please i need help with queation 4,5a,5b, and 6Homework Answers
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please i need help with queation 4,5a,5b, and 6
4. Consider the reaction of aluminum and...
4. Consider the reaction of aluminum and oxygen: Al(s) + O2(g) Al2O3(...
4. Consider the reaction of aluminum and oxygen: Al(s) + O2(g) Al2O3(s) (i). Which is the limiting reactant if we start with 30.0 g Al and 30.0 g O2? (ii). What is the Theoretical Yield for the reaction? (iii). If 25.85 g of Al2O3 was collected at the completion of the reaction (actual yield), what is the % yield for the reaction? 5. (a). A 1.506-g sample of limestone-containing material gave 0.558 g of...
Please answer the questions clearly, showing all working. 1(i). Balance the following equations, and then write...
Please answer the questions clearly, showing all working. 1(i). Balance the following equations, and then write the net ionic equation (a) (NH4)2CO3(aq) + Cu(NO3)2(aq) → CuCO3(s) + NH4NO3(aq) (b) Mg(OH)2(s) + HCl(aq) → MgCl2(aq) + H2O(l) (c) BaCO3(s) + HBr(aq) → BaBr2(aq) + H2O(l) + CO2(g) 1(ii). For each reaction equation, identify the driving force of the reaction 2. What is an electrolyte? How can you experimentally differentiate between a weak electrolyte and a strong electrolyte? Name and give the...
Someone can please help me with these chemistry questions? Name: CHEM 3. (3.75) Limestone (CaCO,) is...
Someone can please help me with these chemistry
questions?
Name: CHEM 3. (3.75) Limestone (CaCO,) is decomposed by heating to produce quicklime (CaO) and carbon dioxide. (a) Write the balanced chemical equation. (b) What is the mole relationship between limestone CaCO, to quicklime CaO. (c) Calculate how many grams of quicklime can be produced from 1.0 kg of limestone. (1000 g-1 kg: Ca 40.078 amu; O 15.999 amu). 4. (3.93) When heated, lithium reacts with dinitrogen to produce lithium nitride:...
Consider this reaction: 2 AI (s) + 6 H*(aq) - 2 A1** (aq) + 3 H,...
Consider this reaction: 2 AI (s) + 6 H*(aq) - 2 A1** (aq) + 3 H, (9) Which reactant is the reducing agent and why? Select one or more: a. H (aq), because it is reduced b. Al(s), because it is oxidised c. H (aq), because it is oxidised d. Al(s), because it is reduced The student synthesise aluminum oxide according to this reaction: 4 Al(s) + 30 (9) - 2 A1,03(s) Considering the mass of the limiting reactant she...
please write out 4 In the following chemical reaction. Balance the molecular equation by adding coefficient....
please write out
4 In the following chemical reaction. Balance the molecular equation by adding coefficient. Write the net ionic equation by adding phases. Do not write ionic Eq (4 pts) Molecular Eq.: Al(OH), (aq) + HNO, (aq) + - Al(NO) (aq) + HO (1) Net ionic Eq. 5 Determine the oxidation number of the element in the following ions or compounds (1 pt each) a) CIO; CI - b) SO, S = c) PbO Pb- 6 Determine if the...
Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide. 4 HCI(aq) + MnO2(s) MnClj(aq) + 2H20) +C2(g) A sample of 38.7 g MnO2 is added to a soluti...
Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide. 4 HCI(aq) + MnO2(s) MnClj(aq) + 2H20) +C2(g) A sample of 38.7 g MnO2 is added to a solution containing 41.3 g HC. What is the limiting reactant? O HCI O Mno, What is the theoretical yield of Cl2? theoretical yield: g Cl If the yield of the reaction is 78.9%, what is the actual yield of chlorine? actual yield: gC2
Chlorine gas...
27) How many moles of lithium nitrate are theoretically produced if we start with 34 moles Ca(NO₃)₂ and 24 moles of Li₃PO₄ ?
27) How many moles of lithium nitrate are theoretically produced if we start with 34 moles Ca(NO₃)₂ and 24 moles of Li₃PO₄ ?A) 1.4B) 6.8C) 12D) 7.2E) not enough information28) What is the limiting reactant for the following reaction given we have 2.6 moles of HCI and 1.4 moles of Ca(OH)₂?Reaction: 2 HCl+Ca(OH₂ → 2 H₂ O+CaCl₂.A) Ca(OH)₂B) HClC) CaCl₂D) H₂ OE) not enough information29) What is the limiting reactant for the reaction below given that you start with 10,0...
Given the following reaction Ca(s) + 2HCl(aq) → CaCl2(aq) + H2(g) If 0.500 g of Ca...
Given the following reaction Ca(s) + 2HCl(aq) → CaCl2(aq) + H2(g) If 0.500 g of Ca reacts with 0.850 g HCl and 1.21 g CaCl2 are produced, what is the theoretical yield, the percent yield and the limiting reactant? 1.38 g, 87.7%, Ca limiting 1.38 g, 93.8%, HCl limiting 1.29 g, 87.7%, Ca limiting 1.29 g, 93.8% HCl limiting 1.38 g, 92.8%, Ca limiting 1.29 g, 92.8%, HCl limiting
What mass (in g) of silver oxide, Ag2O, is required to produce 27.2 g of silver...
What mass (in g) of silver oxide, Ag2O, is required to produce 27.2 g of silver sulfadiazine, AgC10H9N4SO2, from the reaction of silver oxide and sulfadiazine? 2 C10H10N4SO2 + Ag2O → 2 AgC10H9N4SO2 + H2O A sample of 0.48 g of carbon dioxide was obtained by heating 1.24 g of calcium carbonate. What is the percent yield for this reaction? CaCO3(s) → CaO(s) + CO2(s) Determine the limiting reactant when 0.48 g of Cr and 0.72 g of H3PO4 react...
QUESTION 13 Given the following reaction Ca(s) + 2HCl(aq) - CaCl2(aq) + H2(g) 11.00 g of...
QUESTION 13 Given the following reaction Ca(s) + 2HCl(aq) - CaCl2(aq) + H2(g) 11.00 g of Ca reacts with 0.850 g HCl and 1.21 g CaCl2 are produced, what is the theoretical yield, the percent yield and the limiting reactant? 2.77 .43.7%, Ca limiting 2.77 9, 93.8%, HCI limiting 1.29 g, 43.7%, Ca limiting 1.29 g, 93.8% HCI limiting 2.779, 46.6%, Ca limiting 1.29 9. 46.6%, HCI limiting
Someone can please help me with these chemistry
questions?
Name: CHEM 3. (3.75) Limestone (CaCO,) is decomposed by heating to produce quicklime (CaO) and carbon dioxide. (a) Write the balanced chemical equation. (b) What is the mole relationship between limestone CaCO, to quicklime CaO. (c) Calculate how many grams of quicklime can be produced from 1.0 kg of limestone. (1000 g-1 kg: Ca 40.078 amu; O 15.999 amu). 4. (3.93) When heated, lithium reacts with dinitrogen to produce lithium nitride:...
Consider this reaction: 2 AI (s) + 6 H*(aq) - 2 A1** (aq) + 3 H, (9) Which reactant is the reducing agent and why? Select one or more: a. H (aq), because it is reduced b. Al(s), because it is oxidised c. H (aq), because it is oxidised d. Al(s), because it is reduced The student synthesise aluminum oxide according to this reaction: 4 Al(s) + 30 (9) - 2 A1,03(s) Considering the mass of the limiting reactant she...
please write out
4 In the following chemical reaction. Balance the molecular equation by adding coefficient. Write the net ionic equation by adding phases. Do not write ionic Eq (4 pts) Molecular Eq.: Al(OH), (aq) + HNO, (aq) + - Al(NO) (aq) + HO (1) Net ionic Eq. 5 Determine the oxidation number of the element in the following ions or compounds (1 pt each) a) CIO; CI - b) SO, S = c) PbO Pb- 6 Determine if the...
Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide. 4 HCI(aq) + MnO2(s) MnClj(aq) + 2H20) +C2(g) A sample of 38.7 g MnO2 is added to a solution containing 41.3 g HC. What is the limiting reactant? O HCI O Mno, What is the theoretical yield of Cl2? theoretical yield: g Cl If the yield of the reaction is 78.9%, what is the actual yield of chlorine? actual yield: gC2
Chlorine gas...
QUESTION 13 Given the following reaction Ca(s) + 2HCl(aq) - CaCl2(aq) + H2(g) 11.00 g of Ca reacts with 0.850 g HCl and 1.21 g CaCl2 are produced, what is the theoretical yield, the percent yield and the limiting reactant? 2.77 .43.7%, Ca limiting 2.77 9, 93.8%, HCI limiting 1.29 g, 43.7%, Ca limiting 1.29 g, 93.8% HCI limiting 2.779, 46.6%, Ca limiting 1.29 9. 46.6%, HCI limiting
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