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? combustion combustion {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. 2MgO(s) + O2(g) arrow 2MgO(s), Is the following reaction a redox reaction? This may mean the chemical equation is too complex to use this method, or that the equation is invalid (e.g. The equation 2Al(s) + 3Br2(l) 2AlBr3(s) is a(n) ______________ reaction. You can specify conditions of storing and accessing cookies in your browser, Which statement best identifies and describes the oxidizing agent in the reaction? CaCO3 Solids with no repeating pattern are ____. (select all that apply) 2CH3OH(l) + 3O2(g) arrow 2CO2(g) + 4H2O(l) a. combination b. single replacement c. double replacement d. decomposition e. precipitation f. combustion g. acid-base, Classify the following reaction: 3Fe(s) + 4H2O(g) arrow Fe3O4(s) + 4H2(g) a. combination b. decomposition c. single displacement d. double displacement, Classify the following reaction: 2Fe2O3(s) + 3C(s) arrow 4Fe(s) + 3CO2(g) a. combination b. decomposition c. single displacement d. double displacement, Classify the following reaction: MgI2(ag) + Pb(NO3)2(aq) arrow Mg(NO3)2(ag) + PbI2(s) (select all that apply) a. combination b. precipitation c. single replacement d. double replacement e. combustion f. acid-base g. decomposition, Classify the following reaction: KOH(aq) + HClO4(aq) arrow KClO4(aq) + H2O(l) (select all that apply) a. combination b. precipitation c. single replacement d. double replacement e. combustion f. acid-base g. decomposition, Classify the following reaction: 2HgO(s) arrow 2Hg(l) + O2(g) a. decomposition b. combination c. double displacement d. single displacement, Classify the following reaction: 2KClO3(s) arrow 2KCl(s) + 3O2(g) a. decomposition b. combination c. double displacement d. single displacement, Classify the following reaction: 4Fe(s) + 3O2(s) arrow 2Fe2O3(s) a. decomposition b. combination c. double displacement d. single displacement, Classify the following reaction: S8(s) + 8O2(s) arrow 8SO2(g) a. decomposition b. combination c. double displacement d. single displacement, Classify the following reaction: Mg3N2(s) + 6H2O(l) arrow 3Mg(OH)2(aq) + 2NH3(g) a. decomposition b. combination c. double displacement d. single displacement, Classify the following reaction: 3Mg(s) + N2(g) arrow Mg3N2(s) a. decomposition b. combination c. double displacement d. single displacement, For the reaction below, classify as a combination, decomposition, single replacement, or double replacement. Can you determine the type of reaction if you see the entire balanced equation? An oxidizing agent is a specie which accepts electrons and gets reduced in a chemical reaction. 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? 2Al + 3Br2 2AlBr3 Al is the oxidizing agent because its oxidation number increases. and documents a long soft palate, recessed mandible, and medium-sized tonsils. both sides to have the same amount of atoms of each element, A reaction that gives off heat is what type of reaction? acid-base H2 + 2OH- arrow 2H2O + 2e-, Determine whether the following reaction is an oxidation reaction or a reduction reaction. What does a seismograph record? How are the waveforms similar? What characteristics of each wave can you identify from its waveform. The transfer of energy from one object to another at a lower temperature is ____. 4.1. 2AlBr3 2Al + 3Br2. A substance that, when dissolved in water, produces a solution that conducts electric current very efficiently is called. 2MnO2 + 2K2CO3 + O2 arrow 2KMnO4 + 2CO2 A. Mn B. O C. K D. C, Is the following unbalanced reaction a redox-reaction or a non-redox reaction? Oxidation number shows the degree of oxidation of an atom in a chemical compound. The effect is enhanced by red bromine fumes present in the reaction container. 4H2(g) + O2(g) 2H2O(l). 4 C2H2(g) + Br2(l) arrow C2H2Br2(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. These have oxidizing agent as well as reducing agent. The Aluminum is oxidized from oxidation state 0 to 3. 2 3Hg(NO3)2 + 2Al(OH)3 3Hg(OH)2 + 2Al(NO3)3. about lifestyle changes that he could make immediately to help with his situation. Privacy Legal & Trademarks Campus Map, Lecture Demonstration Manual General Chemistry, S124: Chemical Rxns Synthesis 2Al(s) + 3Br2(l) 2AlBr3(s), S115: Stoichiometry Limiting Reagents : Mg + HCl, S120: Chemical Rxns Synthesis & Decomposition Zn & I2, S128: Chemical Rxns Synthesis 2Al(s) + 3I2(s) 2AlI3(s), S130: Chemical Rxns Precipitation CaCl2 + Na2CO3 -> CaCO3, S135: Chemical Rxns Precipitation Pb(NO3)2 + KI PbI2(s), S140: Chemical Rxns Combustion H2 and He Balloon Explosions, S145: Chemical Rxns Combustion The Exploding H2 Bottle or Hydrogen Cone, S150: Chemical Rxns Crystallization Saturated Sodium Acetate, S160: Chemical Rxns Dehydration Dehydration of Sugar, S170: Chemical Rxns Complex Ions Invisible Signs, S180: Nomenclature Demonstration of Common Compounds, S190: Chemical Rxns Removing the Iron from Total Cereal. oxidation-reduction Which of the following ionic compounds is soluble in water? if i have 17 apples and i eat 17 apples how many pears do i have? 2AlBr3 (aq) = 2Al (s) + 3Br2 (l) might be an ionic equation. Simple Combination. A chemical reaction equation must be ____ in order to make stoichiometric calculations. Redox reactions are common and vital to some of the basic functions of life, including photosynthesis, respiration, combustion, and corrosion or rusting. N H 3 ( g ) + H C l ( g ) N H 4 C l ( s ). All rights reserved. Consider the following unbalanced redox reaction: Cr2O72-(aq) + NO2- (aq) arrow Cr3+(aq) + NO3-(aq). Explain. Atoms are in their lowest energy state at what temperature? The complete ionic equation contains which of the following species (when balanced in standard form)?. a. A. Explanation: The ideal environmental conditions for a reaction, such as temperature, pressure, catalysts, and solvent. Determine whether the reaction is a redox reaction. How are P waves different from S waves? KNO3(aq) + HCl(aq) arrow KCl(aq) + HNO3(aq), Is the following reaction a redox reaction? "Highest hazard" locations are better prepared for an earthquake than the "lowest hazard" locations. They must have the same ____. What is a redox reaction (oxidation reduction reaction)? HBr(aq) + Na2S(aq) arrow NaBr(aq) + H2S(g), Determine whether or not the following reaction is a redox reaction. Understand there are many chemical reactions in everyday life and discover some examples of chemical changes. If so, which element is reduced? Intense heat and flames are produced by this reaction. decomposition 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. This would mean that the hydrogen gas is the limiting reactant and would dictate the theoretical . 2H2(g) + O2(g) 2H2O(g). What are the chemical and physical characteristic of AlBr3 (Aluminium bromide)? Predict the type of reaction. Therefore, moles of Al = 5.6 / 2 = 2.8 moles of Br = 4.4 / 3 = 1.46666666667 Bromine is the limiting reagent. La ecuacin balanceada aparecer arriba. How do you determine if {eq}2Al(s) + 3Br_2(l) \to 2AlBr_3(s) FeSO4 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. single replacement 3O2 + 2CdS arrow 2CdO + 2SO2, Determine whether the following reaction is an oxidation-reduction reaction. If 8 mol of H2 is used, how many moles of Fe will be produced? -algia, On the basis of the general solubility rules given in Table 7.1, predict which of the following substances are likely to be soluble in water. acid-base 4 The following equation is what type of reaction? Explain why. Replace immutable groups in compounds to avoid ambiguity. S.R. 2H2 + O2 -->2H2O Lithium reacts with nitrogen to form lithium nitride. Mg(s) + 2AgNO3(aq) arrow Mg(NO3)2(aq) + 2Ag(s) a. single replacement b. double replacement c. synthesis d. decomposition, Which type of reaction is represented by the following equation? Interesting Information Only Few People Knows, If the equation too long, please scroll to the right ==>. Since there are an equal number of atoms of each element on both sides, the equation is balanced. Can you determine the type of reaction if you see the entire balanced equation? {/eq}. 2KNO3, Which of the following ionic compounds is insoluble in water? II. 2NaHCO3 Na2CO + CO2 + H2O. C6H12O6(s) + 6O2(g) arrow 6CO2(g) + 6H2O(l), Determine whether or not the following equation represents a redox reaction. Ag+ and Cl- a. potassium hexacyanoferrate(III), $\text{K}_3\text{Fe(CN)}_6$. 1/2O2 + H2O + 2e- arrow 2OH-, Which of the following reactions are redox reactions? 2Al + 3 Br 2 2 AlBr 3 A) Al is oxidized and Br 2 is reduced. Ions that are present in a solution and do not participate in a chemical reaction when another substance is added are called ____. Ca2+(aq) 4 C. 3 D. 2 Which is not a product that must be produced in a double replacement reaction? transfer of electrons If it were instead $\ce {Al2Br6}$, that would indicate a different formula unit - it would imply a different compound. True; the carbon is oxidized, and the hydrogen is reduced. Ni(s) arrow Ni2+(aq) + 2e-, Identify which reagent gets oxidized in the following redox reaction. Use these data and Hesss law to determine the enthalpy of vaporization for water. Determine the flow depth and velocity before the jump, and the fraction of mechanical energy dissipated. Whereas oxidation state of Br is changing from -2 to -3 this means Br is gaining electrons, therefore, it is an oxidizing agent. Therefore, double-displacement Question: What is oxidized and what is reduced in the following reaction? there is no solid formed when the 2 solutions are mixed, The reaction AgNO3(aq) + NaCl(aq) AgCl(s) + NaNO3(aq) is a(n) ______________ reaction. K2CO3 ClNO3(aq) . Examples: Fe, Au, Co, Br, C, O, N, F. Ionic charges are not yet supported and will be ignored. Question #55498. AlBr3 is oxidized and Al is reduced. Classify the following reaction: {eq}2Al(s) + 3Br_2(g) \to 2AlBr_3(s) undergoes an overnight screening oximetry study, which shows 143 episodes of desaturation ranging from 68% to 76% with episodes of apnea. dehydration, Nonvolatile solutes ____ the vapor pressure of a solution. Balance the following redox reaction: NO2- arrow NO + NO3-, Balance the following redox reaction in acidic solution. {/eq} is a redox reaction? Both signals transmit information and dat Two substances have the same percent by mass composition, but very different properties. Cu(OH)2 precipitation Also known as a synthesis reaction. Use gloves when handling bromine, and take care not to breathe any bromine fumes. acid-base Ba2+ and NO3- Na2SO4 2NH4+(aq) We know that we want AlBr 3--> Br 2. K+ and PO43-, How many of the following are oxidation-reduction reactions? Use uppercase for the first character in the element and lowercase for the second character. A first order reaction has a half-life of 5.0 seconds. 2Al (s)+3Br2 (g) 2AlBr3 (s) Classify as a combination, decomposition, single replacement, double replacement, or combustion reaction: Expert's answer. hydrochloric acid PbSO4, Which of the following will be spectator ions in the reaction in aqueous solution of barium nitrate and potassium phosphate? NH4Cl CaS C. Magnitude measures the duration of the earthquake, while intensity measures the energy released by the earthquake. Certain acids will react with certain metals (H2SO4 and Al for example) to produce hydrogen gas and some kind of salt. 2Na+(aq) Ba(NO3)2(aq) + K2CrO4(aq) arrow BaCrO4(s) + 2KNO3(aq), Classify the following as a combination, decomposition, single replacement, double replacement, or combustion reaction. Examples: Hydrogen reacts with oxygen to form water. For a redox reaction, identify the oxidizing agent and the reducing agent. 3Cl2(g) + 2Fe(s) arrow 6Cl-(aq) + 2Fe3+(aq), Balance this redox reaction: MnO4^-(aq) + Al(s) arrow Mn^2+(aq) + Al^3+(aq), Identify which reagent gets oxidized in the following redox reaction. manufacturing The given reaction is the manufacturing or synthesis reaction. Double Replacement. K+ and PO43-. When a metal reacts with a nonmetal, an ionic compound is formed. c. hydrogen Choose 1 type of electromagnetic wave. Compound states [like (s) (aq) or (g)] are not required. The balanced equation will appear above. Learn with flashcards, games, and more for free. A hydrate that has been heated and the water driven off is called: The molar mass of an element is numerically equivalent to what? How many water molecules are associated with 3.0 mol of CoCl2 6H2O? 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. 2Mg(s) + O2(g) 2MgO(s) Chemical Equation Balancer . If the following reaction yields 5 mol NaAu(CN)2, how many moles of Au were present as reactants? 4Au(s) + 8NaCN(aq) + O2 + 2H2O(l) 4NaAu(CN)2(aq) + 4NaOH(aq), In the following reaction, how many moles of NaCN are required to react with 5 mol of Au? How many atoms of oxygen are present in 7 mol of water? 2Al(s) + 3NiBr2(aq) = 2AlBr3(aq) + 3Ni(s) might be an ionic equation. . The limiting reagent determines the amount of product. 3NO3- What is the coefficient of the solid in the balanced equation (in standard form)? Determine whether the following reaction is an oxidation reaction or a reduction reaction. c. the charge on each atom is the same in reactants and products. 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. Explain. Since there is an equal number of each element in the reactants and products of 2Al + 3NiBr2 = 2AlBr3 + 3Ni, the equation is balanced. increase, Nonvolatile solutes _____ the boiling point of a solution. \\ 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. In the given reaction, Oxidation state of Al changes from 0 to +3 . 3 mol Br2 : 2 mol Al C. 2 mol AlBr3 : 1 mol Br2 D. 2 mol Br : 2 mol Al 10. Thus, we can conclude that the statement is the oxidizing agent because its oxidation number decreases. -NaCl - CaCl2 -FeCl3 -BaCl2 - PbCl2, The equation 2Al(s) + 3Br2(l) 2AlBr3(s) is a(n) _____ reaction. 2Cu(s) + O_2(g) to 2CuO(s), For the reaction below, classify as a combination, decomposition, single replacement, or double replacement. You can use parenthesis () or brackets []. C. There will definitely be an earthquake in the "highest hazard" location. 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? oxidation F e + H C l F e C l 3 + H 2 (a) combustion (b) combination (c) decomposition (d) single replacement (e) double replacement, Identify the single-replacement reaction that will occur: Pb(s) + ZnCl2(aq) arrow, Identify the single-replacement reaction that will occur: Al(s) + HBr(aq) arrow, Identify the single-replacement reaction that will occur: K(s) + H2O(l) arrow, What type of reaction is represented by the following chemical equation? 3 Na6FeCl8(s) + 2Na(l) arrow 8NaCl(s) + Fe(s), Determine whether or not the following equation represents a redox reaction. Identify the solid in the balanced equation. Learn about redox reaction examples, balancing redox reactions, and the redox reaction definition. Calculators. 2 Classify the following reaction as decomposition (D), combination (C), single-replacement (SR), or double-replacement (DR). The algebraic method is likely better suited for balancing this equation. The oxidation state of all elements in the reaction is as follows: {eq}{\rm{2}}\mathop {{\rm{Al}}}\limits^0 + {\rm{3}}\mathop {{\rm{B}}{{\rm{r}}_{\rm{2}}}}\limits^0 \to {\rm{2}}\mathop {{\rm{Al}}}\limits^{ + 3} \mathop {{\rm{B}}{{\rm{r}}_{\rm{3}}}}\limits^{ - 1} An aqueous solution of potassium chloride is mixed with an aqueous solution of sodium nitrate. Provincial Exam Study Guide Unit 2: Chemical Reactions and Radioactivity Lionel Sandner Edvantage Press Ltd Sidney British Columbia Glen Fatkin North Surrey Secondary School 2 2SO42-(aq) precipitation To get integer coefficients multiply all reactants and products by. How many atoms of hydrogen are in 3.5 mol of H2S? Calculate the net ionic equation for 2Al(s) + 3NiBr2(aq) = 2AlBr3(aq) + 3Ni(s). C3H8(g) + 5O2(g) arrow 3CO2(g) + 4H2O(l), Classify the following reaction. Zinc reacts with iodine in a synthesis reaction: Zn + I2 Znl2. Br2(l) + 2K(s) arrow KBr(s), Determine whether or not the following equation represents a redox reaction. 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. 2SO2(g) + O2(g) arrow 2SO3(g), Determine whether or not the following equation represents a redox reaction. The National Seismic Hazard Map classified one location as having the highest hazard and another location as having the lowest hazard. Based on this classification, which conclusion can you draw between the "highest hazard" and "lowest hazard" locations? Boyle's Law explains which relationship of properties in gases? two of these, An aqueous solution of potassium chloride is mixed with an aqueous solution of sodium nitrate. D. P waves push and pull in the same direction as the wave, and S waves move up and down. Ba2+ and PO43- oxidation-reduction CH4 + 2O2 arrow CO2 + 2H2O + heat/light a. double replacement b. single replacement c. combustion d. decomposition, Classify each of these reactions Ba(CIO_3)_2 --> BaCl_2 + 3O_2 a. combination (synthesis) b. decomposition c. displacement (single replacement) d. exchange (double replacement) CaO+CO_2 --> CaCO, Determine the reaction type (synthesis, decomposition, single replacement double replacement, or combustion) for each of the following. 2KClO3 arrow 2KCl + 3O2 a. synthesis b. decomposition c. single replacement d. double replacement, Classify the reaction as combination, decomposition, single replacement, double replacement, or combustion: C2H4(g) + 3O2(g) = 2CO2(g) + 2H2O(g), Classify the reaction as combination, decomposition, single replacement, double replacement, or combustion: H2SO4(aq) + 2KOH(aq) = K2SO4(aq) + 2H2O(l), Classify the reaction as combination, decomposition, single replacement, double replacement, or combustion: Fe2O3(s) + 3C(s) = 2Fe(s) + 3CO(g), Classify the following reaction: CaO + CO2 arrow CaCO3 a. combination (synthesis) b. decomposition c. displacement (single replacement) d. exchange (double replacement), Classify each reaction as combination (C), decomposition (DC), single replacement (SR), or double replacement (DR). There is no solid formed when the two solutions are mixed. How many moles of hydrogen atoms are in one mole of H2O2? precipitation Calculate the net ionic equation for 2Al(s) + 3NiBr2(aq) = 2AlBr3(aq) + 3Ni(s). Explain. acid-base Question Which of the following is a correct mole ratio for the following equation? 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). 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. Single Displacement (Substitution) Net Ionic 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. 3 Aqueous chlorine is added to a solution of aluminum bromide in a single replacement reaction which forms no precipitate and bromine liquid. , leased by the earthquake, while intensity measures the amount of damage. What is an ionic solid with trapped water molecules called? 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. A collision in which kinetic energy is lost is a(n) ____ collision. The effect is enhanced by red bromine fumes present in the reaction container. Explain. Write your answer on the space before the number. {/eq}. Createyouraccount, {eq}{\rm{2Al}}\left( {\rm{s}} \right) + {\rm{3B}}{{\rm{r}}_{\rm{2}}}\left( {\rm{l}} \right) \to {\rm{2AlB}}{{\rm{r}}_{\rm{3}}}\left( {\rm{s}} \right) Classify as a combination, decomposition, single replacement, double replacement, or combustion reac 5. The rate constant of a reaction has units of 1/M-s. What is the order of its rate law? Hg2+(aq) + Cu(s) arrow Cu2+(aq) + Hg(l), Balance the following redox reaction by inserting the appropriate coefficients. 2Al(s) + 3NiBr2(aq) = 2AlBr3(aq) + 3Ni(s) might be an ionic equation. NH4NO2 arrow N2 + 2H2O, Determine whether the following reaction is an oxidation-reduction reaction. Determine the net ionic equation. KCN(aq) + HCl(aq) arrow HCN(aq) + KCl(aq). NH3 + ClO arrow N2H4 + Cl-, Balance the following redox reaction in basic solution. You can use parenthesis () or brackets []. Which is the empirical formula for hydrogen peroxide? Learn about chemical reactions in everyday life. 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. Explain how it was done. Ba(C2H3O2)2(aq) + Na2SO4(aq) arrow BaSO4(s) + NaC2H3O2(aq), Determine whether or not the following reaction is an oxidation-reduction reaction. The mole ratios can be determined only if what? Chemistry >. Chemical Equation Balancer; Reaction Stoichiometry Calculator; Note: Aluminum bromide also exists as Al2Br6. Catalysts are substances that speed up the pace (velocity) of a chemical reaction without being consumed or becoming part of the end product. CuSO4 Determine the oxidation state of the atoms in the equation's reactants and products. What is the percent yield if the actual yield is 22.0g of product? MgI2(aq) + 2NaOH(aq) arrow Mg(OH)2(s) + 2NaI(aq), Determine whether or not the following equation represents a redox reaction.