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The chapter sections to review are shown in parentheses at the end of each problem.
15.49For this reaction, identify each of the following: (15.1)
a. the substance reduced b. the substance oxidized
c. the oxidizing agent d. the reducing agent
Chromium(III) oxide and silicon undergo an
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Basic Chemistry
- Complete the following equations by writing the formula(s) of the product(s) and balancing the equation with coefficients. Use the type of reaction to aid in determining the products. 6. 7. 8. 9. Balanced Equation 10. Zn + FeCl3 + 12. C3H8 + HgO→ 13. Al + H₂SO4 → AgNO3 → 0₂ Cl₂ → Balanced Equation 11. Iron and oxygen react to form iron (III) oxide. afe +302 afe 203 Type of Reaction Single Replacement Write the balanced chemical equation for the following chemical reactions. Include the correct formulas for all reactants and products and balance with coefficients. Identify the type of reaction in the right column. Double Replacement Combustions Decomposition Combination Silver nitrate and magnesium chloride react to form magnesium nitrate and silver chloride. 2Aguo3 + MgCl₂ → 2 Agcl + ing [Nosta double displacement Type of Reaction Compustion Aluminum reacts with copper (II) sulfate to form aluminum sulfate and copper solid. 3 cu 50₂ +2A1-3 Cu +3504 +2A¹a (564)3 single displacment 10arrow_forward(5.9: Similar to Example 5.14) Use oxidation states to identify the element that is oxidized and the element that is reduced in the reaction below. 2 Li(s) + Cl₂(g) --> 2 LiCl(s) oxidized element [Choose ] [Choose] Li reduced element CI No oxidized element exists. No reduced element exists.arrow_forwardFill in the blanks: (7.1b. continued) Complete and balance the following by ion-electron method. Reactions are taking place in acidic solution. b) Mn*2(ag) + BiO3 (aq) Bi*3. Bi* (aq) Mn04 (aq) Analysis: Previous page. Final Balanced equation: Mn* (aq) BiO3 (aq) H* - Mn04 (aq) Bi (aq) H20 Important: Check that number of atoms & charges are balanced.arrow_forward
- 5.82 Consider the following two reactions:arrow_forward18.2 Balance the following chemical equation for the stoichiometric combustion of methane with oxygen. ____ CH4(g) + ______O2(g) ⟶ ______ CO2(g)+ ______H2O(g) What are the coefficients for O2(g) and CO2 (g)?arrow_forwardComplete the following equations by writing the formula(s) of the product(s) and balancing the equation with coefficients. Use the type of reaction to aid in determining the products. 6. 7. 8. 9. 10. Balanced Equation Zn + FeCl3 + C3H8 + HgO → Al + H₂SO4 → AgNO3 → 0₂ → 27 Type of Reaction Single Replacement Double Replacement Combustions Decomposition Write the balanced chemical equation for the following chemical reactions. Include the correct formulas for all reactants and products and balance with coefficients. Identify the type of reaction in the right column. Balanced Equation Combination Type of Reaction PDF ||| Oarrow_forward
- 5. Which element is reduced in the following reaction: 2Mg + O2 → 2M9O if Mg goes from 0 to +2 and O goes from 0 to -2? O Mg and O Neither element Mg New version available! (3.0.220) GET IT NOW PRarrow_forwardIn the decomposition of lead (I1) nitrate to give lead (II) oxide, nitrogen dioxide and oxygen gas, the cocfficient of nitrogen dioxide (in the balanced equation) is: * 1 2. 3. Which among the following is (are) double displacement reaction(s)? * Pb + CuCl - PBCI2 + Cu Na2SO4 + BaCl2 → BaSO4 + 2NACI C + 02 → CO2 I. | II. III. IV. CH4 + 202 → CO2 + 2H2O O I and II O Il and IV O I only Il onlyarrow_forward9. Which element is oxidized in the following reaction: 2FECI2 + Cl2 → 2FECI3 if Fe goes from +2 to +3 and CI goes from 0 to –2? Fe Neither element CI Cl and Fe GET IT NOW New version available! (3.0.220) PREVIOUSarrow_forward
- Barium Hydroxide has a solubility of 4.68 g Ba(OH)2 in 100. g H2O at 25°C. Determine if each of the following solutions will be saturated or unsaturated at 25°C: (9.3) a) adding 32 g of Ba(OH)2 to 990 g of H2O b) adding 7.0 g of Ba(OH)2 to 125 g of H2O c) adding 22 g of Ba(OH)2 to 350. g of H2Oarrow_forward8.10 Balance each of the following chemical equations: a. HNO3(aq) + Zn(s) → H₂(g) + Zn(NO3)2(aq) b. H₂SO4(aq) + Al(s) → H₂(g) + Al2(SO4)3(aq) c. K₂SO4(aq) + BaCl₂(aq) →→→ BaSO4(s) + KCl(aq) d. CaCO3(s) → CaO(s) + CO2(g) e. AlCl3(aq) + KOH(aq) → Al(OH)3(s) + KCl(aq)arrow_forwardAmmonia has been studied as an alternative "clean" fuel for internal combustion engines, since its reaction with oxygen produces only nitrogen and water vapor. The following reaction takes place (at a certain temperature) as follows: 4 NH,(g) + 302(g) - 2 N2(g) + 6 H,O(g) 2.1 In the reaction above, identify which reactant is oxidized and which is reduced NH, O2 2.2 An industrial chemist studying this reaction fills a 500. mL flask with 1.3 atm of ammonia gas and 1.2 atm of oxygen gas, and when the mixture has come to equilibrium measures the partial pressure of nitrogen gas to be 0.33 atm. Calculate the pressure equilibrium constant for this reaction. You must fill out the ICEE table below for full credit. Round your answer to 2 significant digits. Make sure to box your final answer for K,. If you need more space to show your work, please use the backside of this page 4 NH3(g) + 30,(g) 2 N2(g) + 6 H,0(g) Initial pressure Change Expression Equilibrium pressure K, = %3Darrow_forward
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