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25. a) What is the oxidation number of the element in bold? Pb + PbO2 +...
When a substance is oxidized, it electrons and its oxidation number When a substance is reduced,...
When a substance is oxidized, it electrons and its oxidation number When a substance is reduced, it electrons and its oxidation number Determine the oxidation number of each clement in: HCIO_4 C-2O_4^2- In each of the following redox reactions, determine which element is oxidized and which is reduced. Cl_2 (aq) + 2 I (aq) rightarrow I_2 (aq) + 2 Cl' (aq) Fe_2O_3 (s) + 3 CO (g)rightarrow 2 Fe (s) + 3 CO_2 (g) Write balanced molecular and net ionic...
1. Balance the following reaction in the medium specified. (10 pts) a. Which element is being...
1. Balance the following reaction in the medium specified. (10 pts) a. Which element is being oxidized. b. Which element is being reduced. c. Identify the oxidizing and reducing agent. CIO3+ (aq) + l'(aq) --l(s) +Cl(aq) (acidic) 2. What is the oxidation number of the indicated element in the following compounds (6 pts) N in HNO, Cl in HCIO, Mn in KMnO4 3. Given the reaction (5 pts) 2C4H10(g) + 1302(g) → 8CO2(g) + 10H2O(g) How many moles of C&H1o...
Chem 2A: Oxidation Numbers, Oxidation/Reduction rium 1. Determine the oxidation number of chlorine in the f...
Chem 2A: Oxidation Numbers, Oxidation/Reduction rium 1. Determine the oxidation number of chlorine in the following: a) Cl b) C c) CIO d) MgCl e) ClO ) KCIO g) HCI h) NaCIO 2. Write a balanced, chemical equation for the reaction that occurs between aluminum and hydrochloric acid. Write the total and net ionic equation. b) Using the net ionic equation, determine the oxidation number on each reactant and product. Write them underneath the formulas. Determine who is oxidized/reduced. c)...
1 of 1 1) Balance the following redox reaction: Al + Zn → A1 + Zn 2. Balance the follwoing unbalanced chemical equa...
1 of 1 1) Balance the following redox reaction: Al + Zn → A1 + Zn 2. Balance the follwoing unbalanced chemical equations. Then, write an ionic equation, and a net ionic equation for each equation. Identify the spectator ions a) CaCl(aq) + K3PO(aq) - KClaq) + CaPO(S) LiOH(aq) + H2SO4(aq) → H01) + LigSO4(s) 3. In the reactions a) Pb(s) + 2Ag (aq) - P** (aq) + 2Ag(s) b) FeO3(s) + 3C0(g) 3Fe(s) + 3C0 g) Which species are...
5) Determine which element is oxidized and which element is reduced in the following redox reactions....
5) Determine which element is oxidized and which element is reduced in the following redox reactions. (4) Fe2O3 + CO ® Fe + CO2 Element oxidized ____________________ Element reduced _________________ Cr2O72- + H2C2O4 ® Cr3+ + CO2 Element oxidized ____________________ Element reduced ___________________ 6) Determine the balanced molecular, ionic and net ionic equations for the following single displacement (replacement) reaction. (9) (ME) Al(s) + HCl(aq) ® (IE) (NIE)
25. What is the oxidation number of the indicated element in each of the following species?...
25. What is the oxidation number of the indicated element in each of the following species? A. ClinCl2is+2 Cr in K2Cr2O7 is +2 NinNO3-is+3 B. Cl in Cl2 is 0 Cr in K2Cr2O7 is +6 N in NO3- is +6 C.ClinCl2 is+7 Cr in K2Cr2O7 is +3 NinNO3-is-2 D. ClinCl2 is0 Cr in K2Cr2O7 is +6 NinNO3-is+5 E. ClinCl2is-1 Cr in K2Cr2O7 is +2 N in NO3- is -3 26. Which of the following statements is correct about the reaction...
In the reaction below, which species is acting as the acid? HCIO4 (aq)+ KOH (aq)KCIO4 (aq)...
In the reaction below, which species is acting as the acid? HCIO4 (aq)+ KOH (aq)KCIO4 (aq) + H2O () КОН HCIO KCIO Нао Determine the net ionic reaction of the acid-base reaction below. KOH(aq)+ HNO3 (aq)-KNO3(aq)+ H2O() K (aa)+ O2(aq) + H(aq)+ H (aq)+ N (aa) + O3 (aq) K'(aq) + N3(aq) + O3 (aq)+ H2O() OH (aq)+ H (aq) H2O () C KOH(aq)+ HNO3 (aq) KNO3(aq)+ HO0) C K (aa) + OH(aq)+ H'(aa) + NO3 (aq) K(aq)+ NO3 (aq)+H2O()...
2. Label each element with its oxidation state, use arrows to identify the reduction and oxidation, and balance the following redox reaction, which takes place under basic conditions. Please draw a b...
2. Label each element with its oxidation state, use arrows to identify the reduction and oxidation, and balance the following redox reaction, which takes place under basic conditions. Please draw a box around your final balanced equation. [Note: this is a disproportionation reaction in which a species (e.g., P is oxidized and reduced.] P4 (s)PH (g) +HPO,2(aq)
2. Label each element with its oxidation state, use arrows to identify the reduction and oxidation, and balance the following redox reaction, which...
is the net ionic equation correct? What element is oxidized? Which element is more active? when...
is the net ionic equation correct? What element is oxidized?
Which element is more active? when element is reduced? which
element is less active?
Data Sheet Chemical Reactions Να Η KJH 2. Obtain and clean with sandpaper to expos I piece of lead. Place 6 let the inak K JNA TABLES Observations To imoit reactive) with sandpaper to expose the surface: 3 pieces of zinc, 2 pieces of copper and test tubes in a rack and labelcach appropriately. Observe the...
8. (1 point per blank) A solution of Pb(NO3)2 (aq) is mixed with a solution of...
8. (1 point per blank) A solution of Pb(NO3)2 (aq) is mixed with a solution of KI (aq) A solid forms and its identity is The balanced net ionic equation for the solid formation reaction is: The spectator ions are This type of chemical reaction is referred to as: (choices: redox, precipitation, combustion, synthesis, acid-base neutralization)
When a substance is oxidized, it electrons and its oxidation number When a substance is reduced, it electrons and its oxidation number Determine the oxidation number of each clement in: HCIO_4 C-2O_4^2- In each of the following redox reactions, determine which element is oxidized and which is reduced. Cl_2 (aq) + 2 I (aq) rightarrow I_2 (aq) + 2 Cl' (aq) Fe_2O_3 (s) + 3 CO (g)rightarrow 2 Fe (s) + 3 CO_2 (g) Write balanced molecular and net ionic...
1. Balance the following reaction in the medium specified. (10 pts) a. Which element is being oxidized. b. Which element is being reduced. c. Identify the oxidizing and reducing agent. CIO3+ (aq) + l'(aq) --l(s) +Cl(aq) (acidic) 2. What is the oxidation number of the indicated element in the following compounds (6 pts) N in HNO, Cl in HCIO, Mn in KMnO4 3. Given the reaction (5 pts) 2C4H10(g) + 1302(g) → 8CO2(g) + 10H2O(g) How many moles of C&H1o...
Chem 2A: Oxidation Numbers, Oxidation/Reduction rium 1. Determine the oxidation number of chlorine in the following: a) Cl b) C c) CIO d) MgCl e) ClO ) KCIO g) HCI h) NaCIO 2. Write a balanced, chemical equation for the reaction that occurs between aluminum and hydrochloric acid. Write the total and net ionic equation. b) Using the net ionic equation, determine the oxidation number on each reactant and product. Write them underneath the formulas. Determine who is oxidized/reduced. c)...
1 of 1 1) Balance the following redox reaction: Al + Zn → A1 + Zn 2. Balance the follwoing unbalanced chemical equations. Then, write an ionic equation, and a net ionic equation for each equation. Identify the spectator ions a) CaCl(aq) + K3PO(aq) - KClaq) + CaPO(S) LiOH(aq) + H2SO4(aq) → H01) + LigSO4(s) 3. In the reactions a) Pb(s) + 2Ag (aq) - P** (aq) + 2Ag(s) b) FeO3(s) + 3C0(g) 3Fe(s) + 3C0 g) Which species are...
In the reaction below, which species is acting as the acid? HCIO4 (aq)+ KOH (aq)KCIO4 (aq) + H2O () КОН HCIO KCIO Нао Determine the net ionic reaction of the acid-base reaction below. KOH(aq)+ HNO3 (aq)-KNO3(aq)+ H2O() K (aa)+ O2(aq) + H(aq)+ H (aq)+ N (aa) + O3 (aq) K'(aq) + N3(aq) + O3 (aq)+ H2O() OH (aq)+ H (aq) H2O () C KOH(aq)+ HNO3 (aq) KNO3(aq)+ HO0) C K (aa) + OH(aq)+ H'(aa) + NO3 (aq) K(aq)+ NO3 (aq)+H2O()...
2. Label each element with its oxidation state, use arrows to identify the reduction and oxidation, and balance the following redox reaction, which takes place under basic conditions. Please draw a box around your final balanced equation. [Note: this is a disproportionation reaction in which a species (e.g., P is oxidized and reduced.] P4 (s)PH (g) +HPO,2(aq)
2. Label each element with its oxidation state, use arrows to identify the reduction and oxidation, and balance the following redox reaction, which...
is the net ionic equation correct? What element is oxidized?
Which element is more active? when element is reduced? which
element is less active?
Data Sheet Chemical Reactions Να Η KJH 2. Obtain and clean with sandpaper to expos I piece of lead. Place 6 let the inak K JNA TABLES Observations To imoit reactive) with sandpaper to expose the surface: 3 pieces of zinc, 2 pieces of copper and test tubes in a rack and labelcach appropriately. Observe the...
8. (1 point per blank) A solution of Pb(NO3)2 (aq) is mixed with a solution of KI (aq) A solid forms and its identity is The balanced net ionic equation for the solid formation reaction is: The spectator ions are This type of chemical reaction is referred to as: (choices: redox, precipitation, combustion, synthesis, acid-base neutralization)
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