1. Write out each chemical reaction including your observations and corresponding solubility rule. Be sure to...
1. Write out each chemical reaction including your observations and corresponding solubility rule. Be sure to balance the reaction equations.
a. Mn2+ + NaOH
b. Mn(OH)2 + HNO3
c. Mn2+ + NaBiO3
Homework Answers
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1. Write out each chemical reaction including your observations
and corresponding solubility rule. Be sure to...
Write chemical equations corresponding to these observations: a. When Cr(NO3)3 is dissolved in water, the pH decreases....
Write chemical equations corresponding to these observations: a. When Cr(NO3)3 is dissolved in water, the pH decreases. b. When the pH of a 1.0 M solution of Mg2+ is raised above 8.5, precipitation occurs. c. A precipitate of aluminum hydroxide can be redissolved with 6 M KOH. d. A precipitate of aluminum hydroxide can be redissolved with 6 M HNO3.
#3. - Determine the pH, [H3O+], pOH and [OH‾] for each of the following. Be sure...
#3. - Determine the pH, [H3O+], pOH and [OH‾] for each of the following. Be sure to write balanced chemical equation and the set-up for solving the problem. a. 1.5 M HNO3 b. 0.25 M Sr(OH)2 c. 0.035 M HNO2 d. 0.0048 M Mn(OH)2 #1 - What are the [H3O+] and the pH of a solution that consists of 0.33 M C6H5COOH (benzoic acid) and 0.28 M C6H5COONa (sodium benzoate)? The Ka of benzoic acid is 6.3 x 10-5. #8-...
Name Worksheet 8 - Chemical Reactions Directions: Answer each of the following questions. Be sure to...
Name Worksheet 8 - Chemical Reactions Directions: Answer each of the following questions. Be sure to complete sentences where appropriate. For full credit be sure to show all of your work. Where appropriate anwes should be boxed for clarity, written to the correct number of significant figures, and include proper units. Remember to include phase labels in your balanced chemical reactions. 1. Single Replacement Reactions - Write the correctly balanced chemical equation for cach and write which clement is more...
Part B: Short Answer Balance the following chemical equations. Write in ALL coefficients including 1. Also,...
Part B: Short Answer Balance the following chemical equations. Write in ALL coefficients including 1. Also, determine the type of reaction that is occurring. If you are unsure of the reaction type, please read your textbook! Reaction Equation Reaction Type CaCO3 + CaO + CO2 HCl + __Ca(OH)2 → __CaCl2 + _H20 _CuSO4 + __K → _K2SO4 + __ Cu C2H6 +_02 →_CO2 + _H2O _ H2 + ___ Br2 → __ HBO _ Fe(NO3)2 + _NaCl → __FeCl2 +_...
Name Section Desk No. Date In the table below for each reaction report your observations, corresponding...
Name Section Desk No. Date In the table below for each reaction report your observations, corresponding chemical equations and where appropriate, Indicate in what direction, if any, the equilibrium shifts by checking off the appropriate box. Equili brium Shifts to: The Left The Right Remains the Same Step Observation Net Ionic Equation Net Ionic Equation for Equilibrium 000xx0xXXXXxXXXX Ca(OH) (s Ca (aq)+20H (aq) x00000000000oxx Fe (aq)+SCN(aq) FeNCS (aq) x000000000000x Fe(aq)+SCN (ag) FeNCS2(aq) 10 xxxxxxxxxxxxxx Co2.(aq) +4craq)= CoCL2(aq) 00000000000x Co (aq)+4Cr...
C. Given reactants for the double replacement reaction. 1) identify two reaction products using! the solubility...
C. Given reactants for the double replacement reaction. 1) identify two reaction products using! the solubility rules, include state (i.e., (s), (I), (aq)) for each product, and balance reaction (5 pts). Na3PO4(aq) + __Ca(NO3)2 (aq) → D. Given the following oxidation-reduction reaction, write out the two metal atom/metal ion half reactions including the electrons needed to balance charge. Identify which half reaction is the oxidation and which half reaction is the reduction (5 pts): Mn2+ (aq) + CuNO3(8) ► Mn3+...
Write the five equations (balanced and including states). Label them step 1 through 5. HINT gor the step 1 reaction: ge...
Write the five equations (balanced and including states). Label
them step 1 through 5. HINT gor the step 1 reaction: get rid of O2
and 2 moles of NO2 is made for every 4 moles of HNO3.
Unbalanced reactions for each step: Step 1: HNO3(aq) + Cu(s) + O2 (g) → Cu(NO3)2(aq) + H2O(l) + NO2(g) Step 2: Cu(NO3)2(aq) + NaOH(aq) → Cu(OH)2(s) + NaNO3(aq) Step 3: Cu(OH)2(s) → CuO(s) + H2O(1) Step 4: CuO(s) + H2SO4(aq) → CuSO4(aq) +...
26. For the following chemical reaction write the net ionic equation, including the phases. a) 2HBr(aq)+Ba(OH)2(aq)...
26. For the following chemical reaction write the net ionic equation, including the phases. a) 2HBr(aq)+Ba(OH)2(aq) --> 2H2O(L)+BaBr2(aq) write the net ionic equation, including the phases. b) HClO2(aq)+NaOH(aq) --> H2O(L)+NaClO2(aq)
MAKING PHYSICAL & CHEMICAL OBSERVATIONS PART B: SOLUBILITY vs. REACTIVITY Prelaboratory Questions 1. (2 marks)...
MAKING PHYSICAL & CHEMICAL OBSERVATIONS PART B: SOLUBILITY vs. REACTIVITY Prelaboratory Questions 1. (2 marks) Provide a maximum half-page summary of the experimental procedure. This can take the form of a flowchart (recommended) or a list of the main steps in the procedure (remember to both summarize and paraphrase). (Use space on the next page.) 2. (1.5 marks) Write the missing chemical formula or name for each of the following substances listed in the procedure. Name Formula ammonium chloride calcium...
Record your experimental observations and write the equations for any of the 12 ionic solution combinations...
Record your experimental observations and write the equations for any of the 12 ionic solution combinations analyzed that resulted in double replacement reaction (see pg. 48 of the lab manual). Include the Evidence of a Reaction and a complete balanced equation for the double replacement reactions that occurred If no reaction occurs for the system, write "No Reaction" 1.NaCI+KNO3 2. NaCI + AgNO3 3. NaCO3+ HCI 4. NaCO3 + HCI 5.BaCI2 + H2SO4 6. NH4OH + H2SO4 7. CuSO4 +...
Name Worksheet 8 - Chemical Reactions Directions: Answer each of the following questions. Be sure to complete sentences where appropriate. For full credit be sure to show all of your work. Where appropriate anwes should be boxed for clarity, written to the correct number of significant figures, and include proper units. Remember to include phase labels in your balanced chemical reactions. 1. Single Replacement Reactions - Write the correctly balanced chemical equation for cach and write which clement is more...
Part B: Short Answer Balance the following chemical equations. Write in ALL coefficients including 1. Also, determine the type of reaction that is occurring. If you are unsure of the reaction type, please read your textbook! Reaction Equation Reaction Type CaCO3 + CaO + CO2 HCl + __Ca(OH)2 → __CaCl2 + _H20 _CuSO4 + __K → _K2SO4 + __ Cu C2H6 +_02 →_CO2 + _H2O _ H2 + ___ Br2 → __ HBO _ Fe(NO3)2 + _NaCl → __FeCl2 +_...
Name Section Desk No. Date In the table below for each reaction report your observations, corresponding chemical equations and where appropriate, Indicate in what direction, if any, the equilibrium shifts by checking off the appropriate box. Equili brium Shifts to: The Left The Right Remains the Same Step Observation Net Ionic Equation Net Ionic Equation for Equilibrium 000xx0xXXXXxXXXX Ca(OH) (s Ca (aq)+20H (aq) x00000000000oxx Fe (aq)+SCN(aq) FeNCS (aq) x000000000000x Fe(aq)+SCN (ag) FeNCS2(aq) 10 xxxxxxxxxxxxxx Co2.(aq) +4craq)= CoCL2(aq) 00000000000x Co (aq)+4Cr...
C. Given reactants for the double replacement reaction. 1) identify two reaction products using! the solubility rules, include state (i.e., (s), (I), (aq)) for each product, and balance reaction (5 pts). Na3PO4(aq) + __Ca(NO3)2 (aq) → D. Given the following oxidation-reduction reaction, write out the two metal atom/metal ion half reactions including the electrons needed to balance charge. Identify which half reaction is the oxidation and which half reaction is the reduction (5 pts): Mn2+ (aq) + CuNO3(8) ► Mn3+...
Write the five equations (balanced and including states). Label
them step 1 through 5. HINT gor the step 1 reaction: get rid of O2
and 2 moles of NO2 is made for every 4 moles of HNO3.
Unbalanced reactions for each step: Step 1: HNO3(aq) + Cu(s) + O2 (g) → Cu(NO3)2(aq) + H2O(l) + NO2(g) Step 2: Cu(NO3)2(aq) + NaOH(aq) → Cu(OH)2(s) + NaNO3(aq) Step 3: Cu(OH)2(s) → CuO(s) + H2O(1) Step 4: CuO(s) + H2SO4(aq) → CuSO4(aq) +...
MAKING PHYSICAL & CHEMICAL OBSERVATIONS PART B: SOLUBILITY vs. REACTIVITY Prelaboratory Questions 1. (2 marks) Provide a maximum half-page summary of the experimental procedure. This can take the form of a flowchart (recommended) or a list of the main steps in the procedure (remember to both summarize and paraphrase). (Use space on the next page.) 2. (1.5 marks) Write the missing chemical formula or name for each of the following substances listed in the procedure. Name Formula ammonium chloride calcium...
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