Which of the following chemical equations is balanced? Fe2O3 + CO → Fe + 2CO2 Na2SO2...
Which of the following chemical equations is balanced?
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Fe2O3 |
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Na2SO2 |
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3CuO + 2NH3 → 3Cu + 3H2O + N2 |
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4Al + 3Fe3O4 →
4Al2O3 |
Homework Answers
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Which of the following chemical equations is balanced?
Fe2O3
+ CO → Fe + 2CO2
Na2SO2...
1. when the chemical equation Fe2O3(s)+C(s) (arrow) Fe(s) +CO(g) is balanced, the coefficients in order will...
1. when the chemical equation Fe2O3(s)+C(s) (arrow) Fe(s) +CO(g) is balanced, the coefficients in order will be: 2. In a chemical reaction, the symbol "(s)" may be read as: a)solution b) solid c) soluble d) state 3. A reactant in the chemical reaction Cl2 (g) + 2NABr (aq) arrow 2NACl(aq) + Br2(aq) is: a) chlorine b) sodium chloride c) bromine d) none of the above 4. The reaction Al2O3(s) +6HCl(aq) arrow 2AlCl3(aq) +3H2O(I) is a balanced equation. 5. What is...
Given the equation, which may or may not be balanced: Fe2O3(s) + CO(g) → Fe(s) +...
Given the equation, which may or may not be balanced: Fe2O3(s) + CO(g) → Fe(s) + CO2(g) How many grams of Fe could be produced from the complete reaction of 3.196 grams of Fe2O3 with excess CO? grams Fe What is the percent yield of the reaction if only 1.571 grams of Fe are recovered after the reaction has completed? %
Time Remaining:03:55:13 1. Consider the following balanced equation: 3CuO(s)+ 2NH3(g)3H2O()+3Cu(s) + N2(g) If 80.9 moles of...
Time Remaining:03:55:13 1. Consider the following balanced equation: 3CuO(s)+ 2NH3(g)3H2O()+3Cu(s) + N2(g) If 80.9 moles of CuO(s) and 31.4 moles of NH3(g) are allowed to react, and the percent yield is 90.9%, how many moles of Cu(s) will actually be produced? 62.4 moles 56.7 moles 40.5 moles 42.8 moles 80.0 moles Use the slider to rate your confidence on this question. -1 100 Not at all confident Very confident Irc 55 44 R save subit Rut 101
Determine which of the following chemical equations are correctly balanced. Fe2O3(s)+CO(g)→2Fe(s)+CO2(g) Al2S3(s)+H2O(l)→2Al(OH)3(s)+3H2S(g) 2Cr(s)+3O2(g)→Cr2O3(s) SiO2(s)+4HF(aq)→SiF4(g)+2H2O(l)
Determine which of the following chemical equations are correctly balanced. Fe2O3(s)+CO(g)→2Fe(s)+CO2(g) Al2S3(s)+H2O(l)→2Al(OH)3(s)+3H2S(g) 2Cr(s)+3O2(g)→Cr2O3(s) SiO2(s)+4HF(aq)→SiF4(g)+2H2O(l)
Nitrogen gas can be prepared by passing gaseous ammonia over solid CuO at high temperatures. The...
Nitrogen gas can be prepared by passing gaseous ammonia over solid CuO at high temperatures. The other products of the reation are solid copper and water vapor. If a sample containing 18.1g of NH3 is reacted with 90.4g of CuO, which is the limiting reactant? How many grams of N2 will be formed? What is the theoretical yield ? If 6.63g are actually producted what is the percent yield in this case? I believe the balanced equation is: 2NH3(g) +...
Cina learned how to balance chemical equations. Which of the following is NOT balanced a. 4Al...
Cina learned how to balance chemical equations. Which of the following is NOT balanced a. 4Al +302 → 2Al;0; b. 2Na+ Cl2 → 2NaCl C. 2NaOH + HCI → NaCl + 2H2O d. 2K3PO4 + 3BaCl2 → Bax(PO4)2 +6KCI e. 2NaOH + H2SO4 → Na2SO. + H2O Answer:
The balanced equation for the reduction of iron ore to the metal using CO is Fe2O3 (s)...
The balanced equation for the reduction of iron ore to
the metal using CO is
Fe2O3 (s) + 3CO (g) ----> 2Fe (s) + 3CO2 (g)
What is the maximum mass of iron, in grams, that can be obtained from 937 g of iron(III) oxide? Mass = g Fe What mass of CO is required to react with 937 g of Fe2O3? Mass = gCO
Given the following reactions: Fe2O3(s) + 3 CO(g)2 Fe(s)+ 3 CO2(g) H=-28.0kJ 2 Fe(s) + 4...
Given the following reactions:
Fe2O3(s) + 3 CO(g)2
Fe(s)+ 3 CO2(g)
H=-28.0kJ
2 Fe(s) + 4 CO2(g)4
CO(g) + Fe3O4(s)
H = +12.5 kJ
3 Fe2O3(s) + CO(g) ? CO2(g) + 2 Fe3O4(s)
Find the enthalpy of the reaction of Fe2O3 with CO
Balance out the following equation: Fe2O3 + CO → Fe + CO2
Balance out the following equation: Fe2O3 + CO → Fe + CO2
Select the balanced chemical equation for the synthesis of iron(III) oxide from its elements 4 Fe(s)...
Select the balanced chemical equation for the synthesis of iron(III) oxide from its elements 4 Fe(s) + 3 O2(g) → 2 Fe2O3 2 Fe(s) + 3 O2(9) -2FeO3 Fe(s) + O2(g) – FeO2 Fe(s) + (g) - Feo Fe(s) + 3 O(g) - FeO3
Time Remaining:03:55:13 1. Consider the following balanced equation: 3CuO(s)+ 2NH3(g)3H2O()+3Cu(s) + N2(g) If 80.9 moles of CuO(s) and 31.4 moles of NH3(g) are allowed to react, and the percent yield is 90.9%, how many moles of Cu(s) will actually be produced? 62.4 moles 56.7 moles 40.5 moles 42.8 moles 80.0 moles Use the slider to rate your confidence on this question. -1 100 Not at all confident Very confident Irc 55 44 R save subit Rut 101
Cina learned how to balance chemical equations. Which of the following is NOT balanced a. 4Al +302 → 2Al;0; b. 2Na+ Cl2 → 2NaCl C. 2NaOH + HCI → NaCl + 2H2O d. 2K3PO4 + 3BaCl2 → Bax(PO4)2 +6KCI e. 2NaOH + H2SO4 → Na2SO. + H2O Answer:
The balanced equation for the reduction of iron ore to
the metal using CO is
Fe2O3 (s) + 3CO (g) ----> 2Fe (s) + 3CO2 (g)
What is the maximum mass of iron, in grams, that can be obtained from 937 g of iron(III) oxide? Mass = g Fe What mass of CO is required to react with 937 g of Fe2O3? Mass = gCO
Given the following reactions:
Fe2O3(s) + 3 CO(g)2
Fe(s)+ 3 CO2(g)
H=-28.0kJ
2 Fe(s) + 4 CO2(g)4
CO(g) + Fe3O4(s)
H = +12.5 kJ
3 Fe2O3(s) + CO(g) ? CO2(g) + 2 Fe3O4(s)
Find the enthalpy of the reaction of Fe2O3 with CO
Select the balanced chemical equation for the synthesis of iron(III) oxide from its elements 4 Fe(s) + 3 O2(g) → 2 Fe2O3 2 Fe(s) + 3 O2(9) -2FeO3 Fe(s) + O2(g) – FeO2 Fe(s) + (g) - Feo Fe(s) + 3 O(g) - FeO3
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