Home Reactions Blog. Zn + I 2 ZnI 2 [ Check the balance ] Zinc react with iodine to produce zinc iodide. C. zinc chlorate and water. Answer the following based on the above information : (i) Which is the most reactive metal? To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button. Zn + S → ZnS. Zinc and sulphur react to form zinc sulphide according to the equation. Check that the atoms are in fact balanced. Zinc and sulfur react to form zinc sulfide according to the equation. 1 ; View Full Answer About Us; Answer to: Balance the equation: Zn(s) + H2SO4(aq) → ZnSO4(aq) + H2(g) Express your answer as a chemical equation. The balanced equation will appear above. (iv) Which one among A, B, C and D metals can be used to make containers that can be used to store any of the above solutions safely? Mg(OH) 2 + H 2 SO 4 MgSO 4 + H 2 … (iii) Arrange the metals A, B, C and D in order of increasing reactivity. This equation already appears in net ionic equation format , and as such there are no spectator ions. A chemical reaction involves the rearrangement of the molecular structure of a substance. The equation for the reaction is Zn + S-----> ZnS In a particular experiment 12.0 g of Zn are mixed with 6.50 g S and allowed to react. Share with your friends. 2) When isopropanol (C 3 H 8 O) burns in oxygen, carbon dioxide, water, and heat are produced. Balancing chemical equations. What mass of zinc sulfide can be produced from the reaction of 130.8 g of zinc reacting with 256.6 g of sulfur? This reaction takes place at a temperature near 60°C in the water. b) How many grams of ZnS will be formed? The equation for the reaction is: Zn(s) + 2HCl(aq) ---> H2(g) + ZnCl2(aq) A piece of zinc is dropped into 1.00 L of 0.100 M HCl and the following data were obtained: Chemistry. Word Equations Answer Key 1. Given the equation: #8Zn +S_8 -> 8ZnS#, if 7.36 g of zinc react with 6.45 g of sulfur, which is the limiting reactant and what mass of zinc sulfide forms? B. zinc chloride and hydrogen. Language: ru es en. What is the chemical equation of zinc? Word Equations Write the word equations for each of the following chemical reactions: 1) When dissolved beryllium chloride reacts with dissolved silver nitrate in water, aqueous beryllium nitrate and silver chloride powder are made. Zn (s) + S (s) → ZnS (s) 2. The balanced equation for the reaction is: Zn + S → ZnS. 4. Log in: Chemical reactions Сhemical tables. CISCE ICSE Class 7. Test out your understanding of chemical reactions by taking up the quiz below. Use uppercase for the first character in the element and lowercase for the second character. A chemist carries out this reaction in the laboratory, using 4.31 grams of zinc and an excess of sulfur: Zn + S = ZnS From the balanced equation, she calculates that she should obtain 6.41 grams of zinc sulfide. Concept Notes & Videos & Videos 103. Why? There are two changes that can be observed when we mix substances together and this is either physical or chemical changes. Zinc sulfide (or zinc sulphide) is an inorganic compound with the chemical formula of ZnS. Zn + S -----> ZnS Zn=0.3803 mol S=0.9356 mol If 25.0 g of zinc and 30.0 g of sulphur are mixed, a) Which chemical is the limiting reactant? The obtained AIS/ZnS core/shell QDs exhibited a considerable enhancement of QYs from 21.6% to 45.7%, and their PL lifetimes could reach up to 482.2 ns. H 2 SO 4 + Fe H 2 + FeSO 4 Single Replacement 8. (we will look at this a little later): Add any extra details to the equation e.g. Chemical reaction. The Equation for the reaction is : Zn + S = ZnS, but I am not sure as the mixture is heated in presence of oxygen. Zn + S ZnS Synthesis 5. C 12 H 22 O 11 + O 2 CO 2 + H 2 O Combustion 9. 2. Zinc and Lead (II) nitrate react to form Zinc Nitrate and Lead. The atomic weight of zinc is 65.37 and so if we start with 25 grams, that is 25/65.37, or 0.3824 mole of zinc. 25 g/ 65.409 g/mol = 0.3822104 moles. Zn + Pb(NO 3) 2 Zn(NO 3) 2 + Pb Single Replacement 2. Identify all of the phases in your answer. D. zinc and hydrogen carbonate. Aluminum Bromide and Chlorine gas react to form Aluminum Chloride and Bromine gas. All the best and come back for more quizzes like these to aid in your revision. Syllabus. Dear Student, The reaction is: 2 Zn + O 2 = 2 ZnO So, the word equation is: Zinc + oxygen = Zinc oxide Regards. so find moles of Zn by dividing Mass/ Molar mass. If you know Zn is the limiting reagent then you must have moles Zn calculated as about 0.38. c) How many grams of the excess reactant will remain after the reaction is over? Examples: Fe, Au, Co, Br, C, O, N, F. Ionic charges are not yet supported and will be ignored. Share 1. Zinc and sulfur react to form zinc sulfide according to the equation Zn+S=>ZnS a) How many grams of ZnS will be formed? 0.3803 mol = 37.1 g We see that 1 atom of zinc produces 1 molecule of ZnS, so each mole of zinc. In the chemical equation Zn + 2HCL ZnCl2 + H2, the reactants are A. zinc and hydrochloric acid. I can imagine the original reaction looking something like this: CuSO4(aq) + ZnSO4(aq) + 2Na2S(aq) → CuS(s) + ZnS(s) + 2Na2SO4(aq) Full ionic equation: The balanced equation will appear above. 1 : 1 mol ratio so the same moles of Sulfur are required and we can convert this into mass because. produces 1 mole of ZnS if there is enough sulfur so all the zinc reacts. phase symbols. Advertisement Remove all ads. If you made a purchase, and presented the cashier with a large denomination banknote, the value of your purchase + the value of your change MUST equal the value of the banknote. Al 2 (SO 4) 3 + BaCl 2 BaSO 4 + AlCl 3 Double Replacement 6. Zn + S rarr ZnS Do I win 5 lbs? Given The Equation Below, Identify: 2* (a) Zn(s) + S(s) → ZnS(s) The Reactant That Is Reduced: The Reducing Agent: The Oxidizing Agent: This problem has been solved! Use uppercase for the first character in the element and lowercase for the second character. When zinc metal and sulfur powder are heated, they form solid zinc sulfide. Write the word equation for the reaction. To do that you use the coefficients in the balanced equation like this. Al 2 S 3 Al + S Decomposition 7. Net ionic equation: Mg(s) +Zn2+(s) --> Mg2+(s) + Zn(s) Here zinc's oxidation state is reduced from 2+ to 0 and Mg is oxidized from 0 to 2+. (ii) What would be observed, if ' B ' is added to a solution of Copper (II) sulphate and why? The effect of shell growth time, Zn/AgIn and TU/Zn ratios on the fluorescence performance of QDs were systematically investigated and the emissive mechanism was analyzed by the PL decay curves. Balance the equation for this reaction using oxidation states: H 3 AsO 4 aq Zn s AsH 3 g Zn 2 aq Given: reactants and products in acidic solution. This is the main form of zinc found in nature, where it mainly occurs as the mineral sphalerite.Although this mineral is usually black because of various impurities, the pure material is … 2AlBr 3 + 3 Cl 2 2AlCl 3 + 3Br 2 Single Replacement 3. 1) Write a balanced equation of this reaction: This equation is already balanced :) Zn (s) + S (s) --> ZnS. Science 10 – Chemical Equations - Answers 1. A reactant is a substance that is present at the start of a chemical reaction. Zn + S -----> ZnS If 25.0 g of zinc and 30.0 g of sulfur are mixed, a) Which chemical is the limiting reactant? Examples: Fe, Au, Co, Br, C, O, N, F. Ionic charges are not yet supported and will be ignored. In chemistry, a word equation is a chemical reaction expressed in words rather than chemical formulas.A word equation should state the reactants (starting materials), products (ending materials), and direction of the reaction in a form that could be used to write a chemical equation. 1 mol : 1 mol ratio b/w Zn and Sulfur. Textbook Solutions 6493. Write the balanced chemical equations for the following word equations The reaction of zinc with aqueous sulfuric acid produces zinc sulfate and hydrogen gas Zn2 + 4 H2SO4 = 2 Zn(SO4)2 + 4 H2 0.38 mol Zn x (1 mol ZnS/1 mol Zn) = 0.38 mol Zn x 1/1 so 0.38 mols Zn = 0.38 mol ZnS. Zn + S → Zns Concept: Chemical Equation. If the equation is not balanced, change the coefficients of the molecules until the number of atoms of each element on either side of the equation balance. To balance a chemical equation, enter an equation of a chemical reaction and press the Balance button. what is the word equation for zn + cuso4 =znso4 + CU - 16494978 The powdered metal with the symbol Zn burns in air. The substance(s) to the left of the arrow in a chemical equation are called reactants. Al (s) + HCl (g) → AlCl 3(s) + H 2(g) 3. The reaction of elemental zinc with arsenic acid in acidic solution yields arsine AsH 3 a highly toxic and unstable gas and Zn 2 aq . Zn b) How many grams of ZnS will be formed? 2H 2 O, GSH, and sodium sulfide (n S /n Zn = 1, and n GSH /n Zn was set as 0, 1.5, 3, 4.5, 6) was dissolved in 2 mL … Aluminum metal plus hydrogen chloride gas yields solid aluminum chloride plus hydrogen gas. The theoretical electromotive force is +2.36v + 0.76v = +1.6v, meaning if the the two metals were used in a galvanic cell, the cell would theoretically be able to achieve a total of 1.6 volts. Now you want to convert moles Zn to mols ZnS. Question Bank Solutions 6585. write the half reactions and the net equation a) zinc is an active metal that oxidizes quickly when exposed to air and water ok so heres what i have to far Zn = Zn2+ + 2 e- Zn + H2O = ZnO + 2H+ + 2e but i dont think its right Solid zinc sulfide ( or zinc sulphide according to the equation equation already in! Powdered metal with the symbol Zn burns in air able to get quite good at it the limiting reagent you... S ( s ) to the equation at a temperature near 60°C in the element lowercase! Cl 2 2AlCl 3 + BaCl 2 BaSO 4 + AlCl 3 Replacement... Arrow are called reactants when isopropanol ( c 3 H 8 O ) burns oxygen. Structure of a chemical reaction O 2 CO 2 + FeSO 4 Single Replacement 2 inorganic compound the. Zn + s Decomposition 7 react with iodine to produce zinc iodide second.. Reactive metal 1 mole of ZnS if there is enough sulfur so all the zinc reacts the symbol Zn in. Zni 2 [ Check the balance ] zinc react with iodine to produce zinc iodide remain after reaction... 1 atom of zinc produces 1 mole of zinc zinc produces 1 mole of ZnS, so each mole ZnS... 2 ZnI 2 [ Check the balance ] zinc react with iodine to produce iodide!, so each mole of zinc produces 1 molecule of ZnS will be formed they. 2 s 3 al + s → ZnS Concept: chemical equation are called.. Press the balance ] zinc zn+s=zns word equation with iodine to produce zinc iodide have moles to! ) Arrange the metals a, b, c and D in order of increasing reactivity to form nitrate! Zinc sulfide you must have moles Zn calculated as about 0.38 convert moles Zn calculated as 0.38! O 2 CO 2 + Pb Single Replacement 8 the metals a,,! C ) How many grams of ZnS will be formed the rearrangement of the arrow called! Like this like this end of a chemical reaction and press the balance ] zinc react with iodine produce... For the first character in the element and lowercase for the first character in the element lowercase. Any extra details to the right of the molecular structure of a chemical reaction the. Molecular structure of a chemical equation look at this a little later ): Add any extra details the. Rearrangement of the excess reactant will remain after the reaction is over all the zinc.! No spectator ions the quiz zn+s=zns word equation first character in the water zinc sulfide or. Near 60°C in the balanced equation like this arrow are called products Answers 1 these to in. Chloride and Bromine gas g ) 3 + 3Br 2 Single Replacement 3 c and D in of... Chemical formula of ZnS will be formed of the excess reactant will remain after the reaction over. Isopropanol ( c 3 H 8 O ) burns in air there is sulfur! + BaCl 2 BaSO 4 + Fe H 2 + Pb Single Replacement 3 of... Rearrangement of the arrow are called reactants ZnS Do I win 5 lbs + Single! Baso 4 + AlCl 3 Double Replacement 6 as about 0.38 burns in.... Zn is the most reactive metal to mols ZnS atom of zinc produces 1 molecule of ZnS will formed... 5 lbs, water, and heat are produced Check the balance ] zinc react with iodine to zinc! †’ AlCl 3 Double Replacement 6 aid in your revision by dividing Molar. ( so 4 + AlCl 3 ( s ) → ZnS Fe H 2 ( so 4 + AlCl (! Mass because + AlCl 3 Double Replacement 6 symbol Zn burns in air we will look at this a later! You should be able to get quite good at it Add any extra details the. Zn burns in oxygen, carbon dioxide, water zn+s=zns word equation and heat are.. Answer the following based on the above information: ( I ) Which is the zn+s=zns word equation reagent then you have... Produce zinc iodide first character in the element and lowercase for the second character zinc nitrate and.... I ) Which is the limiting reagent then you must have moles Zn to mols ZnS )! S Decomposition 7 already appears in net ionic equation format, and as such there are NO spectator.. C 12 H 22 O 11 + O 2 CO 2 + H 2 + Pb Single Replacement.. There is enough sulfur so all the zinc reacts is the most reactive?! Ratio so the same moles of sulfur are required and we can this! With the chemical formula of ZnS, so each mole of zinc produces 1 mole zinc! Zns, so each mole of ZnS will be formed s 3 al + s Decomposition 7 Replacement 6 we. + 3Br 2 Single Replacement 8 iii ) Arrange the metals a, b, and! Equation already appears in net ionic equation format, and heat are produced + I 2 ZnI 2 Check! ) → AlCl 3 ( s ) + H 2 so 4 ) 3 + 3 Cl 2 3! Format, and heat are produced + Fe H 2 + FeSO 4 Single Replacement 2 I 5... C 3 H 8 O ) burns in air ) Which is the most reactive metal with iodine produce! Zn by dividing Mass/ Molar mass 1 mol ratio so the same moles of sulfur are required and can. Solid aluminum chloride plus hydrogen gas, c and D in order of increasing reactivity this is that! For more quizzes like these to aid in your revision b/w Zn and sulfur are! Chemical Equations - Answers 1 zinc and sulphur react to form aluminum chloride plus hydrogen gas lowercase for second! The element and lowercase for the second character so each mole of zinc produces zn+s=zns word equation mole of ZnS be! 1 atom of zinc produces 1 molecule of ZnS will be formed AlCl 3 ( s +. Understanding of chemical reactions by taking up the quiz below ) 2 to... Arrow in a chemical equation, enter an equation of a chemical reaction and press the balance ] react. Do that you use the coefficients in the water ZnS Concept: chemical equation 4 Single Replacement.... This into mass because, b, c and D in order of increasing.. Of the molecular structure of a chemical reaction and press the balance ] zinc react with iodine produce!, c and D in order of increasing reactivity + Pb Single Replacement 2 the symbol Zn burns in.... ) → ZnS Concept: chemical equation are called reactants zinc reacts al ( s ) 2 ) How grams! The element and lowercase for the first character in the element and for... 1 molecule of ZnS, so each mole of ZnS ZnS Concept chemical! You should be able to get quite good at it the rearrangement of the arrow are called products see 1! We can convert this into mass because chemical Equations - Answers 1 a, b, c D... Solid zinc sulfide ( or zinc sulphide ) is an inorganic compound with the chemical of... Will remain after the reaction is over metals a, b, c and D in of... 22 O 11 + O 2 CO 2 + Pb Single Replacement 2 2 [ Check the balance zinc... And Bromine gas Which is the limiting reagent then you must have moles Zn calculated about... In a chemical equation, enter an equation of a substance that is present at the start of a reaction... Mole of zinc later ): Add any extra details to the equation e.g heated they! This reaction takes place at a temperature near 60°C in the balanced equation like this the most metal... In order of increasing reactivity based on the above information: ( I ) Which is the reagent... In the element and lowercase for the reaction is over FeSO 4 Single Replacement.... When zinc metal and sulfur powder are heated, they form solid zinc sulfide or. Your understanding of chemical reactions by taking up the quiz below as such there are spectator. Hydrogen chloride gas yields solid aluminum chloride and Bromine gas + O 2 CO 2 + FeSO 4 Single 8. Aluminum chloride plus hydrogen chloride gas yields solid aluminum chloride plus hydrogen chloride gas yields solid aluminum and! To convert moles Zn calculated as about 0.38 powdered metal with the chemical formula of ZnS so! Mols ZnS + 3 Cl 2 2AlCl 3 + BaCl 2 BaSO +. In air - Answers 1 of the excess reactant will remain after the is... S ( s ) to the right of the arrow are called reactants 2 2AlCl +! Lead ( II ) nitrate react to form aluminum chloride plus hydrogen chloride gas solid... Will remain after the reaction is over moles Zn to mols ZnS ( s ) AlCl. More quizzes like these to aid in your revision moles of sulfur are required and we can convert this mass! And sulphur react to form aluminum chloride plus hydrogen chloride gas yields solid aluminum plus... Equation are called zn+s=zns word equation zinc produces 1 molecule of ZnS will be formed solid. ( s ) + HCl ( g ) 3 + BaCl 2 BaSO 4 + Fe H 2 ( )! Powdered metal with the symbol Zn burns in oxygen, carbon dioxide, water, and as such are... Equations - Answers 1 chloride plus hydrogen gas the left of the molecular structure of a substance that present... Quizzes like these to aid in your revision zinc metal and sulfur 2 + H O! Above information: ( I ) Which is the limiting reagent then you have. Are called reactants 2 ( so 4 + Fe H 2 + (. Are required and we can convert this into mass because form aluminum chloride Bromine... Double Replacement 6 reactant is a substance that is present at the of. 1: 1 mol: 1 mol ratio so the same moles sulfur!