High temperature aluminium carbide reacts instantly with water to produce copious quantities of highly inflammable methane gas, the common natural gas combustion fuel that can even be explosive. how many grams of aluminum sulfate would be formed if 250g H2SO4 reacted with aluminum? Al4C3(s) + 12 H2O(l) → 4 Al(OH)3(s) + 3 CH4(g) If 0.315 mol Al4C3 completely reacts with water in this manner, Mark as brainliest How, write the chemical equations for the following sentences a) Aluminum reacts with oxygen to produce aluminum oxide I put Al + O2 ----------> 2Al2O3 b) Phosphoric acid, H3PO4, is produced through the reaction between tetraphosphorous decoxide and water I put, Aluminum reacts with chlorine gas to form aluminum chloride via the following reaction: 2Al(s) + 3Cl2(g) -> 2AlCl3(s) You are given 19.0g of aluminum and 24.0g of chlorine gas. Follow this link to find out how you can still search Chemguide using keywords. Convert grams Aluminium to moles or moles Aluminium to grams ›› Percent composition by element Element Symbol Atomic Mass # of Atoms Mass Percent Aluminium Al 26.981538 1 100.000% ›› Calculate the molecular . 2Al₂O₃ + 9C → Al₄C₃ + 6СО↑ Hy­drol­y­sis is a re­ac­tion that oc­curs be­tween a sub­stance and wa­ter, as a re­sult the sub­stance and wa­ter break down, and new com­pounds form. The reaction of methane and water is one way to prepare hydrogen: CH4(g) + H2O(g) --> CO(g) + 3 H2(g) [Molar masses: 16.04 18.02 28.01 2.02] If you begin with 995 g of CH4 and 2510 g of water, what is the maximum possible yield of H2? The reaction can be represented by the following chemical equation. Median response time is 34 minutes and may be longer for new subjects. Q: 1 The formula for a salt is XBr. Aluminum carbide hydrolyses with evolution of methane. C6H12O6 C Cryolite reacts with impurities to form slag. b) What is the percentage yield if 10.1g Mg reacts with an excess of water and 21.0g Mg(OH)2 is recovered? Using the Ksp for aluminum hydroxide (3. x 10^-34), calculate the concentration of hydroxide needed to precipitate aluminum hydroxide. the aluminum and the water are allowed to come to thermal equilibrium. if 2.23 moles of water are formed then how many of aluminum oxide are formed. specific heat of aluminum is .22.. Thermite is a mixture of iron(III) oxide and aluminum powders that is used in some countries to weld railroad tracks. (ii) What volume of methane at s.t.p, is The specific heat of water and, What mass of aluminum hydroxide will be produced when 0.460 grams of aluminum sulfide react with water? c) If 24g, 1.Hydrogen gas can be made by reacting methane (CH4) with high temperature steam: CH4(g) + H2O(g) ----- CO(g) + 3H2(g) How many hydrogen molecules are produced when 256 grams of methane reacts with steam? A 4.78-g sample of aluminum completely reacts with oxygen to form 6.67 g of aluminum oxide Use this data to calculate the mass percent composition of aluminum in aluminum oxide. Al4C3(s) + 12 H2O(l) → 4 Al(OH)3(s) + 3 CH4(g) If 0.285 mol Al4C3 completely reacts with water in this manner, calculate the following. aluminum reacts with sulfuric acid to produce aluminum sulfate and hydrogen gas. Fe2O3(s) + 3CO(g) ----- 3CO2(g) + 2Fe(s) Show all work! The gravimetric hydrogen capacity from this 2 /L. When aluminum carbide reacts with water, the products of the reaction are aluminum hydroxide and methane gas. (ii) What volume of methane at s.t.p. UN1394. If 0.450L of bromine reacts with excess aluminum, how much aluminum is made? Aluminium is much higher than iron in the reactivity series, so the thermite reaction releases a lot of energy. An aluminum plate of mass 0.1 kg at 95oC is immersed in 0.5 litre of water at 20oC kept inside an insulating container and is then removed. How many grams of aluminum sulfate would be formed if 250g H2 SO4 completely react with aluminum? Please i need help in the worst way. How many grams of aluminum sulfate would be formed if 250 g H2SO4 completely reacted with aluminum? Aluminium carbide reacts with water according to the following equation: Al 4 C 3 + 12 H 2 O → 4 Al (OH) 3 + 3 CH 4 (i) What mass of aluminium hydroxide is formed from 12g of aluminium carbide? Aluminum carbide, Al4C3, reacts with water to produce methane. For a question like this how do I find, A piece of aluminum with mass of 5.0 g is immersed in 30.0 g of water. The reaction between aluminium carbide and water takes place according to thefollowing equation: Al4C3 + 12 H2O 3CH4 + 4Al(OH)3 Calculate the volume of methane measured at STP, released from 14.4 g of aluminium carbide by excess water. 1.) 4Al(s) + 3O2(g) → 2Al2O3(s) A mixture of 82.49 g of aluminum ( Picture = 26.98 g/mol) and 117.65 g of oxygen (. Synonyms: ALUMINUM CARBIDE, Tetraaluminium tricarbide, Aluminum carbide (Al4C3), 11013_RIEDEL, 241873_ALDRICH, ALUMINUM CARBIDE, Al4C3, EINECS 215-076-2, UN1394, Aluminum carbide [UN1394] [Dangerous when wet], 12656-43-8, 56320-44-6 Weight of pure compound, M2SO4 = 2.66g What mass of solid aluminum hydroxide can be produced when 50.0 mL of 0.200 M aluminum nitrate is added to 200.0 mL of 0.100M potassium hydroxide? once the reaction has occured as completely as possible, what mass of the excess reactant is left? What is the maximum mass of aluminum oxide that could be produced? Magnesium is very high in the reactivity series, and copper is very low - … *Response times vary by subject and question complexity. when water is added to solid calcium carbide, CaC2, acetylene gas,C2H2,and calcium hydroxide,Ca(OH)2, are produced. Group of answer choi... A: We know that : What is the theoretical yield of carbon dioxide formed from the reaction of 0.16g of methane and 0.83g of oxygen gas? Aluminum chloride removes chloride from acetyl chloride to generate a nucleophile that can, A piece of aluminum is made with a cavity inside the aluminum. Water solubility of magnesium hydroxide is 12 mg/L. Aluminum carbide, Al2C3 (s), reacts with water to yield aluminum hydroxide, Al(OH)3 (aq), and methane, CH4 (g). Pure aluminum has density 2.70g/cm^3. How many atoms are. Silicon carbide, exceedingly hard, synthetically produced crystalline compound of silicon and carbon. 100.mL Keyword searching I have removed the Google search box because it was giving problems. Which reactant is liminting and how much product is produced? Expressing numbers using powers of 10... A: It is given that, the individual's net worth is 7.82×10^10. In water, the piece of aluminum has an apparent mass of 16.2kg. assuming no heat is lost, Two solutions were prepared. Weight of precipitate of calcium sulfate = 1.36g. Liquid bromine is reacted with aluminum to produce solid aluminum bromide. How many grams of aluminum hydroxide can be obtained? Note that there may be more than one correct answer. Al2S3 + H20 -------> Al(OH)3 + H2S, An aluminum pan of mass 100 grams and at a temperature of 375°C is plunged into a vat of water. What is the pecentage yield of 10.1g Mg reacts with an excess of water abnd 21.0g Mg 9g (OH)2 is recovered? Little by little sodium hydroxide solution is added to the carbide from the dropping funnel. GHGs occur naturally in the Earth’s atmosphere, but … for aluminum oxides, which were used as mordants for fabric coloring and leather tanning. of a solvent with a density of CH 3 I + 2H → CH 4 + HI Aluminum Carbide The reaction of water or dilute hydrochloric acid on aluminium carbide gives methane gas at room temperature. In an experiment, 200 g of aluminum at 100degrees celsius is mixed with 50.0g of water at 20.degrees celsius, with the mixture thermally isolated. Write the balanced formula unit equation for the reaction. How many moles of aluminum hydroxide does each capsule contain? (a) the number of moles of CH4 produced(b) the mass in grams of CH4 produced. Thanks. In the first week, Maya collected 4/20 lb of aluminum and her friend Abigail collected 7/8 lb. ALUMINUM CARBIDE. (Sorry need help with this! Nor Cal/UT/CO 916.899.1515. I don't know where to begin. Aluminum carbide react with water Al 4 C 3 + 12H 2 O → 4Al (OH) 3 + 3CH 4 [ Check the balance ] Aluminum carbide react with water to produce aluminium hydroxide and methane. 4 Al(s) + 3 O2(g) -> 2 Al2O3(s) Calculate the mass of aluminum required to form 18.2 kg of aluminum oxide if the reaction has a percent yield of 83.4%. (ii) What volume of methane at s.t.p, is obtained from 12g of aluminium carbide? Atomic number, 13; atomic mass, 26.9815. To better understand the behavior of these fluids, the phase equilibrium properties of water containing small amounts of methane (< 4 mol%) were determined using the synthetic fluid inclusion technique. The X-ion in this salt has 46 electrons. A .055 gram sample of aluminum hydroxide is reacted with .200M hydrochloric acid. What mass of LiSO4 (110 g/mol) is required to prepare 30mL of 0.20M LiSO4? Background. how many moles of acetylene are produced when 0.50 mole of calcium carbide reacts? The chemical reaction can be written as: Al 4 C 3 + 12 H 2 O → 4 Al(OH) 3 +3 CH 4 ___ CH4 (g)+ ___ O2 (g) → ___ CO2 (g) + ___ H2O(g) + 802 kJ, A 25.0 g aluminum block is warmed to 65.2 C and plunged into an insulated beaker containing 55.3g of water initially at 22.0C. Balance aluminium + Sodium Hydroxide + water gives sodium meta aluminate + hydrogen Get the answers you need, now! Beryllium carbide (Be2C) reacts with water (H2O) to produce methane (CH4) and beryllium hydroxide (Be(OH)2). calorimeter of specific heat .093, and the temp.or stable equilibrium is 28.8 C Create balanced equation, given the two compounds in aqueous solution may react with one another. It re-organises (hybridises) the 3s, the three 3p, and two of the 3d orbitals to produce six new orbitals all … Organizations that are currently involved with the development of aluminum-water systems for the production of hydrogen are listed in Appendix II. What is the limiting reactant if 30.7 g Al are reacted with 38.3 g of O2? When mixed with water, a small proportion of it dissolves, forming a solution known as limewater, the rest remaining as a suspension called milk of lime. A.) We need 2 potassium ions to balance one oxide. Beryllium hydroxide and methane are formed. Find answers to questions asked by student like you, Aluminum carbide is a solid that reacts with water to form aluminum hydroxide and methane gas. Write a balanced chemical equation for this reaction. Aluminium hydroxide is a large bulky molecule that plugs the, Aluminum hydroxide and sulfuric acid neutralize to make water and aluminum sulfate. 2. AlMC3(s) + H2O(l) CHM(g) + Al(OH)3(s) The density of aluminum is 2.702 g/ mL. .166 mol Al2S3 How many grams of aluminum. Calcium hydroxide… determine the limiting reactant and calculate the theoretical and percent yield. The sap is basic so the aluminium ion becomes aluminum hydroxide. What is the molar concentration of the aluminum sulfate in the original aluminum sulfate solution? Central/East US 512.730.0130. Same happens with alumnium carbide also. c)Aluminum hydroxide reacts with hydrochloric acid. Textbook solution for Introductory Chemistry: An Active Learning Approach… 6th Edition Mark S. Cracolice Chapter 8 Problem 63E. 0.6 moles … aluminium carbide+water gives aluminium hydroxide+methane Physics If 400 gm of aluminum are put into 200 gm of water at 20 C in 110 gr. The reaction between aluminium carbide and water takes place according to thefollowing equation: Al4C3 + 12 H2O 3CH4 + 4Al(OH)3 Calculate the volume of methane measured at STP, released from 14.4 g of aluminium carbide by excess water. I don't have a solution manual and my exam is on Tu... A: Hi, since there are multiple questions posted we will provide you with answers for the first two que... Q: At 298 K, the enthalpy of denaturation of hen egg white lysozyme is +217.6 kJ mol−1 and the change i... A: The temperature dependence of the reaction enthalpy is expressed as : Q: A student dissolves Y1365. Aluminum carbide is a solid that reacts with water to form aluminum hydroxide and methane gas. Silvery white lightweight metal. Which of the following is a chemical property of aluminum? The potassium has a charge of #"K"^+# and oxygen has a charge of #"O"^(2-)#. 11. #6. Aluminum reacts with oxygen to produce aluminum oxide which can be used as an adsorbent, desiccant or catalyst for organic reactions. The unbalanced chemical equation for this reaction can be written as the following. Use this data to calculate the mass percent composition of aluminum in aluminum oxide. B Cryolite increases the melting point of the electrolyte. Solid aluminum carbide, Al4C3, reacts with water to produce methane gas and solid aluminum hydroxide. Q: what is the boiling point of cyclohexane at 620mmHg. EINECS 215-076-2. The molar mass of aluminum sulfide is 150.0 g and the molar mass of aluminum hydroxide is 78.0 g. The question says Sufuric acid reacts with Aluminum hydroxide by double replacement. I was given Aluminum + Sulfur yields.. & I was to finish & balance & answer the questions. If 0.285 mol Al4C3 completely reacts with water in this manner, calculate the following. Beryllium carbide on hydrolysis gives methane. Aluminum carbide, chemical formula Al 4 C 3, is a carbide of aluminum. the Earth’s atmosphere are water vapour, carbon dioxide (CO2), methane (CH4), nitrous oxide (N2O) and ozone. Which aqueous reagent can be used to confirm which salt is present? Balancing result for chemical equations: h2o (Water; Hydrogen oxide; Drinking water; Steam) al4c3 = al(oh)3 (aluminium hydroxide) ch4 (methane) . c. how many. What is the mass in milligrams of 0.0734 mole of magnesium hydroxide? Aluminum sulfate reacts with sulfuric acid to produce aluminum sulfate and hydrogen gas. Aluminum carbide, Al2C3 (s), reacts with water to yield aluminum hydroxide, Al(OH)3 (aq), and methane, CH4 (g). Write the solubility equilibrium equation and solubility product constant expression for a saturated aqueous, Write a balanced chemical equation and state the reaction type for each of the following reactions: a.) Aluminum carbide,al4c3. Please, what is the balanced equation for thereaction of aluminum selenide with water including the physical states reactants and products im given hydrogen selenide prepared by reacting aluminum selenide with water other product solid aluminum hydroxide please. If 27.0 g of chromium is produced, what mass of aluminum oxide is produced? How many grams of Al4C3 (s) would be needed to prepare 1.000 L of CH4 (g) measured at STP? 4 Al + 3 O2 2 Al2O3 a. Be₂C + 4H₂O——>2Be(OH)₂ + CH₄ Beryllium carbide decomposes slowly in water with evolution a. which girl collected more aluminum? D The carbon cathode has to be replaced regularly as it reacts with 30 (Cpaluminum = 24.4 J/mol-K; 1 mole of aluminum has a mass of 27.0 g), 25.0g of aluminum reacts with 55.0grams of chlorine gas to produce aluminum tetrichloride. What happened. Aluminum carbide is a solid that reacts with water to form aluminum hydroxide and methane gas. calorimeter of specific heat .093, and the temp.or stable equilibrium is 28.8 C, what is the initial temperature of the aluminum? (a) Identify the compound X (b) Name the reaction (c) Write down its reaction. Other magnesium compounds are clearly more water soluble, for example magnesium carbonate (600 mg/L). #1.aluminum nitrite and ammonium chloride react to form aluminum chloride, nitrogen. 5 This question is about aluminium sulfate, a soluble salt with many uses. when the reaction is complete, unreacted aluminum remains, and this, Complete and balance the following neutralization reactions. Aluminum has only one stable isotope, Al-27. Thank you. Pure methane collects the gas over water. The melting point of aluminum is 660 degrees C B.) In the first week, Maya collected 4/20 lb of aluminum and her friend Abigail collected 7/8 lb. Do I put this into a chemical, This is a three part problem I need help in figuring out pleaseI n each of the questions below you are going to determine a different type of balanced equation for the same reaction. (a) the number of moles of CH4 produced mol (b) the mass in grams of CH4 produced. , two solutions were prepared, 95 % how many gramns of the percent, aluminum with! Can somebody please help explain what i 'm wrong! of hydrogen are. Accuracy of these to accept lone pairs from six water molecules compatibility Chemicial compatibility Guide the following equation. Solutions in as fast as 30 minutes! * if i combined 25.0 grams aluminum. ) + 3CO ( g ) -- -- - 3CO2 ( g ) + 3CO g... Chemguide using keywords 36.4 g Al are used to join railway tracks this to. Temperature, aluminum and her friend Abigail collected 7/8 lb substances has the greater heat capacity calcium... A spectacular reaction to yield barium sulfate is produced, what is the percent, and! As 500 B.C the synthesis, crystal structure and methane, CH4 a saturated aluminum hydroxide aluminum! A radius of.25 cm of carbon dioxide or water vapor and carbon and gas... Acetylene are produced water at 20 C in 110 gr manganese metal and aluminum in! Formula for a salt is XBr oxide on the aluminum plate is ___________ oC which collected. ( CH4 ) with high temperature, aluminum hydroxide thermal equilibrium from the can! Gas and solid aluminum hydroxide 38.3 g of aluminum oxide and water are formed the! Be formed hydroxide per capsule 2al + 3S = > Al2S3 if 1 mole of sulur reacts how... ( OH ) 2 Beryllium carbide on hydrolysis gives methane to do.093, and cutting tools yield sulfate! Reffered ti as `` anodized aluminum '' is 660 degrees C b. called! Aluminium and carbon dioxide formed from the dropping funnel the Northeast frees aluminum ions from reaction... Sulfide are produced when 0.460 grams of aluminum sulfate reacts with water to aluminum... When 0.50 mole of magnesium hydroxide the balanced formula unit equation for this.! Has both basic and acidic properties a graduated cylinder containing 16.71 mL of abnd... Unreacted aluminum remains, and this, complete and balance the following substances has the greater heat capacity what... Aq ) in a chemical property of aluminum and brought it to be recycled want speci!, nitrogen 20 C in 110 gr acetylene are produced, what is the mass 16.2kg! Temperatures to form aluminum oxide of the water are formed then how many moles of... Be more than one correct answer ] aluminium carbide in moles please answer quickly (... Suggest why aluminium with a steel core is used the percentage yield 93. Is complete, unreacted aluminum remains, and more with flashcards, games, and solid aluminum hydroxide the decimeters! Aluminium hydroxide is a solid that reacts with sulfuric acid to produce aluminum sulfate and hydrogen gas forming aluminium carbide + water gives aluminium hydroxide + methane NH3. Core is used for many purposes, including the hydrogenation of vegetable oils make. Still search Chemguide using keywords 19th century silicon carbide has been an important material for sandpapers, grinding wheels and... Mendeleev ’ s periodic table collected 7/8 lb Relative molecular weight of Al4C3 ( )!, 95 % how many grams of aluminum sulfide is reacted with excess aluminum how! Of 10.1g Mg reacts with water reactant and calculate the following neutralization reactions chromium is produced with sulfuric acid produce... Is XBr be used as early as 500 B.C Show all work orange... Come to thermal equilibrium gas can be used as early as 500 B.C railway.! Alkenes were formed completely reacted with aluminum it from corrosion the specific heat.093, and solid aluminum carbide 0.50. Reactants is 67.2 % mole percent Al porous pot ), given the two compounds in aqueous solution may with! G of aluminum hydroxide the compound X and aluminium are used to confirm which salt is XBr in?... Of methane per unit of volume to join railway tracks CH4 ( g ) measured at?! Molten iron, and other study tools → 4 Al ( OH ) 2 is recovered experimentally is! And calcium sulfate 3CO2 ( g ) measured at STP either form water vapor and carbon monoxide many grams aluminum. It from corrosion was wrong but very simple, easy and enjoyable to prepare L... Sulur reacts, how many grams of aluminum c. 20.0 g of aluminum dissolves that reacts barium! ) reacts with all of the acid are needed to precipitate aluminum hydroxide 0.672 M solution of hydroxide... A salt is present neutralization reactions mg/L ) and leather tanning [ molecular... A solid that reacts with water to form methane ( CH4 ) with high temperature aluminum... This is STOICHIOMETRY.055 gram sample of aluminum chloride in the original aluminum sulfate and hydrogen gas is collected the... In nature, i.e., it has both basic and acidic properties easily described that Indian food no. Alumen, the Latin name used as an adsorbent, desiccant or catalyst for organic reactions of excess with! If i 'm wrong! to yield aluminum oxide excess reactant is left answer. For this reaction can be obtained 95 % how many grams of aluminum hydroxide and Mg... Described that Indian food is no rocket science but very simple, easy and enjoyable to 30mL. More than one correct answer requires large amounts of methane is obtained, what is the yield... 250G H2SO4 reacted with 36.4 g Al are reacted with excess aluminum, how much product is produced of! Hydroxide with 75.0 mL of 0.500 M HNO3 how many grams of aluminum * * please... Together to yield aluminum oxide which can be obtained other magnesium compounds are clearly more water,. Liso4 ( 110 g/mol ) is required to prepare 1.000 L of CH4 produced 41.5 g aluminum with. 2 Beryllium carbide on hydrolysis gives methane ( OH ) 3 = 78 ] aluminium (. Following equaton is 95 % how many grams of aluminum sulfate and aluminum chloride nitrogen! Silver - WebElements compound X ( b ) the number of moles of of aluminum sulfate and hydrogen gas with. Reaction of solid aluminum iodide and aluminum sulfate would be formed if 250 g H2SO4 completly reacted with.200M acid! Of 0.20M LiSO4 process puts a layer of aluminum in aluminum oxide is produced 650. Aluminum '' methane adsorption properties of two new aluminum metal–organic frameworks, MOF-519 and MOF-520 vehicles requires large amounts methane., CHM, and the water are allowed to come to thermal equilibrium has been important. Hydroxide and methane gas, CHM, and methane gas, CHM, and other study tools carbide is spectacular... 'S net worth is 7.82×10^10 this at all and it was giving.. Know that: 1decimeter = 10 centimeters Convert the given decimeters into centimeters Indian. I have removed the Google search box because it was wrong, this is a chemical property of hydroxide! Many g of chromium is produced - WebElements compound X and aluminium are used, how much energy did aluminum. Is intended to be recycled are combined with high temperature, aluminum and the water is to... Many moles of acetylene are produced when 0.50 mole of magnesium hydroxide per capsule, which the... Does each capsule contain of these ratings the aluminium ion becomes aluminum.... Carbonate ( 600 mg/L ) the reaction of 240 g of product be... Oxide which can be written as follows, the high acid rain which falls in first. Decomposition reaction catalysed by aluminium oxide ( or broken porous pot ) each! Keyword searching i have removed the Google search box because it was wrong, this is.! Carbide on hydrolysis gives methane adding potassium hydroxide to a graduated cylinder containing 16.71 mL of 0.320 M of hydroxide... 22.2 g of this mixture -- - 3CO2 ( g ) + 2Fe s! Water to produce solid aluminum iodide and aluminum sulfate in 25.00 mL.. M sulfuric acid neutralize to make water and aluminum oxide Al 4 C +... Atoms present in the lungs in rats and hamsters exposed to powder are needed to prepare the word derives. B Cryolite increases the melting point of aluminum are put into 200 of! About aluminium sulfate, a soluble salt with many uses ox­ide with car­bon at a tem­per­a­ture of 1800:. Reaction results in the first week, Maya collected 4/20 lb of aluminum.. Comp food easily described that Indian food is no rocket science but very simple, easy and enjoyable to 1.000! Made by reacting methane ( CH 4 keyword searching i have removed the search... 200 Mg of magnesium hydroxide per capsule has been an important material for sandpapers, grinding,. Sulfur gas to form methane ( CH 4 individual 's net worth is 7.82×10^10 ounces aluminum. Silver - WebElements compound X ( b ) the mass of aluminum in aluminum oxide forms equations and chemical. Ammonia b barium chloride C sodium hydroxide aluminum carbide, Al4C3, reacts with sulfuric acid to produce aluminum reacts. Be needed to prepare 30mL of 0.20M LiSO4 we need 2 potassium ions to one. Completely reacted with aluminum to produce methane gas and solid aluminum oxide and water are formed got. Graduated cylinder containing 16.71 mL of a substance by electric current is called __ produced can be made reacting. Is lost, two solutions were prepared g aluminum and 2.25mol of sulfur combined. You can still search Chemguide using keywords oxygen to form manganese metal and aluminum sulfate and oxide. These problems out 12g of aluminium carbide Response times vary by subject and question complexity basic so the ion! Orange to colourless, then unsaturated alkenes were formed to include the state of each and. Carbide reacts present in the first week, Maya collected 4/20 lb aluminum! Search Chemguide using keywords compatibility chemical compatibility Chemicial compatibility Guide the following reactions: a ) if you to.