Homework Answers
1. H2CO3
The equation is: H2CO3(aq)
CO2(g)+ H2O(l)
2. Cu(NO3)2(aq) +
Na2CO3(aq)
CuCO3(s) + 2 NaNO3(aq) which forms the
precipitate
3. A polyprotic acid must have more than 1 H+ ion. Her only H2SO4 matches this criteria
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Part A Which of the following compounds will undergo a gas-evolving reaction in an aqueous solution?...
27) What is the concentration (molarity) of HCI in the final solution when 65 mL of...
27) What is the concentration (molarity) of HCI in the final solution when 65 mL of a 9.0 M HCl solution is diluted with pure water to a total volume of 0.15 L? 28) How many milliliters of a 9.0 M H2SO4 solution are needed to make 0. 45 L of a 3.5 M solution? A) 0. 18 mL B) 1.2 mL C) 180 mL D) 1200 mL 29) A student prepared a stock solution by dissolving 15.0 g of...
29,31,32 please 29) A student prepared a stock solution by dissolving 15.0 g of KOH in...
29,31,32 please
29) A student prepared a stock solution by dissolving 15.0 g of KOH in enough water to make 150 mL of solution. She then took 15.0 mL of the stock solution and diluted it with enough water to make water to make 65.0 mL of a final solution. What is the concentration of KOH for the final solution? A) O. 411 M B) 0.534 M C) 1.87 M D) 2.43 M 30) The mixing of which pair of...
The mixing of which pair of reactants will result in a precipitation reaction? K2SO4(aq) + Sr(NO3)2(aq)...
The mixing of which pair of reactants will result in a precipitation reaction? K2SO4(aq) + Sr(NO3)2(aq) HCl(aq) + Ca(OH)2(aq) NaNO3(aq) + NH4Cl(aq) CsI(aq) + NaOH(aq) Submit Request Answer
Part A What is the reduction half reaction for the following chemical reaction in a basic...
Part A What is the reduction half reaction for the following chemical reaction in a basic solution? Sn2+(aq) + 2 CIO, (aq) + OH(aq) + SnO(s) + 2 CIO2(aq) + H2O() Sn2(aq) + 4 OH(aq) - SnOz(s) + 2 H2O() +2e CIO(aq) + 2 H(aq) +- CIO3(aq) + H2O() CIO (aq) + H2O()+'+ CO2(aq) + 2 OH(aq) Sn2+ (aq) + 2 H20(1) - SnO2(s) + 4 H*(aq) + 2e* Submit Request Answer Part A What is the shorthand notation that...
28) How many milliliters of a 9.0 M H2504 solution are needed to make 0.45 Lof...
28) How many milliliters of a 9.0 M H2504 solution are needed to make 0.45 Lof a 3.5 M solution? Vi=MzV2 - 3.5x450 175ml A) O. 18 ml B) 1.2 ml C) 180 ml D) 1200 ml 29) A student prepared a stock solution by dissolving 15.0 g of KOH in enough water to make 150. mL of solution. She then took 15.0 mL of the stock solution and diluted it with enough water to make water to make 65.0...
Choose the correct products of the following reaction Part A Choose the correct products of the...
Choose the correct products of
the following reaction
Part A Choose the correct products of the following reaction: Ba(CIO4)2 (aq)+Na2SO4 (aq)- View Available Hint(s) Hint 1. How to predict the formation of a precipitate O BaNa2 (aq)+ SO4(CIO4) (aq) O NaCIO4 (aq) + BaSO4 (aq) e NaCIO4 (s) + BaS04 (aq) O NaCIO4 (aq) + BaS04 (s) SubmitRe Request Answer Provide Feedback Type here to search
Complete and balance the following methesis reaction in aqueous solution. Instructions • Use proper element capitalization....
Complete and balance the following methesis reaction in aqueous solution. Instructions • Use proper element capitalization. Iron = Fe not fe. • Enter formulas without subscrips: CaCl2 = CaCl2, K2SO4 = K2SO4 • Monoatomic ions do not require parentheses. Correct: Na2CO3. Incorrect: (Na)2CO3 •Polyatomic ions only require parentheses when there are two or more. Correct: Na3PO4. Incorrect: Na3(PO4), Correct: NH4NO3. Incorrect: (NH4)(NO3). correct: Ca3(PO4)2 • In each case one product is soluble (aq) and one insoluble (s). Use solubility rules...
Which net ionic equation best represents the reaction that occurs when an aqueous solution of potassium...
Which net ionic equation best represents the reaction that occurs when an aqueous solution of potassium nitrate is mixed with an aqueous solution of ammonium bromide? A K'(aq)+Br (ag)-KBr() C. K+(aq) + NH4Br(aq)-KBr(s) + NH4+(aq) E. NH,'(aq) + N03-(aq) → NI4NOy(ag) O D. No net reaction occurs Submit Anewer Try Another Version 1 item attempt remalning
Which of the following is a redox reaction? More than one answer may be correct. HBr(aq)...
Which of the following is a redox reaction? More than one answer may be correct. HBr(aq) + KOH(aq) → H20(1) + KBr(aq) SO3(g) + H20(1) - H2SO4(aq) HBr(aq) + Na2S(aq) - NaBr(aq) + H2S(g) NH4+(aq) + 2O2(g) H2O(l) + NO3(aq) + 2 H+(aq) 2 Na(s) + Cl2(g) → 2 NaCl(s) None of the above are redox reactions.
Complete and balance each of the following equations. If no reaction occurs, enter NOREACTION. Part A...
Complete and balance each of the following equations. If no reaction occurs, enter NOREACTION. Part A Nal(aq) +BaS(aq) + Express your answer as a complete chemical equation including phases. Enter NOREACTION if no reaction occurs. ΑΣΦ ? Submit Request Answer Part B KI(aq) + Cas(aq) + Express your answer as a complete chemical equation including phases. Enter NOREACTION if no reaction occurs. ΑΣΦ ? Submit Request Answer Part C MnBr2(aq) + Na2CO3(aq) + Express your answer as a complete chemical...
27) What is the concentration (molarity) of HCI in the final solution when 65 mL of a 9.0 M HCl solution is diluted with pure water to a total volume of 0.15 L? 28) How many milliliters of a 9.0 M H2SO4 solution are needed to make 0. 45 L of a 3.5 M solution? A) 0. 18 mL B) 1.2 mL C) 180 mL D) 1200 mL 29) A student prepared a stock solution by dissolving 15.0 g of...
29,31,32 please
29) A student prepared a stock solution by dissolving 15.0 g of KOH in enough water to make 150 mL of solution. She then took 15.0 mL of the stock solution and diluted it with enough water to make water to make 65.0 mL of a final solution. What is the concentration of KOH for the final solution? A) O. 411 M B) 0.534 M C) 1.87 M D) 2.43 M 30) The mixing of which pair of...
The mixing of which pair of reactants will result in a precipitation reaction? K2SO4(aq) + Sr(NO3)2(aq) HCl(aq) + Ca(OH)2(aq) NaNO3(aq) + NH4Cl(aq) CsI(aq) + NaOH(aq) Submit Request Answer
Part A What is the reduction half reaction for the following chemical reaction in a basic solution? Sn2+(aq) + 2 CIO, (aq) + OH(aq) + SnO(s) + 2 CIO2(aq) + H2O() Sn2(aq) + 4 OH(aq) - SnOz(s) + 2 H2O() +2e CIO(aq) + 2 H(aq) +- CIO3(aq) + H2O() CIO (aq) + H2O()+'+ CO2(aq) + 2 OH(aq) Sn2+ (aq) + 2 H20(1) - SnO2(s) + 4 H*(aq) + 2e* Submit Request Answer Part A What is the shorthand notation that...
28) How many milliliters of a 9.0 M H2504 solution are needed to make 0.45 Lof a 3.5 M solution? Vi=MzV2 - 3.5x450 175ml A) O. 18 ml B) 1.2 ml C) 180 ml D) 1200 ml 29) A student prepared a stock solution by dissolving 15.0 g of KOH in enough water to make 150. mL of solution. She then took 15.0 mL of the stock solution and diluted it with enough water to make water to make 65.0...
Choose the correct products of
the following reaction
Part A Choose the correct products of the following reaction: Ba(CIO4)2 (aq)+Na2SO4 (aq)- View Available Hint(s) Hint 1. How to predict the formation of a precipitate O BaNa2 (aq)+ SO4(CIO4) (aq) O NaCIO4 (aq) + BaSO4 (aq) e NaCIO4 (s) + BaS04 (aq) O NaCIO4 (aq) + BaS04 (s) SubmitRe Request Answer Provide Feedback Type here to search
Which net ionic equation best represents the reaction that occurs when an aqueous solution of potassium nitrate is mixed with an aqueous solution of ammonium bromide? A K'(aq)+Br (ag)-KBr() C. K+(aq) + NH4Br(aq)-KBr(s) + NH4+(aq) E. NH,'(aq) + N03-(aq) → NI4NOy(ag) O D. No net reaction occurs Submit Anewer Try Another Version 1 item attempt remalning
Which of the following is a redox reaction? More than one answer may be correct. HBr(aq) + KOH(aq) → H20(1) + KBr(aq) SO3(g) + H20(1) - H2SO4(aq) HBr(aq) + Na2S(aq) - NaBr(aq) + H2S(g) NH4+(aq) + 2O2(g) H2O(l) + NO3(aq) + 2 H+(aq) 2 Na(s) + Cl2(g) → 2 NaCl(s) None of the above are redox reactions.
Complete and balance each of the following equations. If no reaction occurs, enter NOREACTION. Part A Nal(aq) +BaS(aq) + Express your answer as a complete chemical equation including phases. Enter NOREACTION if no reaction occurs. ΑΣΦ ? Submit Request Answer Part B KI(aq) + Cas(aq) + Express your answer as a complete chemical equation including phases. Enter NOREACTION if no reaction occurs. ΑΣΦ ? Submit Request Answer Part C MnBr2(aq) + Na2CO3(aq) + Express your answer as a complete chemical...
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