Homework Answers
No it is not potential source of mercury pollution at standard condition and 10 celcius because it doesn't decompose at such a low temperature.
It decomposes at higher temperature condition yellow hgo decompose at 332degree celcius and red hgo decompose at 500degree celcius.
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5. The reddish-colored mercury oxide (HgO) can decompose according to the following reaction: HgOs → Hg(e) + 1/2029)...
help asap please Question 8 (1 point) For the decomposition of mercury(II) oxide, Hgo, to mercury...
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Question 8 (1 point) For the decomposition of mercury(II) oxide, Hgo, to mercury and oxygen: 2HgO(s) → 2Hg() + O2(g) What is the standard change in entropy for this reaction? Sº / J-mol-4K-1 HgO(s) 70.29 Hg(1) 76.02 O2(g) 205.14 351.45 J-K-1 58.83 J-K-1 O 216.60 JK-1 210.87 J-K-1 Question 7 (1 point) Which process would be predicted to have AS < 0? O a solid melting O a solution being made a solid compound decomposing to evolve...
described in (a). 11. Joseph Priestley's study of the decomposition of mercury(II) oxide (HgO) with heat...
described in (a). 11. Joseph Priestley's study of the decomposition of mercury(II) oxide (HgO) with heat led to the discovery of O2. The balanced equation for this reaction is shown in Equation 9. (Eq. 9) beat 2 HgO(s) 2 Hg()+O2(g) (a) How many grams of O2 could possibly be formed by the decomposition of 75.0 g of HgO? (b) How many grams of HgO must be decomposed to produce 75.0 g of O2? 12. Propane (CHs) is used as a...
The overall reaction of a mercury cell is Zn(s) + HgO(s) + H2O(l) → Zn(OH)2(s) +...
The overall reaction of a mercury cell is Zn(s) + HgO(s) + H2O(l) → Zn(OH)2(s) + Hg(l) If a mercury cell contains 0.100 g of HgO, and the HgO is the limiting reagent, the time (days) for which a current of 1.00 × 10-5 A could flow from the cell is A. 103 B. 20.6 C. 309 D. 51.2 E. 6.9
1. A 4.385 g sample of mercury (II)oxide was decomposed to produce 4.003 g of liquid...
1. A 4.385 g sample of mercury (II)oxide was decomposed to produce 4.003 g of liquid mercury according to the equation below. Calculate the percent yield of mercury. 2 HgO(s)-> 2Hg() + O2(g) 4.385 (21656 =4.0039 2. Strontium carbonate decomposes into strontium oxide and carbon dioxide gas when heated, as shown below. What mass of strontium carbonate would be required to produce 49 g of strontium oxide, assuming the reaction went at 100% yield? SrCO3(s) > SEO (s) + CO2(g)...
Table 1 Cell Type Lithium-iodine Zinc-mercury Operating Cell Potential for Commercial Batteries, E (V) +2.80 +1.35...
Table 1 Cell Type Lithium-iodine Zinc-mercury Operating Cell Potential for Commercial Batteries, E (V) +2.80 +1.35 Table 2 Standard Reduction Potential, E" (V) Half-Reaction Zn(OH).1? +2e → Zn +40H Zn(OH), +2e → Zn +20H HgO + H2O +2e - Hg + 2OH 0, + 2 H2O + 4e 40H - 1.20 |--1.25 +0.10 +0.40 Pacemakers are electronic devices that help regulate the heart rate. Currently, lithium-iodine cells are commonly used to power pacemakers and have replaced zinc-mercury cells. Table 1...
10. (a) Determine the mass of calcium oxide (CaO, lime) that can possibly be produced by...
10. (a) Determine the mass of calcium oxide (CaO, lime) that can possibly be produced by heating 44.6 g of calcium carbonate (CaCO). The balanced equation for this reaction is shown in Equation 8 heat CaO(s) +CO2 (g) CaCOs(s) (Eq. 8) (b) Determine the mass of CO2 that would be produced by the reaction described in (a). 11. Joseph Priestley's study of the decomposition of mercury(ID oxide (HgO) with heat led to the discovery of O2. The balanced equation for...
Calcium carbonate can decompose into calcium oxide and carbon dioxide gas with the (c) reaction: CaCO3...
Calcium carbonate can decompose into calcium oxide and carbon dioxide gas with the (c) reaction: CaCO3 СаО + СО2 The change in enthalpy for this reaction is AH = +178 kJ/mol and the change in entropy is AS = +0.16 kJ/(K. mol) (i) Describe the concept of the Gibbs energy and how it is related to the enthalpy and entropy (ii Hence calculate the minimum temperature for the decomposition of calcium carbonate to proceed spontaneously An Einstein solid consists of...
Help solve this problem relato of gas in a chemical res (a) masas problem b) mas...
Help solve this problem
relato of gas in a chemical res (a) masas problem b) mas volume problem volume-olume ochinery son of the e e d 2. Whaterest two substances C mol non ten el none of these e W 3. What (10 points) Show your answers clearly for all the following questions 1. Using the conservation of mass law, predict the mass of NH3 gas produced from the reaction of 1.000 g N, and 0.216 g Hz. N2(g) +...
32. Calcula te Δ Go for the following reaction at 25°C. You will have to look up the thermodynamic data the correct units with your answer 2C:Ho(g) + 7O2(g)--4CO(g) + 6H0(,) 33. The element oxyge...
32. Calcula te Δ Go for the following reaction at 25°C. You will have to look up the thermodynamic data the correct units with your answer 2C:Ho(g) + 7O2(g)--4CO(g) + 6H0(,) 33. The element oxygen was prepared by Joseph Priestley in 1774 by heating mercury() oxide: Ho(r) +ソ202(g), 솨4" " 90.84 kJ/mol. Hg0(s) Estimate the temperature (in °C) at which this reaction will become spontaneous under standard state conditions 10 pts) S (Hg) 76.02 JIK mol S'(On) 205.0 J/K mol...
mostly need help with 9, and 12 9. Consider the following reaction: 6Fe+2(aq) + Cr2072 (aq)...
mostly need help with 9, and 12
9. Consider the following reaction: 6Fe+2(aq) + Cr2072 (aq) → 6 Fe+3(aq) + 2 Cr3(aq) How many electrons are transferred in the reaction? a. 12 b. 9 d. 3 e. O 10. Which of the following is a weak acid? a. H2SO4 b. HCIO C. HF d. HCI e. HNO3 11. Which of the following is a strong acid? a. H3PO4 b. HCIO4 C. H2S d. H2Cr04 e. HNO2 12. A 20.0 g...
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Question 8 (1 point) For the decomposition of mercury(II) oxide, Hgo, to mercury and oxygen: 2HgO(s) → 2Hg() + O2(g) What is the standard change in entropy for this reaction? Sº / J-mol-4K-1 HgO(s) 70.29 Hg(1) 76.02 O2(g) 205.14 351.45 J-K-1 58.83 J-K-1 O 216.60 JK-1 210.87 J-K-1 Question 7 (1 point) Which process would be predicted to have AS < 0? O a solid melting O a solution being made a solid compound decomposing to evolve...
described in (a). 11. Joseph Priestley's study of the decomposition of mercury(II) oxide (HgO) with heat led to the discovery of O2. The balanced equation for this reaction is shown in Equation 9. (Eq. 9) beat 2 HgO(s) 2 Hg()+O2(g) (a) How many grams of O2 could possibly be formed by the decomposition of 75.0 g of HgO? (b) How many grams of HgO must be decomposed to produce 75.0 g of O2? 12. Propane (CHs) is used as a...
1. A 4.385 g sample of mercury (II)oxide was decomposed to produce 4.003 g of liquid mercury according to the equation below. Calculate the percent yield of mercury. 2 HgO(s)-> 2Hg() + O2(g) 4.385 (21656 =4.0039 2. Strontium carbonate decomposes into strontium oxide and carbon dioxide gas when heated, as shown below. What mass of strontium carbonate would be required to produce 49 g of strontium oxide, assuming the reaction went at 100% yield? SrCO3(s) > SEO (s) + CO2(g)...
Table 1 Cell Type Lithium-iodine Zinc-mercury Operating Cell Potential for Commercial Batteries, E (V) +2.80 +1.35 Table 2 Standard Reduction Potential, E" (V) Half-Reaction Zn(OH).1? +2e → Zn +40H Zn(OH), +2e → Zn +20H HgO + H2O +2e - Hg + 2OH 0, + 2 H2O + 4e 40H - 1.20 |--1.25 +0.10 +0.40 Pacemakers are electronic devices that help regulate the heart rate. Currently, lithium-iodine cells are commonly used to power pacemakers and have replaced zinc-mercury cells. Table 1...
10. (a) Determine the mass of calcium oxide (CaO, lime) that can possibly be produced by heating 44.6 g of calcium carbonate (CaCO). The balanced equation for this reaction is shown in Equation 8 heat CaO(s) +CO2 (g) CaCOs(s) (Eq. 8) (b) Determine the mass of CO2 that would be produced by the reaction described in (a). 11. Joseph Priestley's study of the decomposition of mercury(ID oxide (HgO) with heat led to the discovery of O2. The balanced equation for...
Calcium carbonate can decompose into calcium oxide and carbon dioxide gas with the (c) reaction: CaCO3 СаО + СО2 The change in enthalpy for this reaction is AH = +178 kJ/mol and the change in entropy is AS = +0.16 kJ/(K. mol) (i) Describe the concept of the Gibbs energy and how it is related to the enthalpy and entropy (ii Hence calculate the minimum temperature for the decomposition of calcium carbonate to proceed spontaneously An Einstein solid consists of...
Help solve this problem
relato of gas in a chemical res (a) masas problem b) mas volume problem volume-olume ochinery son of the e e d 2. Whaterest two substances C mol non ten el none of these e W 3. What (10 points) Show your answers clearly for all the following questions 1. Using the conservation of mass law, predict the mass of NH3 gas produced from the reaction of 1.000 g N, and 0.216 g Hz. N2(g) +...
32. Calcula te Δ Go for the following reaction at 25°C. You will have to look up the thermodynamic data the correct units with your answer 2C:Ho(g) + 7O2(g)--4CO(g) + 6H0(,) 33. The element oxygen was prepared by Joseph Priestley in 1774 by heating mercury() oxide: Ho(r) +ソ202(g), 솨4" " 90.84 kJ/mol. Hg0(s) Estimate the temperature (in °C) at which this reaction will become spontaneous under standard state conditions 10 pts) S (Hg) 76.02 JIK mol S'(On) 205.0 J/K mol...
mostly need help with 9, and 12
9. Consider the following reaction: 6Fe+2(aq) + Cr2072 (aq) → 6 Fe+3(aq) + 2 Cr3(aq) How many electrons are transferred in the reaction? a. 12 b. 9 d. 3 e. O 10. Which of the following is a weak acid? a. H2SO4 b. HCIO C. HF d. HCI e. HNO3 11. Which of the following is a strong acid? a. H3PO4 b. HCIO4 C. H2S d. H2Cr04 e. HNO2 12. A 20.0 g...
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