We could not determine all the steps needed to balance the equation using trial and error. Which type of bond results from the sharing of electrons between atoms? {/eq}. Fe3O4(s) + CO(g) arrow FeO(s) + CO2(g), Determine whether the following reaction is a redox reaction. There is no solid formed when the two solutions are mixed. Under certain conditions, metals and nonmetals both react readily with oxygen. single-replacement, An aqueous solution of ammonium sulfate is allowed to react with an aqueous solution of calcium nitrate. Further questions related to chemical reactions 2Al + 3Br 2 2AlBr 3. True; the carbon is oxidized, and the oxygen is reduced. Which of the following ionic compounds is insoluble in water? Question How many mole ratios can be written for the following reaction? c. hydrogen combustion These have oxidizing agent as well as reducing agent. Explain. Combination reaction undergoes an overnight screening oximetry study, which shows 143 episodes of desaturation ranging from 68% to 76% with episodes of apnea. 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} True or false, and why? 6 How are they different? Select one: a. the sum of the coefficients of the reactants is equal to the sum of the coefficients of the products. Calculate the net ionic equation for 2Al(s) + 3NiBr2(aq) = 2AlBr3(aq) + 3Ni(s). What is the excess reactant in the following reaction if you start with 50.0g of each reactant? SO3(g) + H2O(l) arrow H2SO4(aq). Baking soda (sodium hydrogen carbonate, NaHCO3\mathrm{NaHCO}_3NaHCO3 ) is often used to neutralize spills of acids on the benchtop in the laboratory. What are the chemical reactions that have Br2 (bromine) as reactant? Ca(NO3)2 Oxidation state of Al changes from 0 to +3, therefore, it is reducing agent. What is an ionic solid with trapped water molecules called? D. There is more likely to be an earthquake in a "highest hazard" location than in a "lowest hazard" location. How many moles of OH ions are in 2.50 moles of Ca(OH)2? deconstructive synthesis single replacement double replacement and more. b. acid oxidation-reduction Pour about 7 pieces of aluminum foil into the beaker. 4 True; the carbon is reduced, and the oxygen is oxidized. P4 (s)+5O2 (g) P4O10 (s). 3. Determine whether the following reaction involves oxidation and reduction. 2Al(s) + 3Br2(l) 2AlBr3(s) 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. Therefore, moles of Al = 5.6 / 2 = 2.8 moles of Br = 4.4 / 3 = 1.46666666667 Bromine is the limiting reagent. 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. Synthesis S124: Chemical Rxns - Synthesis - 2Al (s) + 3Br2 (l) 2AlBr3 (s) What type of reaction is al 3 Br2 2 AlBr3? Zn(s) + CuSO4(aq) arrow ZnSO4(aq) + Cu(s), Determine whether or not the following equation represents a redox reaction. The complete ionic equation contains which of the following species (when balanced in standard form)? You can also ask for help in our chat or forums. 3NO3- acid-base A precipitate forms in a double replacement reaction only if: A ____ is a statement that uses chemical formulas to show the identities and relative amounts of the substances involved in a chemical reaction. The number of moles of solute divided by liters of solution is called ____. The equation 2C2H6 + 7O2 4CO2 + 6H2O is an oxidation-reduction reaction. Al is the oxidizing agent because its oxidation number increases. Carefully pour bromine into the container and place the dish on top. 3Hg(NO3)2 + 2Al(OH)3 3Hg(OH)2 + 2Al(NO3)3, 3Zn(C2H3O2)2 + 2AlI3 3ZnI2 + 2Al(C2H3O2)3, 2H3PO3 + 3Ba(C2H3O2)2 6HC2H3O2 + Ba3(PO3)2, 3H2SO3 + 2Al(C2H3O2)3 6HC2H3O2 + Al2(SO3)3, 6NaC2H3O2 +Mg3(PO4)23Mg(C2H3O2)2+2Na3PO4, Grandville Spanish III Ch.1 S3C1 structures, Geometry, Hybridization and Polarity practice. 2SO2(g) + O2(g) arrow 2SO3(g), Determine whether or not the following equation represents a redox reaction. In other words, these species may be defined as such species which undergo atomic rearrangement during the reaction. manufacturing The given reaction is the manufacturing or synthesis reaction. 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. Balance the equation Al + NiBr2 = AlBr3 + Ni using the algebraic method or linear algebra with steps. The Aluminum is oxidized from oxidation state 0 to 3. 5, The reaction 2K(s) + Br2(l) 2KBr(s) is a(n) ______________ reaction. Organic Chemistry. V. decomposition, Classify the following reaction: phosphoric acid c. basic, or alkaline 1/2O2 + H2O + 2e- arrow 2OH-, Which of the following reactions are redox reactions? What is the mass, in kilograms, of a liter of water? Classify the following reaction: 2Al(s) + 3Br2(g) arrow 2AlBr3(s) a. combination b. decomposition Classify the following reaction: 2Mg(s) + O2(g) arrow 2MgO(s) a. combination b. decomposition c. single replacement d. double replacement, Classify the following reaction: N2(g) + O2(g) arrow N2O5(g) a. combination b. decomposition c. single replacement d. double replacement, Classify the following reaction: Pb(NO3)2(aq) + 2NaCl(aq) arrow PbCl2(s) + 2NaNO3(aq) a. combination b. decomposition c. single replacement d. double replacement, Classify the following reaction: NH3(g) + O2(g) arrow N2(g) + H2O(g) a. combination b. decomposition c. single replacement d. double replacement, Classify the following reaction: K(s) + B2O3(s) arrow K2O(s) + B(s) a. combination b. decomposition c. single replacement d. double replacement, Classify the following reaction: CuO(s) + 2HCl(aq) arrow CuCl2(aq) + H2O(l) a. combination b. decomposition c. single replacement d. double replacement, Classify the following reaction: NH3(g) + HCl(g) arrow NH4Cl(g) a. combination b. decomposition c. single replacement d. double replacement, Classify the following reaction: C6H12(l) + 9O2(g) arrow 6CO2(g) + 6H2O(g) a. combination b. decomposition c. single replacement d. double replacement e. combustion, Classify the following reaction: C6H12O6(aq) arrow 2C2H6O(aq) + 2CO2(g) a. combination b. decomposition c. single replacement d. double replacement e. combustion. A collision in which kinetic energy is lost is a(n) ____ collision. Al + NiBr2 = AlBr3 + Ni might be a redox reaction. . HNO3(aq) + KOH(aq) KNO3(aq) +H2O(l) The last column of the resulting matrix will contain solutions for each of the coefficients. One cubic centimeter of water has a mass of 1 gram. magnesium hydroxide Synthesis Reactions. You can use parenthesis () or brackets []. synthesis Double Replacement. Br2(l) + 2K(s) arrow KBr(s), Determine whether or not the following equation represents a redox reaction. The rate constant of a reaction has units of 1/M-s. What is the order of its rate law? phosphoric acid P4(s) + 5O2(g) arrow P4O10(s), Determine whether or not the following reaction is a redox reaction. Explain why this is a redox reaction. What type of reaction is 2AlCl3 2Al s 3Cl2 G? MgI2(aq) + 2NaOH(aq) arrow Mg(OH)2(s) + 2NaI(aq), Determine whether or not the following equation represents a redox reaction. How many atoms of hydrogen are in 3.5 mol of H2S? MgS 2H+ + 2e- arrow H2. What are the chemical and physical characteristic of AlBr3 (Aluminium bromide)? Choose 1 type of electromagnetic wave. Oxidation-reduction reaction. Use substitution, Gaussian elimination, or a calculator to solve for each variable. Replace immutable groups in compounds to avoid ambiguity. Reaction is in the state of balance when Each type of atoms in both reactant and product side are . Which of the following molecules can form hydrogen bonds? How many particles of Mg are in 10 moles of MgBr2? KNO3 Reactants Aluminum Bromide - AlBr 3 Aluminium Bromide AlBr3 Molar Mass AlBr3 Oxidation Number Products Aluminium - Al precipitation CuOH An oxidation-reduction (redox) reaction is a type of chemical reaction that involves a transfer of electrons between two species. There will never be an earthquake in the "lowest hazard" location in the future. Thus, we can conclude that the statement is the oxidizing agent because its oxidation number decreases. 2NO3-(aq), Which of the following is NOT a strong acid or strong base? oxidation-reduction CaSO4 D. P waves push and pull in the same direction as the wave, and S waves move up and down. oxidation Which statement best identifies and describes the oxidizing agent in the reaction? Explain why. 2 The liquid phase consists of liquid silicone with surface tension ()(\sigma)() of 19.7103N/m,19.7 \times 10^{3} N/m,19.7103N/m, dynamic viscosity (l)\left(\mu_{l}\right)(l) of 45.7104kg/ms,45.7 \times 10^{4} kg/m \cdot s,45.7104kg/ms, density (l)(\rho_l)(l) of 913kg/m3,913 kg/m^3,913kg/m3, thermal conductivity (kl)(k_l)(kl) of 0.117W/mK,0.117 W/m \cdot K,0.117W/mK, and Prandtl number (Prl)(Pr_l)(Prl) of 64. Give your answer to 3 significant figures. 2K+ sodium hydroxide Use the calculator below to balance chemical equations and determine the type of reaction (instructions). Since this is a single replacement reaction, it will take the form of A + B C A C + B Since this reaction forms no precipitate, the new compound will not be a solid. The effect is enhanced by red bromine fumes present in the reaction container. 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). 4.1. CH4 + 4O2- arrow CO2 + 2H2O + 8e-, Determine whether the following reaction is an oxidation reaction or a reduction reaction. 3 Aqueous chlorine is added to a solution of aluminum bromide in a single replacement reaction which forms no precipitate and bromine liquid. Double Replacement. The net ionic equation contains which of the following species (when balanced in standard form)?. molarity. If it were instead $\ce {Al2Br6}$, that would indicate a different formula unit - it would imply a different compound. 6, When the following equation is balanced, what is the coefficient for H2O? Cu2CO3. Examples: Hydrogen reacts with oxygen to form water. An aqueous solution of sodium sulfate is allowed to react with an aqueous solution of barium nitrate. has 0 or non-integer coefficients). See Answer See Answer See Answer done loading. synthesis, Which of the following ionic compounds is soluble in water? K+ and NO3- 2Na+(aq) Determine whether the reaction is a redox reaction. Li(s) + H2O(l) arrow LiOH(aq) + H2(g), What type of reaction is : Mg + 2HCl \rightarrow MgCl2 + H2 - decomposition - single replacement - double replacement - combustion, What type is the following reaction? Which of the following ionic compounds is soluble in water? Consider the following unbalanced redox reaction: Cr2O72-(aq) + NO2- (aq) arrow Cr3+(aq) + NO3-(aq). All other trademarks and copyrights are the property of their respective owners. a. LiBr2 (aq) + 2NaOH (aq) ____. Since there is an equal number of each element in the reactants and products of 2Al + 3Br2 = 2AlBr3, the equation is balanced. Identify the type of reaction shown in the following chemical equation. Can you determine the type of reaction if you see the entire balanced equation? MgS How do they differ? Which is not the correct formula for an ionic compound? oxidation-reduction How many atoms of oxygen are present in 7 mol of water? #x27;+7,-2 Question 25 (4 points) All of the following reactions can be classified as 2Al(s) + 3Br2(h 2AIBr3(s) 2Ag2O(s) 4Ag(s) + Oz(g) CHA() + 202(g) COzlg). 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. 2AlBr3 2Al + 3Br2. hydrochloric acid f. base Fill in the blanks. dehydration, Nonvolatile solutes ____ the vapor pressure of a solution. C. There will definitely be an earthquake in the "highest hazard" location. The gas phase consists of air with dynamic viscosity (g)\left(\mu_{g}\right)(g) of 18.4106kg/ms,18.4 \times 10^{6} kg/m \cdot s,18.4106kg/ms, density (g)(\rho_g)(g) of 1.19kg/m3,1.19 kg/m^3,1.19kg/m3, and Prandtl number (Prg)(Pr_g)(Prg) of 0.71. A chemical reaction equation must be ____ in order to make stoichiometric calculations. combustion N H 3 ( g ) + H C l ( g ) N H 4 C l ( s ). transfer of electrons copyright 2003-2023 Homework.Study.com. 2NH4+(aq) Both signals transmit information and dat 4H2(g) + O2(g) 2H2O(l). Balance the equation Al + Br2 = AlBr3 using the algebraic method or linear algebra with steps. If so, which element is reduced? 1 2Al(s) + 3Br2(l) 2AlBr3(s) A. CaS formation of a gas single replacement 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). e. acidic 2Al(s) + 3H2SO4(aq) arrow Al2(SO4)3(aq) + 3H2(g) b. Use these data and Hesss law to determine the enthalpy of vaporization for water. a, but they work in different ways. 2Cu(s) + O_2(g) to 2CuO(s), For the reaction below, classify as a combination, decomposition, single replacement, or double replacement. K+ and NO3-, The reaction HNO3(aq) + KOH(aq) H2O(l) + KNO3(aq) is a(n) ________ reaction. Examples: Fe, Au, Co, Br, C, O, N, F. Ionic charges are not yet supported and will be ignored. 2H2(g) + O2(g) 2H2O(g). For a redox reaction, identify the oxidizing agent and the reducing agent. 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? FeSO4 CaS Determine the number of unpaired electrons, if any, in each.\, K4[FeF6]\mathrm{K}_4\left[\mathrm{FeF}_6\right] Calculate the net ionic equation for 2AlBr3 (aq) = 2Al (s) + 3Br2 (l). Ca(OH)2(aq) + H3PO4(aq) Ca3(PO4)2(s) + H2O(l) So to answer your question: All rights reserved. They must have the same ____. 3H2(g) + N2(g) arrow 2NH3(g), Classify the following as a combination, decomposition, single replacement, double replacement, or combustion reaction. Explain how it was done. 2Al + 3 Br 2 2 AlBr 3 A) Al is oxidized and Br 2 is reduced. The following equation is what type of reaction? a. buffer acetic acid Question Which of the following is a correct mole ratio for the following equation? You can use parenthesis () or brackets []. 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. The mole ratios can be determined only if what? Since there is an equal number of each element in the reactants and products of 2Al + 3Br2 = 2AlBr3, the equation is balanced. Fe^3+ + NO2^- + H2O arrow Fe^2+ + H^+ + NO3^-. The balanced equation for the above reaction is as follows; 2Al + 3Br --> 2AlBr stoichiometry of Al to Br is 2:3 there are 5.0 mol of Al and 6.0 mol of Br if Al is the limiting reactant, if 2 mol of Al reacts with 3 mol of Br then 5.0 mol of Al reacts with - 3/2 x 5 = 7.5 mol of Br Al(s) + 3Ag^(+)(aq) arrow Al^(3+)(aq) + 3Ag(s). LiOH Ba(s) + Cl2(g) arrow BaCl2(s). MgCO3 This chemical reaction is a: a) double-replacement reaction b) single-replacement reaction c) combustion reaction d) synthesis reaction e) decomposition reaction, Identify the type of reaction: 2 PbSO_4 __ 2 PbSO_3 + O_2 a) Synthesis b) Decomposition c) Single Replacement d) Combustion e) Double Replacement, Classify each of these reactions. decomposition 2Mg(s) + O2(g) 2MgO(s) It tells about the shape and characteristics of a signal in the form of a wave. 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?
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