1 Provincial Exam Study Guide Unit 2: Chemical Reactions and Radioactivity Lionel Sandner Edvantage Press Ltd Sidney British Columbia Glen Fatkin North Surrey Secondary School SO2(g) + H2O(l) arrow H2SO3(aq), Determine whether or not the following equation represents a redox reaction. Double Replacement. b. acid You can specify conditions of storing and accessing cookies in your browser, Which statement best identifies and describes the oxidizing agent in the reaction? Question #55498. 2H+ + 2e- arrow H2 Balance the redox reaction: ClO3- + S2- arrow Cl- + S. Determine whether the following equation represents oxidation or reduction. dehydration, Nonvolatile solutes ____ the vapor pressure of a solution. Fe(s) + Br2(g) arrow FeBr3(s), Classify the following reaction: 2Cu(NO3)2(s) arrow 2CuO(s) + 4NO2(g) + O2(g) a. decomposition b. combination c. combustion, Classify the following reaction: 2NaClO3(s) arrow 2NaCl(s) + 3O2(g) a. decomposition b. combination c. combustion, Classify the following reaction: 2CH3OH(l) + 3O2(g) arrow 2CO2(g) + 4H2O(g) a. decomposition b. combination c. combustion, Classify the following reaction: 2K(s) + S(s) arrow K2S(s) a. decomposition b. combination c. combustion, Classify the following reaction: MgO(s) + CO2(g) arrow MgCO3(s) a. decomposition b. combination c. combustion, Which type of reaction is represented by the following equation? Which of the following would deviate the most from an ideal gas? What does a seismograph record? 2NaN3(s) arrow 2Na(s) + 3N2(g), Identify the following reaction as a combination reaction, a combustion reaction, a decomposition reaction, a single replacement reaction, a double replacement reaction, or an acid-base neutralization reaction. Ba2+, K+, PO43-, and NO3- Study with Quizlet and memorize flashcards containing terms like Which of the following ionic compounds is insoluble in water? K+ and NO3- Cu2S, Which of the following will be spectator ions in the reaction in aqueous solutions of silver nitrate and potassium chloride? Since there is an equal number of each element in the reactants and products of 2Al (S) + 3Br2 = 2AlBr3 (S), the equation is balanced. An aqueous solution of ammonium carbonate is allowed to react with an aqueous solution of barium chloride. We could not determine all the steps needed to balance the equation using trial and error. An oxidation-reduction reaction is any chemical reaction in which the oxidation number of a molecule, atom, or ion changes by gaining or losing an electron. In a full sentence, you can also say Al (aluminium) reacts with Br2 (bromine) and produce AlBr3 (Aluminium bromide), Aluminum (A) dissolves gradually and removes the orange color of the bromine solution (Br2). Fill in the blanks. Cu2CO3. c. hydrogen a decrease in temperature, Which of the following ionic compounds is soluble in water? e. acidic There are two types of electronic signals: analog and digital. How many atoms of hydrogen are in 3.5 mol of H2S? In other words, these species may be defined as such species which undergo atomic rearrangement during the reaction. Equations & Reactions. Ba2+ and NO3- Organic Chemistry. molarity. The Aluminum is oxidized from oxidation state 0 to 3. Cu2S, The equation 2Ag2O(s) 4Ag(s) + O2(g) is a(n) ______________ reaction. Magnitude measures the energy re CdCl2(aq) + Na2S(aq) arrow CdS(s) + 2NaCl(aq), Determine whether or not the following reaction is a redox reaction. Synthesis Reactions. 2H+ + 2e- arrow H2. form a second insoluble compound in the solution Determine the oxidation state of the atoms in the equation's reactants and products. 3.00 mol of O2 at STP occupies how much volume? oxidation-reduction V. decomposition, Classify the following reaction: A metal-nonmetal reaction can always be assumed to be an oxidation-reduction reaction. KIO3(aq) + KI(aq) + H2SO4(aq) arrow K2SO4(aq) + H2O(l) + I2(s), Determine whether or not the following reaction is an oxidation-reduction reaction. 3 CaSO4, An aqueous solution of sodium carbonate is allowed to react with an aqueous solution of magnesium chloride. ClO3- + Cl- arrow Cl2 + ClO2-, What is the equation for the redox reaction involving the following 2 equations? II. Explain why this is a redox reaction. Zn(s) + CuSO4(aq) arrow ZnSO4(aq) + Cu(s), Determine whether or not the following equation represents a redox reaction. The equation 2C2H6 + 7O2 4CO2 + 6H2O is an oxidation-reduction reaction. Aluminum foil added to bromine produces heat and flames. KCl(s) What is the excess reactant in the following reaction if you start with 50.0g of each reactant? Una reaccin qumica es una transformacin qumica en la cual dos o ms sustancias llamadas reactivos entra en contacto para dar lugar a otras sustancias diferentes llamadas productos. Al2(CO3)3 K+ and PO43-. 2KNO3, Which of the following ionic compounds is insoluble in water? (NH4)2CO3 What is the oxidizing agent in the following redox reaction? Cr2O72-(aq) + CH3OH(aq) arrow HCO2H(aq) + Cr3+(aq), Balance the following redox reaction in acidic solution: Sn2+ + IO4- arrow Sn4+ + I-, Balance the following redox reaction in acidic solution. Zinc reacts with iodine in a synthesis reaction: Zn + I2 Znl2. 2Al + 3Br2 = 2AlBr3 | Chemical Equation. Reaction Type. TlOH. Read each scenario and determine which diagnostic test is indicated to support the diagnosis. A chemical reaction equation must be ____ in order to make stoichiometric calculations. Na(s) arrow Na+(aq) + e- Cl2(g) + 2e- arrow 2Cl-(aq), Determine whether or not the following reaction is a redox reaction. K+ and PO43-, How many of the following are oxidation-reduction reactions? How many particles of Mg are in 10 moles of MgBr2? Both signals transmit information and dat Describe four priority topics you would address with S.R. 2Al(s) + 3Br2(l) 2AlBr3(s) Determine the overall convection heat transfer coefficient (inside and outside) of the tube. Calculators. when 2 nonmetals react, the compound formed is ionic, Which of the following ionic compounds is soluble in water? It's a redox reaction. Explain why. KNa(aq) Use gloves when handling bromine, and take care not to breathe any bromine fumes. There is no solid formed when the two solutions are mixed. K2SO4 2 What characteristics of each wave can you identify from its waveform. Createyouraccount. All rights reserved. Cu(s) + AgNO3(aq) arrow Ag(s) + Cu(NO3)2(aq), Determine whether the following reaction is an oxidation-reduction reaction. synthesis, Which of the following ionic compounds is soluble in water? Reaction is in the state of balance when Each type of atoms in both reactant and product side are . FeSO4 How many moles of Al are in 2.0 mol of Al2Br3? none of these. Redox (Oxidation-Reduction) Reaction AlBr3 = Al + Br2 might be a redox reaction. How are they different? Balance the redox reaction accordingly. 2Li(s) + 2H_2O(I) to 2LiOH(aq) + H_2(g), For the reaction below, classify as a combination, decomposition, single replacement, or double replacement. For example, C6H5C2H5 + O2 = C6H5OH + CO2 + H2O will not be balanced, but XC2H5 + O2 = XOH + CO2 + H2O will. What is the theoretical yield of Znl2, if 1.912 mol of zinc is used? BaCl2 The effect is enhanced by red bromine fumes present in the Update: thank u sooo much greg! 2H2O(l) + energy H2(g) + O2(g), What type of reaction is the following? Predict the type of reaction. 3Pb2+(aq) none of these, A reaction that involves a transfer of electrons is called a(n) ______________ reaction. \\ 2 AlN \rightarrow 2Al + N_2 \\ A) combination B) decomposition C) single replacement D) double replacement E) combustion, Classify the following reaction as a decomposition, combination or combustion reaction. How many cubic centimeters of water are in a metric ton of water? 2Na+(aq) a. 3Hg(NO3)2 + 2Al(OH)3 3Hg(OH)2 + 2Al(NO3)3. Explain. , Will give 100 points! Ba(CIO_3)_2 rightarrow BaCI_2 + 3O_2 combination (synthesis) decomposition displacement (single replacement) exchange (double replacement) CaO, Determine whether or not the following reaction is an example of a decomposition reaction. hydrochloric acid 3 Aqueous chlorine is added to a solution of aluminum bromide in a single replacement reaction which forms no precipitate and bromine liquid. The equation seems to be balanced but does not have integer coefficients. 2CrCl3(aq) + 3Na2C2O4(aq) arrow Cr2(C2O4)3(aq) + 6NaCl(aq), Determine whether or not the following equation represents a redox reaction. If you would like to attempt to guess the next steps, the final element counts in the balanced equation should be: Scroll down to see reaction info, how-to steps or balance another equation. NO3-(aq) (select all that apply) K2CO3(s) arrow K2O(s) + CO2(g) a. combination b. single replacement c. double replacement d. decomposition e. precipitation f. combustion g. acid-base, Classify the reaction given in: CaCO_3(s) to CaO (s) + CO_2 (g) (a) Single replacement (b) Double replacement (c) Synthesis (d) Decomposition (e) Combustion, Classify the following chemical reaction: O3 arrow O2 + O a. synthesis b. decomposition c. single displacement d. double displacement, Classify the following reaction: Cu(NO3)2(s) arrow CuO(s) + NO2(g) + O2(g) a. decomposition b. combination c. combustion d. none of the above, Classify the following reaction: Ba(s) + F2(g) arrow BaF2(s) a. decomposition b. combination c. combustion d. none of the above, Classify the following reaction: MgO(s) + CO2(g) arrow MgCO3(s) a. decomposition b. combination c. combustion d. none of the above, Classify the following reaction: HgO(s) arrow Hg(l) + O2(g) a. decomposition b. combination c. combustion d. none of the above, Classify the reaction given in: 2AgNO3(aq) + Na2S(aq) rightarrow Ag2S(s) + 2NaNO3(aq) a. single replacement b. double replacement c. synthesis d. decomposition e. combustion, Classify the following reaction: Al(s) + HNO3(aq) arrow Al(NO3)3(aq) + H2(g) a. single displacement reaction b. synthesis reaction c. decomposition reaction d. combustion reaction e. double displacement reaction, What is the classification for this unbalanced reaction? Handle hot glassware with care. Which type of bond results from the sharing of electrons between atoms? CH4 + 4O2- arrow CO2 + 2H2O + 8e-, Determine whether the following reaction is an oxidation reaction or a reduction reaction. Use uppercase for the first character in the element and lowercase for the second character. 2AgNO3(aq) + Mg(s) arrow Mg(NO3)2(aq) + 2Ag(s) Identify the type of reaction shown in the following chemical equation. H_2CO_3(aq) to CO_2(g) + H_2O(I), For the reaction below, classify as a combination, decomposition, single replacement, or double replacement. LiOH B. Al2S3 formation of a solid P4(s) + 5O2(g) arrow P4O10(s), Determine whether or not the following reaction is a redox reaction. Double Replacement. To get integer coefficients multiply all reactants and products by. 3 The last column of the resulting matrix will contain solutions for each of the coefficients. True or false, and why? The smallest arrangement of atoms in a crystal that has the same pattern as the crystal is called ____. increase, Nonvolatile solutes _____ the boiling point of a solution. 2Cr2O3 + 3Si arrow 4Cr + 3SiO2, Identify which reagent gets oxidized in the following redox reaction. Balance the redox reaction: ClO3- + S2- arrow Cl- + S. Determine whether the following equation represents oxidation or reduction. Combination b. Decomposition c. Single Replacement d. Double Replacement e. None of the choices are correct. synthesis Utiliza maysculas para el primer carcter en el elemento y minsculas para el segundo carcter. The number of moles of solute divided by liters of solution is called ____. undergoes an overnight screening oximetry study, which shows 143 episodes of desaturation ranging from 68% to 76% with episodes of apnea. Find the constants BBB and CCC in Andrade's equation for water, if it has been experimentally determined that =1.00(103)Ns/m2\mu=1.00\left(10^{-3}\right) \mathrm{N} \cdot \mathrm{s} / \mathrm{m}^2=1.00(103)Ns/m2 at a temperature of 20C20^{\circ} \mathrm{C}20C and that =0.554(103)Ns/m2\mu=0.554\left(10^{-3}\right) \mathrm{N} \cdot \mathrm{s} / \mathrm{m}^2=0.554(103)Ns/m2 at 50C50^{\circ} \mathrm{C}50C. Classify the following as a combination, decomposition, single replacement, double replacement, or combustion reaction. AgNO3(aq) + HCl(aq) arrow AgCl(s) + HNO3(aq), Balance the following redox reaction in basic solution: Au + CN- + O2 arrow Au(CN)4- + OH-, Balance the following redox reaction in basic solution: CrO42- + S2- arrow S + CrO2-, Balance the following redox reaction in basic solution. 2Al(s) + 3Br2(l) 2AlBr3(s) Note: Aluminum bromide also exists as Al2Br6. Determine the number of unpaired electrons, if any, in each.\, K4[FeF6]\mathrm{K}_4\left[\mathrm{FeF}_6\right] deconstructive synthesis single replacement double replacement and more. Write your answer on the space before the number. The oxidation state of Br is getting decreased while that of Al is getting increased. How many liters of hydrogen gas are required to react with 3.25 liters. both sides to have the same amount of atoms of each element, A reaction that gives off heat is what type of reaction? What conditions represent standard temperature and pressure? Balance Al + NiBr2 = AlBr3 + Ni by inspection or trial and error with steps. potassium hydroxide, Given the solubility rules from the book, which of the following metal hydroxides should be soluble in water? substitutue 1 for any solids/liquids, and P, rate = -1/2 * ([Al] / t) = -1/3 * ([Br, (assuming constant volume in a closed system and no accumulation of intermediates or side products). Aluminium + Nickel(Ii) Bromide = Aluminum Bromide + Nickel, (assuming all reactants and products are aqueous. Ni(s) arrow Ni2+(aq) + 2e-, Identify which reagent gets oxidized in the following redox reaction. A substance that, when dissolved in water, produces a solution that conducts electric current very efficiently is called. H2 + 2OH- arrow 2H2O + 2e-, Determine whether the following reaction is an oxidation reaction or a reduction reaction. 2CrO42- + 2H+ arrow Cr2O72- + H2O, Determine whether the following reaction involves oxidation and reduction. 3NO2(g) + H2O(l) arrow 2HNO3(aq) + NO(g), What element is the oxidizing agent in the following redox reaction? decomposition When the following equation is balanced in standard form, what is the coefficient in front of the H2O? 2NH4+(aq) Types Of Chemical Reaction. CuO + 2HCl -----> CuCl2 + H2O _____6. Catalysts are substances that speed up the pace (velocity) of a chemical reaction without being consumed or becoming part of the end product. In the given reaction, Oxidation state of Al changes from 0 to +3 . How many electrons are transferred in the following oxidation-reduction reaction? This would mean that the hydrogen gas is the limiting reactant and would dictate the theoretical . Once ignited, magnesium reacts rapidly and dramatically, reacting with oxygen from the air to create a fine magnesium oxide powder. ClNO3(aq) The mass in grams of 1 mol of any pure substance is: molar mass. {/eq}. KCN(aq) + HCl(aq) arrow HCN(aq) + KCl(aq). The amount of product that can be produced from a given amount of reactants based on stoichiometric calculations is: You calculate the theoretical yield of a chemical reaction starting with 50.0g of reactant is 25.0g of product. Ca2+(aq) KNO3 Since there is an equal number of each element in the reactants and products of 2Al + 3NiBr2 = 2AlBr3 + 3Ni, the equation is balanced. oxidation-reduction Interesting Information Only Few People Knows, If the equation too long, please scroll to the right ==>. phosphoric acid 4Au(s) + 8NaCN(aq) + O2 + 2H2O(l) 4NaAu(CN)2(aq) + 4NaOH(aq). For a redox reaction, identify the oxidizing agent and the reducing agent. The flow depth and velocity of water after undergoing a hydraulic jump are measured to be 1.1 m and 1.75 m/s, respectively. Catalysts have no effect on equilibrium situations. Replace immutable groups in compounds to avoid ambiguity. The complete ionic equation contains which of the following species (when balanced in standard form)?. It is a combination reaction. Fe(OH)3(s) arrow Fe2O3(s) + H2O(l), Determine whether or not the following equation represents a redox reaction. A metric ton is a thousand kilograms. The provider asks you to teach S.R. For a redox reaction, identify the oxidizing agent and the reducing agent. For a redox reaction, identify the oxidizing agent and the reducing agent. CO2, Which of the following is a correct mole ratio for the following equation? Balanced chemical reaction: 2Al + 3Br 2AlBr. The following are high-spin complexes. (select all that apply) Ca(s) + Cl2(g) arrow CaCl2(s) a. combination b. single replacement c. double replacement d. decomposition e. precipitation f. combustion g. acid-base, Classify the following reaction: 2C6H11OH(l) + 17O2(g) arrow 12CO2(g) + 12H2O(l) a. combination reaction b. decomposition reaction c. combustion reaction d. single-displacement reaction, Classify the following reaction: 2NaClO3(s) arrow 2NaCl(s) + 3O2(g) a. combination reaction b. decomposition reaction c. combustion reaction d. single-displacement reaction, Classify the following reaction: P4O10(s) + 6H2O(l) arrow 4H3PO4(aq) a. combination reaction b. decomposition reaction c. combustion reaction d. single-displacement reaction, Classify the following reaction: Fe2(CO3)2(s) arrow Fe2O3(s) + 2CO2(g) a. combination reaction b. decomposition reaction c. combustion reaction d. single-displacement reaction, Classify the following reaction: 2C(s) + MnO2(s) arrow Mn(s) + 2CO(g) a. combination reaction b. decomposition reaction c. combustion reaction d. single-displacement reaction, Classify the following reaction: Mg(OH)2(s) arrow MgO(s) + H2O(g) a. decomposition b. combination c. double displacement d. single displacement, Determine whether the following reaction is a synthesis, decomposition, combustion, single replacement, or double replacement reaction. All will be spectator ion P4 (s)+5O2 (g) P4O10 (s). Determine whether or not the following reaction is an example of a redox equation. It tells about the shape and characteristics of a signal in the form of a wave. acid-base Aluminum foil added to bromine produces heat and flames. False. In a chemical reaction, the statement that matter is neither created nor destroyed is based on what? Al + NiBr2 = AlBr3 + Ni might be a redox reaction. Cl- An aqueous solution of sodium sulfate is allowed to react with an aqueous solution of barium nitrate. precipitation 3O2 + 2CdS arrow 2CdO + 2SO2, Determine whether the following reaction is an oxidation-reduction reaction. 2SO42-(aq) 5Cl2(g) + 2Mn2+(aq) + 8H2O(l) arrow 10Cl-(aq) + 2MnO4-(aq) + 16H+(aq), Write balanced half-reactions for the following redox reaction: BiO3-(aq) + 3H2O(l) + C2O42-(aq) arrow Bi3+(aq) + 6OH-(aq) + 2CO2(aq). This may mean the chemical equation is too complex to use this method, or that the equation is invalid (e.g. Questions related to reactant Al (aluminium) What are the chemical and physical characteristic of Al (aluminium)? Classify the following reaction: {eq}2Al(s) + 3Br_2(g) \to 2AlBr_3(s) If the following reaction yields 5 mol NaAu(CN)2, how many moles of Au were present as reactants? a. covalent Examples: Fe, Au, Co, Br, C, O, N, F. Ionic charges are not yet supported and will be ignored. Characteristics of Analog and Digital Signals All other trademarks and copyrights are the property of their respective owners. sulfuric acid HCl(aq) + NaOH(aq) arrow H2O(l) + NaCl(aq), Determine whether or not the following reaction is a redox reaction. Ejemplos: Fe, Au, Co, Br, C, O, N, F. Las cargas inicas an no son . LiBr2 (aq) + 2NaOH (aq) ____. Get access to this video and our entire Q&A library, Redox (Oxidation-Reduction) Reactions: Definitions and Examples. What is the coefficient of the solid in the balanced equation (in standard form)? What is the coefficient of bromine in the equation 2Al(s) + 3Br2(l) 2AlBr3(s)? Pb(NO3)2(aq) + 2HCl(aq) arrow PbCl2(s) + 2HNO3(aq), Balance the redox reaction: I2 + HNO3 arrow HIO3 + NO2 + H2O, Balance the following redox reaction: HNO3 + H2S arrow NO + S + H2O, Which equation describes a redox reaction? 2AlBr3 2Al + 3Br2. Fe2(SO4)3 {eq}{\rm{2Al}}\left( {\rm{s}} \right) + {\rm{3B}}{{\rm{r}}_{\rm{2}}}\left( {\rm{g}} \right) \to Our experts can answer your tough homework and study questions. What type of reaction is the following? about lifestyle changes that he could make immediately to help with his situation. Equal volumes of gases at the same temperature and pressure contain equal numbers of particles is stated by: Which of the following is NOT one of the related physical properties described in the ideal gas law? A. the distance from the epicenter of an earthquake Fe^3+ + NO2^- + H2O arrow Fe^2+ + H^+ + NO3^-. Colligative properties of a solution depend on: two liquids that are soluble in each other, the number of moles of solute divided by kg of solvent, Cl2(g) + 2NO(g) 2NOCl is what type of reaction? 2AlBr3 (aq) = 2Al (s) + 3Br2 (l) might be an ionic equation. Count the number of atoms of each element on each side of the equation and verify that all elements and electrons (if there are charges/ions) are balanced. Ag+, K+, Cl-, and NO3- C. Magnitude measures the duration of the earthquake, while intensity measures the energy released by the earthquake. Pour about 7 pieces of aluminum foil into the beaker. 2NO3-(aq), Which of the following is NOT a strong acid or strong base? SO3(g) + H2O(l) arrow H2SO4(aq). An aqueous solution of potassium chloride is mixed with an aqueous solution of sodium nitrate. oxidation-reduction An aqueous solution of potassium sulfate is allowed to react with an aqueous solution of calcium nitrate. 2Al(s) + 3Br2(l) 2AlBr3(s), How many mole ratios can be written for the following reaction? We know that we want AlBr 3--> Br 2. So to answer your question: Aluminum bromide is produced by the reaction of aluminum metal with bromine liquid, according to the following balanced equation: 2 Al (s) + 3 Br2 (l) 2 AlBr3 (aq) If 10.0 grams of Al is added to 10.0 g of Br2, assuming the reaction has yielded 100% yield, calculate the mass (in grams) of . Two substances have the same percent by mass composition, but very different properties. none of these, CH4(g) + 2O2(g) CO2(g) + 2H2O(g) . What is the oxidizing agent in the reaction? Al is the oxidizing agent because its oxidation number increases. Question #115914. Double Replacement. 2Mg(s) + O2(g) 2MgO(s) If two variables are directly proportional, what happens to the value of one as the other decreases? The Chlorine is reduced from oxidation state 0 . (NH4)2CO3 Aluminium in form of powder. Describe the wave's frequency and wavelength as well as what the wav Can you determine the type of reaction if you see the entire balanced equation? NO3-(aq) How many atoms of oxygen are present in 7 mol of water? K2CO3 B. P waves cause damage, and S waves do not cause damage. These quantitative relationships are known as the reaction's stoichiometry, a term derived from the Greek words stoicheion (meaning "element") and metron (meaning "measure"). a. The amount of aluminium bromide produced is 2.93 moles The balance chemical equation can be represented as follows; 2Al + 3 Br 2AIBr let's find the limiting reagent .
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