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QUESTION 10 Which is NOT an oxidation reduction equation? Edit: This question was inadvertently difficult. It's...
4. Which of the following reactions involves neither oxidation nor reduction? a. N2(g) + 3H2(g) -...
4. Which of the following reactions involves neither oxidation nor reduction? a. N2(g) + 3H2(g) - 2NH3(8) b. NH.NO(s) - N2(g) + 2H2O(1) c. Cu(s) + 2Ag (aq) → Cu²+(aq) + 2Ag(s) d. 2 Cro. (aq) + 2H*(ag) - Cr2O72- (aq) + H:0() e. CH:(8) + H2(g) - CH (8) 5. The oxidation number of nitrogen given for all the following species is correct except a. NH4 (-2). b. N30 (+1). c. NH2OH (-1). d. HNO, (+3). e. HN; (-1)....
help with these 3 please? 18. Of the reactions below, which one is a precipitation reaction?...
help with these 3 please?
18. Of the reactions below, which one is a precipitation reaction? a. NH4Cl → NH3 + HCI b. 2Mg + O2 + 2MgO c. 2N2 + 3H2 + 2NH3 d. 2CH4 +402 2002 + 4H20 e. Ca(NO3)2 + Na2S → CSS(s) + 2NaNO3 19. In the equation, CrO42(aq) + H2O(l) → CrO2(aq) + OH-(ag), the change in the oxidation number of the chromium atom is a. decrease by six units b. decrease by three units...
Part III: Oxidation and Reduction of H2O2 1. Reduction of H2O2: H2O2(aq) + Cr(OH)3(S) (BASIC) •...
Part III: Oxidation and Reduction of H2O2 1. Reduction of H2O2: H2O2(aq) + Cr(OH)3(S) (BASIC) • Observations · Evidence of the oxidation of Cr3+ • Reduction Half Reaction • Oxidation Half Reaction • Overall Balanced Redox Reaction · Explain occurrence or non-occurrence of reaction by calculating cell. 2. Oxidation of H2O2: H2O2(aq) + FeCl3(aq) • Observations • Evidence of the oxidation of H2O2 • Reduction Half Reaction • Oxidation Half Reaction • Overall Balanced Redox Reaction • Explain occurrence or...
Question 40 (1 point) Consulting the table of standard reduction potentials provided, which species is the...
Question 40 (1 point) Consulting the table of standard reduction potentials provided, which species is the best oxidizing agent? 12 reaction Ered (V) Pb4+ + 2e → Pb2+ +1.67 Cd2+ + 2e Cd -0.40 OCd O Pb2+ OP64+ O ca²+ Question 39 (1 point) Which balanced equation corresponds to the formation reaction for carbon monoxide, CO(g)? CO(g) + 1202(g) → CO2(g) 2CO(g) + O2(g) → 2CO2(g) C(s) + 102(g) → CO(g) 2C(s) + O2(g) → 2CO(g) Question 38 (1 point)...
Can you tell me the oxidation numbers for 1. 2. 3. 4. 5. 6. Experiment 11:...
Can you tell me the oxidation numbers for 1. 2. 3. 4. 5. 6.
Experiment 11: Exploring Types of Reactions Single Displacements Balance the single displacement (Redox) reactions below. Report your observations of the reaction in the space provided. Balance the reaction in the full molecular, full ionic, and net ionic forms. The net ionic form represents the essential reaction, ignoring spectators. It is obtained by canceling components that appear on both sides of the full ionic equation. __Mg(s) +...
RODOX EXAMINATION An oxidation-reduction reaction involves the (1) sharing of electrons &n
RODOX EXAMINATION An oxidation-reduction reaction involves the (1) sharing of electrons (3) transfer of electrons (2) sharing of protons (4) transfer of protons In this reaction, CO→ 2 CO + O2 the oxidation number of carbon changes from: (1) 0 to +4 (3) +3 to 0 (2) +2 to +4 (4) +4 to +2 Which balanced equation represents a redox reaction? AgNO3 (aq) +NaCl (aq) →AgCl (s) +NaNO3 (aq) H2CO3 (aq)...
18. Which statement about redox reactions is not comect? (a) During oxidation a substance loses electrons...
18. Which statement about redox reactions is not comect? (a) During oxidation a substance loses electrons (b) The oxidation number of an element is zero (c) Oxygen is required for addation (d) Oxidation cannot occur without reduction (e) none of the above 19.11.3 g of acetone. (CH3)2C0.is mibed with 20.7 g of oxygen gas (O) and combusted to form carbon dioxide gas and water vapor. How many grams of CO2 are formed in this process? (a) 25.7 g CO2 (c)...
2. Define the following: a. acid-base reaction b. displacement reaction c. oxidation-reduction reaction d. weak electrolyte...
2. Define the following: a. acid-base reaction b. displacement reaction c. oxidation-reduction reaction d. weak electrolyte 115 A Sequence of Chemical Reactions 3. PPPPPPPPPP Identify the following equations as single or double displacement, redox, acid-base, combination, or decompostion reactions. Some may fit in more than one category. a. Cu(s) + 4HNO, (aq) → Cu(NO),(aq) + 2NO, + 2H,0 Mg(s) + H.SO(aq) - MgSo. (aq) + H (6) CuO(s) + HCl(aq) → Cuci (aq) + H,000 d. Cu(NO),(aq) + 2NaOH(aq ->...
H20 (g) D. Zn (s) НC (аq) ZnCl2 (aq) + Hа(8) Classify each equation above as...
H20 (g) D. Zn (s) НC (аq) ZnCl2 (aq) + Hа(8) Classify each equation above as double displacement [DD], single displacement [SD], combination [C] (synthesis), decomposition [D], oxidation-reduction [redox], or combustion. combusnon В. О A. DD SD 4. Write the balanced chemical equation for the combustion of methane (CH). are the products: Carbon dioxide and water Chy + 202 CO + atzo C- 0-4 A. Classify the type of reaction? B. How many moles of oxygen react with one (1.0)...
Question 51 (8 points) A 10 gram sample of which substance contains the greatest number of...
Question 51 (8 points) A 10 gram sample of which substance contains the greatest number of hydrogen atoms? 10 grams of CH4 10 grams of HCI 10 grams of PH 3 10 grams of H2 Question 52 (8 points) What is the oxidation number of nitrogen in the nitrate ion? :0: +6 +5 O-1 +1 Question 49 (8 points) Which set of quantum numbers is correct and consistent with n = 4? me = -3 ms = +1 me =...
4. Which of the following reactions involves neither oxidation nor reduction? a. N2(g) + 3H2(g) - 2NH3(8) b. NH.NO(s) - N2(g) + 2H2O(1) c. Cu(s) + 2Ag (aq) → Cu²+(aq) + 2Ag(s) d. 2 Cro. (aq) + 2H*(ag) - Cr2O72- (aq) + H:0() e. CH:(8) + H2(g) - CH (8) 5. The oxidation number of nitrogen given for all the following species is correct except a. NH4 (-2). b. N30 (+1). c. NH2OH (-1). d. HNO, (+3). e. HN; (-1)....
help with these 3 please?
18. Of the reactions below, which one is a precipitation reaction? a. NH4Cl → NH3 + HCI b. 2Mg + O2 + 2MgO c. 2N2 + 3H2 + 2NH3 d. 2CH4 +402 2002 + 4H20 e. Ca(NO3)2 + Na2S → CSS(s) + 2NaNO3 19. In the equation, CrO42(aq) + H2O(l) → CrO2(aq) + OH-(ag), the change in the oxidation number of the chromium atom is a. decrease by six units b. decrease by three units...
Part III: Oxidation and Reduction of H2O2 1. Reduction of H2O2: H2O2(aq) + Cr(OH)3(S) (BASIC) • Observations · Evidence of the oxidation of Cr3+ • Reduction Half Reaction • Oxidation Half Reaction • Overall Balanced Redox Reaction · Explain occurrence or non-occurrence of reaction by calculating cell. 2. Oxidation of H2O2: H2O2(aq) + FeCl3(aq) • Observations • Evidence of the oxidation of H2O2 • Reduction Half Reaction • Oxidation Half Reaction • Overall Balanced Redox Reaction • Explain occurrence or...
Question 40 (1 point) Consulting the table of standard reduction potentials provided, which species is the best oxidizing agent? 12 reaction Ered (V) Pb4+ + 2e → Pb2+ +1.67 Cd2+ + 2e Cd -0.40 OCd O Pb2+ OP64+ O ca²+ Question 39 (1 point) Which balanced equation corresponds to the formation reaction for carbon monoxide, CO(g)? CO(g) + 1202(g) → CO2(g) 2CO(g) + O2(g) → 2CO2(g) C(s) + 102(g) → CO(g) 2C(s) + O2(g) → 2CO(g) Question 38 (1 point)...
Can you tell me the oxidation numbers for 1. 2. 3. 4. 5. 6.
Experiment 11: Exploring Types of Reactions Single Displacements Balance the single displacement (Redox) reactions below. Report your observations of the reaction in the space provided. Balance the reaction in the full molecular, full ionic, and net ionic forms. The net ionic form represents the essential reaction, ignoring spectators. It is obtained by canceling components that appear on both sides of the full ionic equation. __Mg(s) +...
18. Which statement about redox reactions is not comect? (a) During oxidation a substance loses electrons (b) The oxidation number of an element is zero (c) Oxygen is required for addation (d) Oxidation cannot occur without reduction (e) none of the above 19.11.3 g of acetone. (CH3)2C0.is mibed with 20.7 g of oxygen gas (O) and combusted to form carbon dioxide gas and water vapor. How many grams of CO2 are formed in this process? (a) 25.7 g CO2 (c)...
2. Define the following: a. acid-base reaction b. displacement reaction c. oxidation-reduction reaction d. weak electrolyte 115 A Sequence of Chemical Reactions 3. PPPPPPPPPP Identify the following equations as single or double displacement, redox, acid-base, combination, or decompostion reactions. Some may fit in more than one category. a. Cu(s) + 4HNO, (aq) → Cu(NO),(aq) + 2NO, + 2H,0 Mg(s) + H.SO(aq) - MgSo. (aq) + H (6) CuO(s) + HCl(aq) → Cuci (aq) + H,000 d. Cu(NO),(aq) + 2NaOH(aq ->...
H20 (g) D. Zn (s) НC (аq) ZnCl2 (aq) + Hа(8) Classify each equation above as double displacement [DD], single displacement [SD], combination [C] (synthesis), decomposition [D], oxidation-reduction [redox], or combustion. combusnon В. О A. DD SD 4. Write the balanced chemical equation for the combustion of methane (CH). are the products: Carbon dioxide and water Chy + 202 CO + atzo C- 0-4 A. Classify the type of reaction? B. How many moles of oxygen react with one (1.0)...
Question 51 (8 points) A 10 gram sample of which substance contains the greatest number of hydrogen atoms? 10 grams of CH4 10 grams of HCI 10 grams of PH 3 10 grams of H2 Question 52 (8 points) What is the oxidation number of nitrogen in the nitrate ion? :0: +6 +5 O-1 +1 Question 49 (8 points) Which set of quantum numbers is correct and consistent with n = 4? me = -3 ms = +1 me =...
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