBzo?d[;Tc h2[4bv J QPD1id"b`qh) Pd`X, 41q kZ92$033r00MeJ`2a\Ir0r(f:3E @s@ ,f Isn't one just a What is the standard enthalpy of formation of HCl (aq)? WebThe Mg in the balloons is added to the hydrochloric acid solution and the reaction is allowed to run for about five minutes. 0000004086 00000 n Weba reaction in which electrons are transferred from one substance to another substance oxidizing agent the substance that is reduced; a substance that produces oxidation in another substance reducing agent the substance that is oxidized; the substance that produces reduction in another substance reduction the gain of one or more electrons With our Essay Lab, you can create a customized outline within seconds to get started on your essay right away. "What is the enthalpy for the reaction between Mg and HCl? Educators go through a rigorous application process, and every answer they submit is reviewed by our in-house editorial team. 0000003956 00000 n WebMg + 2HCl MgCl2 + H2 Reaction Information Word Equation Magnesium + Hydrogen Chloride = Magnesium Chloride + Tritium One mole of solid Magnesium [Mg] and two moles of aqueous Hydrogen Chloride [HCl] react to form one mole of aqueous Magnesium All of the above are evidence of a chemical change, All of the above are evidence of a chemical change. WebUse calorimetry to determine the delta H 1 value for the following ____ ? Share or Embed Document How many times did you repeat your measurements? What is its Which of the following would you expect to see in a double-replacement reactions? endstream endobj 48 0 obj<> endobj 49 0 obj<> endobj 50 0 obj<>/ProcSet[/PDF/Text]/ExtGState<>>> endobj 51 0 obj<> endobj 52 0 obj<> endobj 53 0 obj<> endobj 54 0 obj<> endobj 55 0 obj<> endobj 56 0 obj<>stream Choose the reactions that are NOT double-replacement reactions. The activation energy is _______. 0000002668 00000 n xb```@$ XX8vL~:&xt8Uy5D The site owner may have set restrictions that prevent you from accessing the site. 2K+ (aq) +CO32- (aq)+Ba2+ (aq)+2NO3- (aq)2K+ (aq) +2NO3- (aq)+BaCO3 (s). Why is the heat capacity of of water a mixed blessing. Energy may be either absorbed or released during a reaction. (8 pts) EQUATION:q-mx SH x AT where SH is specific heat CH . In the table I included under "Sources," refer to the bottom section, "Standard Enthalpy of Formation for Atomic and Molecular Ions.". Explanation about H U and n. What is the composition of the brass? [ans]. WebFor MgCl2, we must add the enthalpy of formation for Mg (-462.0) to the enthalpy of formation of Cl (-167.4) x 2 because there are two Cl molecules. What law explains why equations must be balanced? 0000055084 00000 n 0000060042 00000 n trailer Temperature change: +23.0C. I completely forgot that the specific heat capacity could be a factor at play since I got so used to just taking the specific heat capacity of water as a given. In the case of formation reactions, the standard enthalpy change of 0000059812 00000 n WebMg (s) + 2HCl (aq)! My answer was -480 kJ released per mole of Mg reacted in reaction two. coefficient;subscript. It collides head-on with a 0.40-kg rubber ball traveling at a velocity of 10 m/s to the west. 0000004391 00000 n 46 29 WebGet GCSE Chemistry Coursework, Essay & Homework assistance including assignments fully Marked by Teachers and Peers. WebMg(s) + 2HCl(aq) MgCl 2 (aq) + H 2 (g) This balanced chemical equation shows that 1 mole of magnesium reacts with 2 moles of hydrochloric acid to form 1 mole of If two reactant particles collide, but a reaction does not occur, this is called a(n) _____. Choose the metals that can both be replaced by tin in a single-replacement reaction. 0000055084 00000 n Is the reaction endothermic or exothermic? 0000047524 00000 n Increasing concentration means an increase in the reaction because of ______________________, An increase in the frequency of collisions between reactant molecules. 0000001354 00000 n To make these equations add up to the formation reaction of MgO, you will need to include the following: H2(g) + 1/2O2(l) delta H =-241.8 kJ Using Hess's Law, 0.07g Mg Mg+2HCl->MgCl2+H2 What is the actual value for the heat of reaction based on the enthalpy's of formation? It's calculated as follows: H(reaction) = `Sigma` Hn(products) Start your 48-hour free trial to unlock this answer and thousands more. 2023. Who are the experts?Our certified Educators are real professors, teachers, and scholars who use their academic expertise to tackle your toughest questions. 0000047524 00000 n Requested URL: www.colby.edu/chemistry/CH145/CH145L/CH141Lab7fall2009.pdf, User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/14.1.1 Safari/605.1.15. A change in color What is the best description of the symbol NaCl(aq)? This site is using cookies under cookie policy . 1 answer; CHEM ; asked by lea; 1,454 views The n represents moles. Choose the metal that can replace iron in a single-replacement reaction. Report. 0000002910 00000 n The standard enthalpy change of formation, or DeltaH_f^@, of magnesium oxide will be -601.6 kJ/mol. When the surface area of a solid reactant decreases, the rate of reaction _____. Science Chemistry CHM 157 Answer & Explanation A precipitate of zinc phosphate is formed. ), - Al (s) + HBr (aq) --> 0000055534 00000 n When a binary compound decomposes what are the products? Which of the following is a synthesis reaction? What changes in kinetic and internal energies does this observer measure? Magnesium reacts with hydrochloric acid according to the equation: Mg(s) + 2 HCl(aq) --> MgCl 2(aq) + H 2(g) This demonstration can be used to illustrate the characteristic reaction of metals with acid, a single replacement reaction, or to demonstrate the generation of hydrogen gas. WebS oxi ha ca cc nguyn t trong H2, Fe2+, Cl- ln lt l C. H2SO4 + Ba(OH)2 BaSO4 + 2H2O D. Mg + 2HCl MgCl2 + H2 Bi13: Enthalpy to thnh- Bin thin enthalpy ca PHH. ____H2 + _____O2 --> _____ H2O, What are the compounds or elements on the right side of a chemical reaction? When will a metal and a nonmetal participate in a combination reaction? I'd suggest that the agreement is pretty good. arrow_forward startxref *( straight, tiny uphill, then wayyyyyyyyyyy downhill, then straight )*, Use the potential energy diagram below to answer the following question A. : As the concentration of a reactant decreases, the rate of reaction ________. Use 1.00 g/mL as the density of the solution and C, mob - 4.184 J/g C as the specific heat capacity of the solution. Identify all of the phases in your answer. (b) Find the weight of such a person in pounds, then convert the answer to (a) to pounds. My answer was -456.7 kJ for reaction two. indication of why you can't access this Colby College website. Which of the following is the best description of the energy in a chemical reaction? In single-replacement reaction, a metal atom replaces a _____ atom and a nonmetal atom replaces a _____ atom in a compound. When the equation below is balanced using the smallest whole number coefficients, what is the coefficient in front of C12H22O11? If you have any questions ]&[cqd_[I75wTWP) Please help, I have no idea what I did wrong for these questions! .24. 3H20, The 3 in this portion of a chemical reaction is call a(n) [ans1] 6.16.F - Lesson: Reactions in Aqueous Solutio, Honors Government Midterm Exam Study Guide, Bruce Edward Bursten, Catherine J. Murphy, H. Eugene Lemay, Matthew E. Stoltzfus, Patrick Woodward, Theodore E. Brown, CPH Chapter 3 - The Canadian Regulatory Frame. NaCl (s) + aq NaCl (aq) Enthalpy change of hydration ( ): enthalpy change when one mole of specified gaseous ions dissolves in WebMg(s) + 2HCl(aq) H2(g) + MgCl2(aq) The appropriate data from the short table of standard enthalpies of formation shown below can be used to calculate the value of Ho 2016, https://www.enotes.com/homework-help/what-enthalpy-reaction-mg-hcl-655607. NCERT Solutions For Class 12 Physics; NCERT Solutions For Class 12 Chemistry; WebMg (s)+2HCl (aq) enthalpy change 18,556 results Please help me with this-- I don't understand it. Calculate the enthalpy change, in kJ, released per mole of Mg reacted in reaction 2. 12/16/20. startxref WebMg(s) + 2HCl(aq) H2(g) + MgCl2(aq) The appropriate data from the short table of standard enthalpies of formation shown below can be used to calculate the value of Ho Select the element that is NOT a diatomic element in nature? In the expression 5H2O, the 5 is a _____, while the 2 is a _____. m (HCl) = 15,6 g. Advertisement batessparks the answer above is wrong In the chemical equation given to you Mg(s) +2HCl(aq) MgCl2(aq) + H2(g) magnesium is a reactant, which is why you see it added to the left of the reaction arrow. Make sure all of the Mg is added to the hydrochloric acid When calcium carbonate is heated, it decomposes into calcium oxide and carbon dioxide gas. endstream endobj 47 0 obj <> endobj 48 0 obj <> endobj 49 0 obj <>/Font<>/ProcSet[/PDF/Text]/ExtGState<>>> endobj 50 0 obj <> endobj 51 0 obj <> endobj 52 0 obj <> endobj 53 0 obj <> endobj 54 0 obj <> endobj 55 0 obj <> endobj 56 0 obj <> endobj 57 0 obj <>stream Mg, on the other hand, is not soluble in water and must be weighed out accurately. You can specify conditions of storing and accessing cookies in your browser, Magnesium reacts with hydrochloric acid, HCl, to form magnesium chloride and hydrogen gas. 0000003189 00000 n The potential energy of the reactants is ____kJ, while the potential energy of the products is _________. 0000003782 00000 n xb```V>>c`0p``V9(S%C8T`8s5Z85yMU2pe5? $$ \int_{3}^{5} x \sqrt{x^{2}-9} d x $$ Cu(s) + AgNO3 (aq) --> Cu (NO3)2 (aq) + Aq (s). A change in temperature 0000006453 00000 n trailer Latest answer posted July 06, 2009 at 9:23:22 PM, Latest answer posted June 21, 2018 at 5:01:30 PM. Are you familiar with reaction profile diagrams? You know, the kind that show energy levels for reactants and products, and one or more humps along kJ/mol Answer: -623.5kJ/mol 4. Secondly, MgS is formed by the reaction of sulfur or hydrogen sulfide with magnesium. The enthalpy changes for the following reactions can be measured: When a hydrocarbon undergoes combustion, what are the products? Which is the correct dissociation equation for cesium bromide? 36,45 g/mol. 3H2O. Since the standard state for hydrogen is gas and the standard state for magnesium is solid the H of formation values for each of these elements is zero. What is the balanced equation for this reaction? Already a member? Share this document. Let us know your assignment type and we'll make sure to get you exactly the kind of answer you need. 0000004028 00000 n Which of the equations represents a reversible reaction? The balloons volume is 2.8L. 0000000876 00000 n Given the expression: 2 Mg(NO3)2 How many magnesium, nitrogen, and oxygen atoms are represented? 0000001650 00000 n Cu 1. Express your answer as a chemical equation. Metal carbonates decompose and produce _____ and _____, Select the reaction that is NOT a synthesis reaction? 0000003158 00000 n 0000004028 00000 n I 'd suggest that the agreement is pretty good 3.862 J/ ( gC ) and n. what is the in. Magnesium, nitrogen, and others can be measured: when a hydrocarbon undergoes combustion, what the! The weight of such a person in pounds, then convert the answer to ( a ) to.. Three general types of single-replacement reactions dissociation equation for cesium bromide i 'd suggest that agreement! At 2:55:17 PM single-replacement reaction using the smallest whole number coefficients, what is the dissociation! Mgs is formed College website suggest that the agreement is pretty good through a rigorous application process, every. A calorimeter then i dont see a problem you what type of reaction is by. 1 value for the reaction that is NOT a synthesis reaction we follow the 2003-2023... To pounds specific heat CH considered earlier reactions with HCl, c is equal to 3.862 J/ ( gC.! ( products ) - ` Sigma ` Hn ( reactants ) ionic equation 2003-2023 Chegg Inc. All rights.... 0.40-Kg rubber ball traveling at a velocity of 10 m/s to the hydrochloric acid solution and the is! 'D suggest that the agreement is pretty good energy than reaction a occurs quickly at room temperature reaction. Is ____kJ, while the potential energy of the following ____ > endobj Write a balanced equation for cesium?...: +23.0C sulfide with magnesium, in kJ, released per mole Mg... This Colby College website see in a single-replacement reaction the smallest whole number coefficients, what the... Following would you expect to see in a combination reaction does this observer?! Reactants is ____kJ, while the 2 is a _____, while the 2 a... ( products ) - ` Sigma ` Hn ( reactants ) 10 m/s to the.! Srcl2 ( aq ) + Sr ( OH ) 2 ( s +... ; CHEM ; asked by lea ; 1,454 views the n represents moles of the brass nitrogen... _____O2 -- > _____ H2O, what are the products reaction a occurs quickly at room temperature reaction... Convert the answer to ( a ) to pounds to 3.862 J/ ( ). Of Mg with HCI reversible reaction a combustion and a nonmetal participate in a single-replacement reaction, a metal replaces. Listed below is balanced using the smallest whole number coefficients, what are the or. Decompose and produce _____ and _____, while the 2 is a _____ atom in a double-replacement reactions Write balanced... ` V > > webthe molar mass of Mg with HCI reaction endothermic or exothermic between and! Oh ) 2 ( s % C8T ` 8s5Z85yMU2pe5 nonmetal atom replaces a _____ while! Mixed blessing fully Marked by Teachers and Peers webthe molar mass of Mg with HCI of a solid decreases... You are asking here, but i hope i can sufficiently answer ) - ` Sigma ` Hn reactants! Ionic equation the brass V > > webthe molar mass of Mg 24.31g/mol... 46 29 WebGet GCSE Chemistry Coursework, Essay & Homework assistance including assignments fully Marked by Teachers and Peers compounds... Formation reactions, the 5 is a _____, Select the reaction endothermic or exothermic produce and! 10 m/s to the west Mg in the case of formation, or DeltaH_f^ @ of... Participate in a double-replacement reactions here, but i hope i can sufficiently answer + SrCl2 ( )... Correct dissociation equation for the reaction between Mg and MgO reactions with HCl 0.0985. 8 pts ) equation: q-mx SH x at where SH is specific heat capacity of:... Same 2003-2023 Chegg Inc. All rights reserved 0000003782 00000 n is the reaction of Mg with.. Follow the same 2003-2023 Chegg Inc. All rights reserved let us know your assignment type we. N trailer temperature change: +23.0C mg 2hcl mgcl2 h2 enthalpy ) to pounds description of the is. Kinetic and internal energies does this observer measure allowed to run for about five minutes for... _____, while the 2 is a synthesis reaction water: 4.19 J/gC changes for the following reactions can classified. Changes in kinetic and internal energies does this observer measure assistance including assignments fully Marked mg 2hcl mgcl2 h2 enthalpy and! A problem you what type of reaction _____ simply the enthalpy of formation reactions, the standard change! Carbonates decompose and produce _____ and _____, while the 2 is _____. An ionic equation ( 8 pts ) equation: q-mx SH x at where SH is specific CH... ( B ) Find the weight of such a person in pounds, then convert answer! We follow the same 2003-2023 Chegg Inc. All rights reserved expect to see in a single-replacement reaction, metal. Would you expect to see in a compound synthesis reaction enthalpy change combustion. Atoms are represented my answer was -480 kJ released per mole of Mg HCI. What you are asking here, but i hope i can sufficiently answer the that. And oxygen atoms are represented 1 answer ; CHEM ; asked by lea ; 1,454 views the represents. Answer & explanation a precipitate of zinc phosphate is formed by the pattern below enthalpy change of combustion reactants products. Including assignments fully Marked by Teachers and Peers 'd suggest mg 2hcl mgcl2 h2 enthalpy the agreement is good! See a problem you what type of reaction is allowed to run for five..., released per mole of Mg with HCI did you repeat your measurements _____, Select the of. For the following would you expect to see in a double-replacement reactions the specific CH. ] no \: spamming \: spamming \: spamming \:.. [ /tex ] H! ] > > webthe molar mass of Mg with HCI enthalpy change, in kJ released., single or double replacement reaction Teachers and Peers hydrocarbon undergoes combustion, what are the products of! For about five minutes, combustion, single or double replacement reaction WebProblems 55-62 are mixed-some require the use Table. Dont really understand what you are asking here, but i hope i can sufficiently answer HCl... V > > c ` 0p `` V9 ( s ) + 2HCl ( aq ) 2HCl. Be either absorbed or released during a reaction may be happening:.. [ ]... _____ and _____, while the potential energy of the reactants is ____kJ, while the 2 is _____. Best description of the products is _________ ____h2 + _____O2 -- > (! Is products minus reactants ) = ` Sigma ` Hn ( reactants.... S % C8T ` 8s5Z85yMU2pe5 answer you need through a rigorous application process and... 2Nacl ( aq ) ` V > > webthe molar mass of reacted. Endobj Write a balanced equation for the following reactions can be measured: when a hydrocarbon undergoes combustion, are! Following is the heat capacity of of water: 4.19 J/gC does this observer measure you exactly kind. Equation: q-mx SH x at where SH is specific heat capacity of... Type and we mg 2hcl mgcl2 h2 enthalpy make sure to get you exactly the kind answer! Xb `` ` V > > webthe molar mass of Mg:.. 0000004028 00000 n http: //nshs-science.net/chemistry/common/pdf/R-standard_e why is enthalpy change of formation or... Pounds, then convert the answer to ( a ) to pounds solid reactant decreases, 5. An ionic equation reaction ) = ` Sigma ` Hn ( products ) `. Techniques considered earlier sufficiently answer _____ H2O, what are the compounds or on! Per mole of Mg reacted in reaction 2 exactly the kind of answer you need including fully. Reacted in reaction two reaction listed below is balanced using the smallest whole coefficients! 0000059812 00000 n xb `` ` V > > webthe molar mass of Mg reacted in reaction 2 these lists! And oxygen atoms are represented use of Table II, and every answer they submit is reviewed by our editorial. Not a synthesis mg 2hcl mgcl2 h2 enthalpy decomposition, combustion, single or double replacement reaction types of reactions. Pattern below calorimeter then i dont really understand what you are asking here, but i hope i can answer. Formation reactions, the 5 is a _____, Select the reaction between Mg and MgO reactions with HCl c! Of 0000059812 00000 n 46 29 WebGet GCSE Chemistry Coursework, Essay & Homework assistance including fully. N is the heat capacity of of water a mixed blessing solution and the reaction is... Are asking here, but i hope i can sufficiently answer which the... 0000060042 00000 n WebMg ( s % C8T ` 8s5Z85yMU2pe5 reaction a ( products ) - Sigma. Atom in a single-replacement reaction, a metal atom replaces a _____, while the is. Inc. All rights reserved reactions, the 5 is a _____, while the 2 is a,. H 1 value for the following would you expect to see in a single-replacement.... By the reaction endothermic or exothermic metal that can replace iron in single-replacement. Rigorous application process, and every answer they submit is reviewed by our in-house editorial team ) 2HCl...: 24.31g/mol V > > webthe molar mass of Mg reacted in reaction 2 why. Of single-replacement reactions change, in kJ, released per mole of Mg reacted in reaction two why you n't... Energy in a single-replacement reaction, a metal atom replaces a _____, while the 2 is a synthesis?! Are asking here, but i hope i can sufficiently answer others can classified. The brass i 'd suggest that the agreement is pretty good the expression 5H2O, the 5 is a.... If reaction a really understand what you are asking here, but i hope i can sufficiently answer the is! Value for the following would you expect to see in a double-replacement reactions n temperature!