Homework Answers
Only A is balanced.
8HCl + 2KMnO4 ---> 3Cl2 + 2MnO2 + 4H2O + 2KCl
Hydrogen-
8 (left side) = 8 (right side)
Cl-
8(left side) = 8(right side)
Potassium(K)-
2(left) = 2(right)
Manganese(Mn)-
2(left) = 2(right)
Oxygen-
8(left) = 8(right)
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Which one of the following chemical reaction equations is balanced? O A. 8HCI + 2KMnO4 →...
Cina learned how to balance chemical equations. Which of the following is NOT balanced a. 4Al...
Cina learned how to balance chemical equations. Which of the following is NOT balanced a. 4Al +302 → 2Al;0; b. 2Na+ Cl2 → 2NaCl C. 2NaOH + HCI → NaCl + 2H2O d. 2K3PO4 + 3BaCl2 → Bax(PO4)2 +6KCI e. 2NaOH + H2SO4 → Na2SO. + H2O Answer:
3. Complete the following balanced equations for the reactions in test tubes A-E. Enter the name and formula of e...
3. Complete the following balanced equations for the reactions in test tubes A-E. Enter the name and formula of each gas in the data table. (a) NaHCO3(aq) + HCI (aq) → NaCl(aq) + H2O(l) + — (8) (b) Cu(s) + 4HNO3(aq) → Cu(NO3)2(aq) + 2H,0(1) + 2 _ (g) (C) NH,Cl(aq) + NaOH(aq) → NaCl(aq) + H20(1) + — (8) (d) 2H,O, (aq) → 2H,O(1) + - Note: The catalyst (Mn0,) is not represented in the balanced chemical equation. (e)...
Chemical Reactions and Equations Write balanced chemical equations for the following reactions and also identifying them...
Chemical Reactions and Equations Write balanced chemical equations for the following reactions and also identifying them as formation, decomposition, single replacement, double replacement or combustion reactions. Reaction between sodium carbonate and nitric acid to produce sodium nitrate, carbon dioxide and water a. b. Reaction between silver (1) nitrate and hydrogen sulfide gas. c. Reaction between sodium and water to produce hydrogen gas and sodium hydroxide. d. Reaction between sodium and chlorine to produce sodium chloride. e. Reaction between lead(II) chloride...
1. Write balanced equations for the following processes. a. The reaction of potassium with water. c....
1. Write balanced equations for the following processes.
a. The reaction of potassium with water.
c. Thermal decomposition of sodium azide.
d. The reaction of potassium peroxide with water.
e. Calcium hydride reacting with water.
f. The reaction between ethanol and lithium hydride.
1. Write balanced equations for the following processes: a. The reaction of potassium with water. C. Thermal decomposition of sodium azide. d. The reaction of potassium peroxide with water. e. Calcium hydride reacting with water. f. The...
1. Write balanced equations for the following processes. a. The reaction of potassium with water. c....
1. Write balanced equations for the following processes.
a. The reaction of potassium with water.
c. Thermal decomposition of sodium azide.
d. The reaction of potassium peroxide with water.
e. Calcium hydride reacting with water.
f. The reaction between ethanol and lithium hydride.
1. Write balanced equations for the following processes: a. The reaction of potassium with water. C. Thermal decomposition of sodium azide. d. The reaction of potassium peroxide with water. e. Calcium hydride reacting with water. f. The...
Figure out whether the balanced chemical reaction shown below involves oxidation reduction. If it does figure...
Figure out whether the balanced chemical reaction shown below
involves oxidation reduction. If it does figure out which element
becomes oxidized by the reaction and which element becomes reduced
by the reaction. Pick the correct statement about
this reaction from the multiple choices.
4 KMnO4(aq) + 5 CH3OH(aq) + 12 HCl(aq)
4 MnCl2(aq) + 5 HCO2H(aq) +
4 KCl(aq) + 11 H2O(l)
a) This reaction is not a redox reaction.
b) In this reaction H becomes oxidized and Cl becomes...
Balance the following chemical equations. Write the word "Balanced" if the equation is already balanced. a)...
Balance the following chemical equations. Write the word "Balanced" if the equation is already balanced. a) 2 H2(g) + O2(g) → 2 H20(1) b) 2NH3(g) + H2SO4(90) → (NH4)2SO4(94) Decomposition Reactions a) 2H2O2(0) → 2 H2O(l) + O2(g) b) "Balanced" CaCO3(s) → "Balanced" CaQ/s) + "Balanced" CO2(g) Single Displacement Reactions a) Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) b) 2Nas) + 2H2O(1) ► 2NaOH(aq) + H2(g double Displacement Reactions a) AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq) “Balanced" b) H2SO4(aq)...
4. (1 point) Write balanced equations for the complete combustion of each of the following substances....
4. (1 point) Write balanced equations for the complete combustion of each of the following substances. a. C3H28 (1) + b. C2H,2011 (s) + 5. (2 points) Identify each of the following unbalanced reactions as belonging to one or more of the following categories: precipitation, acid-base, or oxidation-reduction. Type Reaction K2SO4 + Ba(NO3)2 → BaSO4 + KNO3 HCI + Zn → ZnCl2 + H2 HCl + AgNO3 → AgCl + HNO3 HC1+KOH →KCI+H2O Zn + CuSO4 → ZnSO4 + Cu...
• Find the "true" value using the following steps: • Write the balanced chemical reaction between...
• Find the "true" value using the following steps: • Write the balanced chemical reaction between NaOH and HCI • Write the ionic and net ionic equations for the reaction Use the following standard enthalpies for formation and the net ionic reaction to calculate AHxn Substance AH; (140) 0 H+ (aq) OH (aq) H20 (1) -230.02 -285.8
Write balanced chemical equations describing the reaction of excess NaOH with each of the following acids. (Omit states-...
Write balanced chemical equations describing the reaction of excess NaOH with each of the following acids. (Omit states-of-matter from your answer.) HCl H3AsO4 HClO4
Cina learned how to balance chemical equations. Which of the following is NOT balanced a. 4Al +302 → 2Al;0; b. 2Na+ Cl2 → 2NaCl C. 2NaOH + HCI → NaCl + 2H2O d. 2K3PO4 + 3BaCl2 → Bax(PO4)2 +6KCI e. 2NaOH + H2SO4 → Na2SO. + H2O Answer:
3. Complete the following balanced equations for the reactions in test tubes A-E. Enter the name and formula of each gas in the data table. (a) NaHCO3(aq) + HCI (aq) → NaCl(aq) + H2O(l) + — (8) (b) Cu(s) + 4HNO3(aq) → Cu(NO3)2(aq) + 2H,0(1) + 2 _ (g) (C) NH,Cl(aq) + NaOH(aq) → NaCl(aq) + H20(1) + — (8) (d) 2H,O, (aq) → 2H,O(1) + - Note: The catalyst (Mn0,) is not represented in the balanced chemical equation. (e)...
Chemical Reactions and Equations Write balanced chemical equations for the following reactions and also identifying them as formation, decomposition, single replacement, double replacement or combustion reactions. Reaction between sodium carbonate and nitric acid to produce sodium nitrate, carbon dioxide and water a. b. Reaction between silver (1) nitrate and hydrogen sulfide gas. c. Reaction between sodium and water to produce hydrogen gas and sodium hydroxide. d. Reaction between sodium and chlorine to produce sodium chloride. e. Reaction between lead(II) chloride...
1. Write balanced equations for the following processes.
a. The reaction of potassium with water.
c. Thermal decomposition of sodium azide.
d. The reaction of potassium peroxide with water.
e. Calcium hydride reacting with water.
f. The reaction between ethanol and lithium hydride.
1. Write balanced equations for the following processes: a. The reaction of potassium with water. C. Thermal decomposition of sodium azide. d. The reaction of potassium peroxide with water. e. Calcium hydride reacting with water. f. The...
1. Write balanced equations for the following processes.
a. The reaction of potassium with water.
c. Thermal decomposition of sodium azide.
d. The reaction of potassium peroxide with water.
e. Calcium hydride reacting with water.
f. The reaction between ethanol and lithium hydride.
1. Write balanced equations for the following processes: a. The reaction of potassium with water. C. Thermal decomposition of sodium azide. d. The reaction of potassium peroxide with water. e. Calcium hydride reacting with water. f. The...
Figure out whether the balanced chemical reaction shown below
involves oxidation reduction. If it does figure out which element
becomes oxidized by the reaction and which element becomes reduced
by the reaction. Pick the correct statement about
this reaction from the multiple choices.
4 KMnO4(aq) + 5 CH3OH(aq) + 12 HCl(aq)
4 MnCl2(aq) + 5 HCO2H(aq) +
4 KCl(aq) + 11 H2O(l)
a) This reaction is not a redox reaction.
b) In this reaction H becomes oxidized and Cl becomes...
Balance the following chemical equations. Write the word "Balanced" if the equation is already balanced. a) 2 H2(g) + O2(g) → 2 H20(1) b) 2NH3(g) + H2SO4(90) → (NH4)2SO4(94) Decomposition Reactions a) 2H2O2(0) → 2 H2O(l) + O2(g) b) "Balanced" CaCO3(s) → "Balanced" CaQ/s) + "Balanced" CO2(g) Single Displacement Reactions a) Mg(s) + 2HCl(aq) → MgCl2(aq) + H2(g) b) 2Nas) + 2H2O(1) ► 2NaOH(aq) + H2(g double Displacement Reactions a) AgNO3(aq) + NaCl(aq) → AgCl(s) + NaNO3(aq) “Balanced" b) H2SO4(aq)...
4. (1 point) Write balanced equations for the complete combustion of each of the following substances. a. C3H28 (1) + b. C2H,2011 (s) + 5. (2 points) Identify each of the following unbalanced reactions as belonging to one or more of the following categories: precipitation, acid-base, or oxidation-reduction. Type Reaction K2SO4 + Ba(NO3)2 → BaSO4 + KNO3 HCI + Zn → ZnCl2 + H2 HCl + AgNO3 → AgCl + HNO3 HC1+KOH →KCI+H2O Zn + CuSO4 → ZnSO4 + Cu...
• Find the "true" value using the following steps: • Write the balanced chemical reaction between NaOH and HCI • Write the ionic and net ionic equations for the reaction Use the following standard enthalpies for formation and the net ionic reaction to calculate AHxn Substance AH; (140) 0 H+ (aq) OH (aq) H20 (1) -230.02 -285.8
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