A mercury mirror forms inside a test tube by the thermal decomposition of mercury(II) oxide. 2 HgO(s) 2 Hg(l) + O2(g) Hrxn = 181.6 kJ (a) How much heat is needed to decompose 546 g of the oxide? kJ (b) If 279 kJ of heat is absorbed, how many grams of mercury form?

Q: In the following reaction, how much heat (in kJ) is released when 3.41 moles of CH₄ are burned? CH₄…

A: The balanced reaction taking place is given as, => CH4 (g) + 2 O2 (g) -------> CO2 (g) + 2 H2O…

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Q: Deterioration of buildings, bridges, and other structures through the rusting of iron costs millions…

A: The balanced reaction taking place is given as, => 4 Fe (s) + 3 O2 (g) → 2 Fe2O3 (s)…

Q: Deterioration of buildings, bridges, and other structures through the rusting of iron costs millions…

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Q: What is the specific heat of silver if it takes 75.8 cal to raise the temperature of a 85g silver…

A: The specific heat of silver is calculated by using the following formula,

Q: n the following reaction, how much heat (in kJ) is released when 3.21 moles of CH₄ are burned? CH₄…

A: Exothermic reactions are reactions that release energy usually in the form of heat or light.

Q: In the following reaction, how much heat (in kJ) is released when 2.49 moles of CH4 are burned? CH4…

A: given, CH4(g) + 2O2(g) → CO2 (g) + 2 H2O(g) △H= -802 kJ/mol one mole of methane gives 802 kJ of…

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A: Since we only answer up to 3 sub-parts, we’ll answer the first 3. Please resubmit the question and…

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Q: 4. How much work is done by or on the system (state which), in Kcal, in a reaction if the internal…

A: The solution is given below -

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Q: What is the specific heat capacity of a metal of 55.00 g of the metal absorbs 47.3 J of heat and the…

A: Heat = mass× specific heat capacity × change in temperature Formula applied

Q: Deterioration of buildings, bridges, and other structures through the rusting of iron costs millions…

A: • Molar mass of iron rust (fe2O3) = 2× atomic          mass of fe + 3 × atomic mass of O.…

Q: A 27.3 g sample of ethylene glycol, a car radiator coolant, loses 695 J of heat. What was the…

A:

Q: In the following reaction, how much heat (in kJ) is released when 2.55 moles of CH4 are burned? CH4…

A: Given, the chemical reaction as follows,CH4(g)+2O2(g)→CO2(g)+2H2O(g)     ; ∆H° =-802 kJmolnumber of…

Q: 3 NaOH(aq) + H3PO4(aq) → Na3PO3(aq) + 3 H2O(l)           ΔH = -173.7 kJ If 31.2 mL of 0.45 M sodium…

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Q: The specific heat of octane, C8H18(l), is 2.22 J/g-K. (a)How many J of heat are needed to raise the…

A: This problem can be solved by using the equation : q=mc∆Twhere q is the heat required            m…

Q: In the following reaction, how much heat (in kJ) is released when 4.09 moles of CH₄ are burned? CH₄…

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Q: In the following reaction, how many moles of CH;OH are required to give off 5766 kJ of heat? 2 CH;OH…

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A: The net ionic equation for part B is as follows:

Q: 4.41 g of MgS04 is placed into 100.0 mL of water. The water's temperature increases by 6.70°C.…

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Q: Calcium carbide, CaC2, is the raw material for the production of acetylene (used in welding…

A: Introduction: Calcium carbide is also known as calcium acetylide. It is industrially used for the…

Q: In the following reaction, how many moles of CH;OH are required to give off 5766 kJ of heat? 2 CH;OH…

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Q: Consider the following reaction: MgCO3 (s) → Mg0 (s) + CO2 (g) AHrxn= -20.2 kJ/mol a) Is this an…

A: a) The negative sign present in value of ∆Hrxn shows that heat is released into surroundings.…

Q: Consider the following balanced thermochemical equation for the decomposition of the mineral…

A: Since you have posted a question with multiple sub-parts, we will solve first three sub-parts for…

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Q: hwquiz6-1 EP Immersive Reader Open in Desktc 12. How much heat is released when 3.42 g of nitrogen…

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Q: In the following reaction, how much heat (in kJ) is released when 5.97 moles of CH₄ are burned? CH₄…

A: The balanced Chemical equation is - CH4(g) + 2O2(g) -----> CO2(g)  + 2H2O(g)  (∆H° = -802 kJ/mol)…

Q: How much heat (in kJ) will be released (∆H) if 0.5093 mol of NH₃ are mixed with 0.200 mol of O₂ in…

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Q: 3) A student places 120.0 mL of liquid water at 23.4 °C into a calorimeter and then dissolves 12.5 g…

A: It is an endothermic reaction. Detail solution is given in step 2.

Q: N2(g) + 3Cl2(g) 2NCl3(l) ∆H°rxn = +460 kJ Consider a reaction mixture of 6.5 LSTP of N2(g) and 16…

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Q: How many 20.0-g ice cubes are required to absorb 53.7 kJ from a glass of water upon melting?

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Q: In the following reaction, how much heat (in kJ) is released when 5.63 moles of CH₄ are burned? CH₄…

A: The given chemical equation as follows --- CH₄ (g) + 2 O₂ (g)   →   CO₂ (g) +  2 H₂O (g)    ∆H° =…

Q: Methanol is an ingredient in windshield washer fluid and ingesting as little as 4 mL can cause…

A: Carbon monoxide and hydrogen react to form methanol, the balanced chemical equation is given below:…

Q: In the following reaction, how many moles of CH;OH are required to produce -3.871 × 10³ kJ of heat?…

A: The given reaction is:2 CH3OH (l) + 3 O2 (g) → 2 CO2 (g) + 4 H2O (g)∆H° = -1280 kJ⇒ 1280 kJ of…

Q: calculate the heat of reaction for the following reaction: 2C2H6lg) + 702(g) 4CO2(g) + 6H2O(g)

A: The standard enthalpy of formation -  C2H6 g=-83.7 kJ/molO2 g=0 CO2g =-393.5 kJ/molH2O g= -241.8…

Q: In the following reaction, how much heat (in kJ) is released when 4.01 moles of CH₄ are burned? CH₄…

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Q: The heat of reaction for the combustion of benzene (C6H6) is –3909.9 kJ. 2 C6H6 + 15 O2 → 12 CO2 + 6…

A: By stoichiometry of reaction:   Heat change for burning of 156 g of benzene = -3909.9 kJ So, heat…

Q: When 1 mole of CO2(g) reacts with H2(g) to form CO(g) and H2O(g) according to the following…

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Q: A 27.7 g sample of ethylene glycol, car radiator coolant,loses 688 J of heat. What is the initial…

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Q: How much heat is liberated at constant pressure if 0.938 g of calcium carbonate reacts with 73.2 mL…

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Q: 10 Calculate the amount of heat in kJ given off when 132.0 g H2O2 react according to the following…

A: Heat released depand amount of H2O2