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Please explain thouroughly I want to understand how to answer these
three questions as well as...
check my work. if it's wrong please explain. 1) Determine the Oxidation Number of the indicated...
check my work. if it's wrong please explain.
1) Determine the Oxidation Number of the indicated element in each of the following compounds or poly-atomic ion: a) Nitrogen: NH: _3_ NHA - NO + NO +2 HNO: +5 b) Chlorine: HC: | HClo: + HClO +2 HClO: 45 HClO6 +7 c) Sulfur H2S: -2 50z: +4HSO.: +6 SC: + 2 s.0: +a Cox: +4_co: +2 d) Carbon: CHE: -4 e) Chromium: C1:03:43 C=CH: -4 H2C=: f) Manganese: MnO2 +4 Cror...
i need the answer for all of it because its all connected please 1. Determine the...
i need the answer for all of it because its all connected
please
1. Determine the oxidation number of each atom in the following substances (7 pts) a. SO, b. CeH2O c. Nah d. Al(CIO) 2. NHS f. AsF. 2. For the following redox reaction answer the following questions (4 pts) CuS(s) + NO3(aq) → Cut) + SO4(a) + NO) a. What is the element that is oxidized? b. What is the element that is reduced? c. What is the...
Hello, I am not sure what I am doing wrong. Could someone please explain :) Thank...
Hello, I am not sure what I am doing wrong.
Could someone please explain :)
Thank you!
The mineral dolomite contains magnesium carbonate. This reacts with hydrochloric acid. MgCO3(s) + 2 HCl(aq) + CO2(g) + MgCl, (aq) + H20(0) a. Write the net ionic equation for this reaction and identify the spectator ions. (If needed, use H3O+ for the hydronium ion. Use the lowest possible coefficients. Use the pull-down boxes to specify states such as (ag) or (3). If a...
I just understand how to get to the answers of these questions. Please help with all...
I just understand how to get
to the answers of these questions. Please help with all of them.
Especially with the reactions
33 Determine the oxidation number of the underlined element in each of the following chemical formulas. Your answers must include any calculations and/or reasoning in how you derived the oxidation numbers. (4 marks total) а) О, b) Н.РО, с) MnO; d) C0 (5 marks total) 34. Identify the element oxidized and the element reduced, in this chemical equation:...
answer number three please using the equation provided. I dont understand. thanks! 21'(aq) + 2NO2 (aq)...
answer number three please using the equation provided. I dont
understand. thanks!
21'(aq) + 2NO2 (aq) + 4H(aq) - 12(aq) + 2NO(aq) + 2H2O(1) [Eq. 3] (Note from this equation, that in the experiment, the number of moles of iodide ion present is twice the number of moles of iodine that will be determined by the absorbance measurements. That is, the mole ratio of 12:I" is 1:2. You will not need to account for this mole ratio explicitly, if you...
please write legible. answer all questions. 1. Identify each of the following reactions as a precipitation...
please write legible. answer all questions.
1. Identify each of the following reactions as a precipitation reaction, an acid-base reaction or as a redox reaction Pb(NO), (aq) + 2 HCl(aq) - PbCl(s) + 2 HNO(aq) b. 2 H2 + Oxel - 2 H2O CHNO, (aq) + KOH(aq) - KNO, (aq) + H2O (1) d. Zn + 2HCl - ZnCl + H e. Ba"(aq) + 2 Br(aq) + 2 Na' (aq) +SO. (aq) BaSO. (s) + 2 Na'(aq) + 2 Br"...
Please answer question B parts 1-7 RELAB 4 Reactions in Aqueous Solutions Worksheet A A. Write...
Please answer question B parts 1-7
RELAB 4 Reactions in Aqueous Solutions Worksheet A A. Write a balanced net i reaction between dilute (less than 0.1 M) aqueous solutions of onic equation using smallest whole number coefficients for the 1. 2, 3. 4. 5. calcium hydroxide and aluminum chloride. chromium(III) sulfate and barium hydroxide ammonia and hydrobromic acid perchloric acid and sodium hydroxide hydrocyanic acid (HCN) and lithium hydroxide. B. Consider the following unbalanced equation: WO3 (s) + Sn2+ (aq)...
Would some please explain how to solve this problem and what I did wrong? Also, sorry...
Would some please explain how to solve this problem and what I
did wrong? Also, sorry the handwriting is atrocious, I was doing it
in a hurry.
also could you explain how this could possibly be wrong
An unknown compound contains only C. H and O. Combustion of 7.00 g of this compound produced 14.0 g CO, and 5.73 g H,O. What is the empirical formula of the unknown compound? Insert subscripts as needed. empirical rmula: C,H,O formula P the...
CHEM 1033, Sample Exam II (Homework) Chapters 3,4,6 Name: 1. What volume of 0.132 M KOH...
CHEM 1033, Sample Exam II (Homework) Chapters 3,4,6 Name: 1. What volume of 0.132 M KOH solution would react completely with 25.8 ml. of 0.198 M HCl according to the following cquation? HCI+KOH --->KCI+H.O a) 86.4 ml. b) 25.7 ml. c) 38.7 ml d) 17.2 ml. 2. Which one of the following is a strong soluble base? a) Ni(OH): b) Mg(OH): c) RLOH d) ChOH) c) Fe(OH) 3. Which one of the following is a strong acid? a) HF b)...
could someone please answer and explain the questions please!! #’s 7,8,9,13,14,17,18,19,20 please and thank you What...
could someone please answer and explain the questions please!!
#’s 7,8,9,13,14,17,18,19,20
please and thank you
What is the oxidation number for the underlined manganese (A)1 (B)2 (C)4(D)(E)7 When balancing the below half-reaction in 8. Which of the following is true concerning a 1. vanic cc A) Oxidation occurs at the cathode and is (B) Oxidation occurs at the anode and is where anions move towards 2. acidic sol electrons are added to ution, where anions move towards side of.the.cquation. where...
check my work. if it's wrong please explain.
1) Determine the Oxidation Number of the indicated element in each of the following compounds or poly-atomic ion: a) Nitrogen: NH: _3_ NHA - NO + NO +2 HNO: +5 b) Chlorine: HC: | HClo: + HClO +2 HClO: 45 HClO6 +7 c) Sulfur H2S: -2 50z: +4HSO.: +6 SC: + 2 s.0: +a Cox: +4_co: +2 d) Carbon: CHE: -4 e) Chromium: C1:03:43 C=CH: -4 H2C=: f) Manganese: MnO2 +4 Cror...
i need the answer for all of it because its all connected
please
1. Determine the oxidation number of each atom in the following substances (7 pts) a. SO, b. CeH2O c. Nah d. Al(CIO) 2. NHS f. AsF. 2. For the following redox reaction answer the following questions (4 pts) CuS(s) + NO3(aq) → Cut) + SO4(a) + NO) a. What is the element that is oxidized? b. What is the element that is reduced? c. What is the...
Hello, I am not sure what I am doing wrong.
Could someone please explain :)
Thank you!
The mineral dolomite contains magnesium carbonate. This reacts with hydrochloric acid. MgCO3(s) + 2 HCl(aq) + CO2(g) + MgCl, (aq) + H20(0) a. Write the net ionic equation for this reaction and identify the spectator ions. (If needed, use H3O+ for the hydronium ion. Use the lowest possible coefficients. Use the pull-down boxes to specify states such as (ag) or (3). If a...
I just understand how to get
to the answers of these questions. Please help with all of them.
Especially with the reactions
33 Determine the oxidation number of the underlined element in each of the following chemical formulas. Your answers must include any calculations and/or reasoning in how you derived the oxidation numbers. (4 marks total) а) О, b) Н.РО, с) MnO; d) C0 (5 marks total) 34. Identify the element oxidized and the element reduced, in this chemical equation:...
answer number three please using the equation provided. I dont
understand. thanks!
21'(aq) + 2NO2 (aq) + 4H(aq) - 12(aq) + 2NO(aq) + 2H2O(1) [Eq. 3] (Note from this equation, that in the experiment, the number of moles of iodide ion present is twice the number of moles of iodine that will be determined by the absorbance measurements. That is, the mole ratio of 12:I" is 1:2. You will not need to account for this mole ratio explicitly, if you...
please write legible. answer all questions.
1. Identify each of the following reactions as a precipitation reaction, an acid-base reaction or as a redox reaction Pb(NO), (aq) + 2 HCl(aq) - PbCl(s) + 2 HNO(aq) b. 2 H2 + Oxel - 2 H2O CHNO, (aq) + KOH(aq) - KNO, (aq) + H2O (1) d. Zn + 2HCl - ZnCl + H e. Ba"(aq) + 2 Br(aq) + 2 Na' (aq) +SO. (aq) BaSO. (s) + 2 Na'(aq) + 2 Br"...
Please answer question B parts 1-7
RELAB 4 Reactions in Aqueous Solutions Worksheet A A. Write a balanced net i reaction between dilute (less than 0.1 M) aqueous solutions of onic equation using smallest whole number coefficients for the 1. 2, 3. 4. 5. calcium hydroxide and aluminum chloride. chromium(III) sulfate and barium hydroxide ammonia and hydrobromic acid perchloric acid and sodium hydroxide hydrocyanic acid (HCN) and lithium hydroxide. B. Consider the following unbalanced equation: WO3 (s) + Sn2+ (aq)...
Would some please explain how to solve this problem and what I
did wrong? Also, sorry the handwriting is atrocious, I was doing it
in a hurry.
also could you explain how this could possibly be wrong
An unknown compound contains only C. H and O. Combustion of 7.00 g of this compound produced 14.0 g CO, and 5.73 g H,O. What is the empirical formula of the unknown compound? Insert subscripts as needed. empirical rmula: C,H,O formula P the...
CHEM 1033, Sample Exam II (Homework) Chapters 3,4,6 Name: 1. What volume of 0.132 M KOH solution would react completely with 25.8 ml. of 0.198 M HCl according to the following cquation? HCI+KOH --->KCI+H.O a) 86.4 ml. b) 25.7 ml. c) 38.7 ml d) 17.2 ml. 2. Which one of the following is a strong soluble base? a) Ni(OH): b) Mg(OH): c) RLOH d) ChOH) c) Fe(OH) 3. Which one of the following is a strong acid? a) HF b)...
could someone please answer and explain the questions please!!
#’s 7,8,9,13,14,17,18,19,20
please and thank you
What is the oxidation number for the underlined manganese (A)1 (B)2 (C)4(D)(E)7 When balancing the below half-reaction in 8. Which of the following is true concerning a 1. vanic cc A) Oxidation occurs at the cathode and is (B) Oxidation occurs at the anode and is where anions move towards 2. acidic sol electrons are added to ution, where anions move towards side of.the.cquation. where...
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