4 FeBr3 +D02 → 6 Br2 + O Fe2O3 1. How many iron (Fe) atoms are on the reactant side of the equation? А. 1 В. 3 С. 4 D. 12 What coefficient should go in the green box in order to balance the equation? A. 1 В. 2 С. 3 D. 4 What coefficient should go in the orange box in order to balance the equation? А. 1 В. 2 С. 3 D. 4

4 FeBr3 +D02 → 6 Br2 + O Fe2O3 1. How many iron (Fe) atoms are on the reactant side of the equation? А. 1 В. 3 С. 4 D. 12 What coefficient should go in the green box in order to balance the equation? A. 1 В. 2 С. 3 D. 4 What coefficient should go in the orange box in order to balance the equation? А. 1 В. 2 С. 3 D. 4

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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91. A common demonstration in chemistry courses involves adding a tiny speck of manganese(IV) oxide to a concentrated hydro- gen peroxide (H₂O₂) solution. Hydrogen peroxide decomposes quite spectacularly under these conditions to produce oxygen gas and steam (water vapor). Manganese(IV) oxide is a catalyst for the decomposition of hydrogen peroxide and is not consumed in the reaction. Write the balanced equation for the decomposition reaction of hydrogen peroxide. 92. Iron oxide ores, commonly a mixture of FeO and Fe,O,, are given the general formula Fe,O,. They yield elemental iron when heated to a very high temperature with either carbon monoxide or elemen- tal hydrogen. Balance the following equations for these processes: Fe,O(s) + H₂(g) →→→ Fe 0.(s) + CO(e) Fe(s) + H₂O(e) Fe(s) + CO)
Consider the general chemical equation 3A+B→2C. Part A. If 1.45 g of A reacts with 1.75 g of B, what is the mass of C? Express your answer with the appropriate units. Part B. If 4.70 g of A reacts to produce 8.95 g of C, what is the mass of B? Express your answer with the appropriate units.
From the list of reactions below, pick out the combustion reactions? 1) 2C2H6(g) + 7O2 (g) → 4CO2(g) + 6H2Ol) 2) MgO(s) + CO2 (g) → MgCO3(s) 3) ZnCO3(s) → ZnO (s) + CO2 (g) 4) 2CH3OH(l) + 3O2 (g) → 2CO2(g) + 4H2O(l) a 1, 2, 3, and 4 b 3 and 4 c 2, 3, and 4 d 1, 3, and 4 e 1 and 4
In the earth's primitive atmosphere, it is thought that water could have reacted with methane to produce hydrogen gas and carbon monoxide. CH(g) + H;O(g) → CO(g)+ 3H2(g) The particulate representation to the right shows a product mixture for the hydrogen forming reaction above. Which species is the limiting reactant? A. CH,(g) В. Н.О(g) C. Co(g) D. H,(g) E. It is a stoichiometric mixture
1. Balance the following reactions. Also, identify the type of reaction (combination, decomposition, single and double displacement, combustion, acid-base neutralization, precipitation, or gas evolution) а. C6H1206(aq)O C2H6O(aq) + CO2(g) Type of reaction НЗРО4(aq) + Mg3(PO4)2(s) + Mg(OH)2(aq) H2O(1) b. Type of reaction Na2CO3(aq) + Na2SO4(aq)+ H2SO4(aq) CO((g) +_H2O(1) C. f. СзН(9) + O2(g) O Type of reaction NH3(aq) + H2O(1) O2(g) O d. NO2(g) + Туре of reaction O2(g) O C3H8O(1) + H2O(g) е. CO(g) + Туре of reaction f. _NH3(g) + _H2O(g) O2(g) NO2(g) +
Which answer shows the correct way to balance the following equation? Fe(s) + O2(g) → Fe2O3(s) a. 3Fe+302→ 3Fe2O3 b. Fe +302 → 2/3Fe2O3 c. 4Fe+302 → 2Fe2O3 d. 2Fe +302 → 2Fe2O3
Directions: Balance the following chemical equations:1. SiCl4 + H2O → SiO2 + HCl2. Au2S3 + H2 → Au + H2S3. Al + O2 → Al2O34. Ca3(PO4)3 + H2SO4 → CaSO4 + Ca(H2PO4)25. HClO4 + P4O10 → H3PO4 + Cl2O76. FeS + O2 → FeO3 + SO27. PCl5 + H2O → H3PO4 + HCl8. C2H6O + O2 → CO2 + H2O9. C4H10O + O2 → CO2 + H2O10. Fe + O2 → Fe2O3
Please give the final answer of the chemical equation
In the laboratory you dissolve 22.7 g of potassium bromide in a volumetric flask and add water to a total volume of 250 mL. What is the molarity of the solution? М. What is the concentration of the potassium cation? М. What is the concentration of the bromide anion? М.
Classifying Reactions and Balancing Chemical Equations Part A: For each of the chemical reactions that are listed below, balance the chemical equation and then state the type of chemical reaction. 1. - Cu (s) + O₂(g) → CuO (s) Reaction type: 2.H₂O ()→→O₂ (g) + H₂ (B) Reaction type: 3. Fe (s) + H₂O () Fe₂O3 (s) + H₂(g) Reaction type: 5. 4.H₂S (aq) + AsCl3 (aq) →→As2S3 (s) + HCl(aq) Reaction type: CaCO3 (s) → CO₂(g) + Reaction type: 6. C4H10O (g) + O₂(g) →→CO₂(g) + H₂O (c) Reaction type: 7. S8 (s) + Fe (s)→ FeS (s) Reaction type: CaO (s) 8. H₂SO4 (aq) +Al (s) →→Al2(SO4)3 (aq) + H₂(g) Reaction type: 9. H3PO4 (aq) + NH,OH (aq) Reaction type: (NH4)3PO4 (aq) + stei HOH (c) 2017-
Sodium and chlorine react to form sodium chloride: What is the theoretical yield of sodium chloride for the reaction of 32.0 g Na with 107.2 g Cl2? A. 1.40 x 104 g NaCl B. 35.4 g NaCl C. 122 g NaCl D. 81.2 g NaCl