Chemistry Calculate A)Mass of cold water (g) B)Mass of hot water (g) C)Calorimeter constant (J/C).

Q: The following thermochemical equation is for the reaction of N₂ (g) with H₂ (g) to form NH3(g).…

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Q: 3) what mass of mathane must be burned in erder to liberate 12,773 kJ of heat ? ()

A: NOTE : Since it is not clearly mentioned whether the heat released is 12.774 KJ or 12773 KJ, hence…

Q: (b) Explain the following terms: (i) Internal energy of a system (ii) Bomb calorimeter

A: The following terms has to be explained i) Internal energy of a system ii) Bomb Calorimeter

Q: Dimethyl ether, a useful organic solvent, is prepared in two steps. In the first step, carbon…

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Q: Note for advanced students: it's possible the student did not do these experiments sufficiently…

A: If during the reaction, energy is released then the reaction is exothermic reaction.  If during the…

Q: 5(d)

A: (a) The solution has 100 mL of acid and 100 mL of base. Thus, the total volume of the solution is…

Q: 5(b)

A: The heat in a calorimeter, qcal is given as :

Q: A student wishes to measure the enthalpy change of the reaction of magnesium oxide solid (MgO, M=…

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Q: The following thermochemical equation is for the reaction of nitrogen(g) with hydrogen(g) to form…

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Q: What is the kinetic energy of a 0.146 kilogram baseball moving at a velocity of 44.8 meters per…

A: Given that:  Mass of baseball(m) = 0.146Kg  Velocity(v) = 44.8m/s

Q: Classify each process as exothermic or endothermic andindicate the sign of Hrxn. (a) butane gas…

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Q: C (s) + 02 (g) → CO2 (g) AH° = -393.5 kJ Calculate the heat change if 2.54 g of C is reacted.

A: The given reaction is: C(s)+O2(g)→CO2(g)       ∆H°=-393.5 kJ Calculation of no. of mol of C: No. of…

Q: Write the balanced chemical equation and draw an enthalpy diagram for the fo of sodium chloride from…

A: Since you have posted multiple questions, we will provide the solution only to the first question as…

Q: 2. Calcium carbide, CaC2, is the raw material for the production of acetylene (used in welding…

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

Q: If AH = -54.74 kJ for a chemical reaction, that reaction O is endothermic cannot occur is exothermic

A: In endothermic reaction heat is require while in exothermic reaction heat is given off.

Q: In a calorimetry experiment, ice was added to warm water. Given the following data collected during…

A: In a calorimetry experiment, the goal is to measure the heat exchange in a chemical reaction or a…

Q: When acetone, CH,COCH), is completely burned to carbon díoxide and liquid of formation, AHe, for…

A: Standard heat of formation of CO2 (ΔHfo) = -393.5 KJ/mol. Standard heat of formation of H2O (ΔHfo)…

Q: For the reaction given, answer the following questions. S(s) + O2(g)  SO2(g)      ΔH = -296 kJ/mol…

A: As per the reaction: S + O2 ---> SO2 When 1 mole of S burns, then 296 KJ of heat is evolved. When…

Q: Use the References to access important values if needed for this question. The following…

A: Iron (III) oxide reacts with hydrogen to form iron metal and water. The equation for the balanced…

Q: A calorimeter has 1 kg of water (heat capacity of H2O = 4.184 J/g°C) and its heat capacity is 0.10…

A: A calorimeter has 1 kg of water (heat capacity of H2O = 4.184 J/g°C) and its heat capacity is 0.10…

Q: Write a balanced equation and draw an approximate enthalpy diagram for each of the following: (a)…

A: (a) the formation of 1 mol of sodium chloride from its elements (heat is released) (b) the…

Q: [References] Use the References to access important values if needed for this question. The…

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Q: Consider the combustion of liquid CiHi in oxygen gas to produce carbon dioxide gas and water vapor.…

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Q: 1. (Heat) The combustion of 0.0222 g of isooctane vapor, C3H18(g), at constant pressure raises the…

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Q: One mole of nitrogen oxide, NO, reacts with oxygen gas to produce a brown gas, NO₂ and 120 kJ of…

A: One mole of nitrogen oxide, NO reacts with oxygen gas to produce a brown gas NO2 and 120 KJ ofheat…

Q: When 1 mole of N₂ (g) reacts with H₂(g) to form NH3 (g) according to the following equation, 92.2 kJ…

A: Answer :  Given that, the reaction is  N2(g) + H2(g) → NH3(g) Mole of N2 = 1 mol. Energy evolved =…

Q: A student runs two experiments with a constant-volume "bomb" calorimeter containing 1300. g of water…

A: Given:  First experiment: Mass of benzoic acid tablet = 6.500 g Initial temperature of water = 21.00…

Q: A bomb calorimeter, or a constant volume calorimeter, is a device often used to determine the heat…

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Q: The water in a bomb calorimeter was replaced with the organic compound methylene chloride (CH2C12).…

A: we are given  ∆H(combustion )=-2769kj/mol(as the process is exothermic so the negative sign) moles…

Q: The temperature of a calorimeter goes from 15.6 degrees (c) to 31.4 degrees (c) 4 by capturing 488.8…

A: Given heat (q) = 488.8 kJ T1 = 15.6°C T2 = 31.4°C

Q: Which is a formation enthalpy: a) Na+(aq) + NO3-(aq) → NaNO3(aq) b) Na+(g) + NO3-(g) → NaNO3(s)…

A: When one mole of the substance is formed by its constituent elements in its standard states, the…

Q: Heat Calculations Q=(M) (C) (AT) A 42.0 g piece of metal has a heat content of 600 Joules. The…

A: These type of questions are solved with the help of formula: q=mc(T2-T1) If q is negative, it means…

Q: 2. Which of the following substances has zero enthalpy of formation? a) water, H,O) b) lead, Pb c)…

A: The enthalpy of formation of a particular substance depends upon the enthalpies of the reactants…

Q: 2C,H,0(g) + 500,(g) 4 CO2(g) + 4 H,0(g) Be sure any of your answers that are calculated from…

A: “Since there are multiple questions and it is not mentioned that which one has to be solved so I am…

Q: What is the Kinetic energy of a 2000-Ib car traveling at 59 miles per hour? (Ib =0.4536 kg, 1 mi=…

A: The Kinetic energy of a 2000-lb car traveling at 59 miles per hour is calculated as,1lb =0.4536…

Q: When an endothermic reaction occurs in a coffee cup calorimeter, the temperature of the surrounding…

A: The correct answer is given below

Q: According to the following thermochemical equation, what mass of HF (in g) must react in order to…

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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: When methanol, CH, OH, is burned in the presence of oxygen gas, O,, a large amount of heat energy is…

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Q: 7. Calculate the specific heat of gold if it required 48.0 joules of heat to warm 25.0 grams of gold…

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Q: What are the assumptions that are made when performing calorimetry to determine molar enthalpies?…

A: Calorimeter :  A calorimeter is a insulated device used for heat measurements. It mainly consists of…

Q: Kerosene: What is the energy content, in terajoules, of a tank containing 4.37x1o5 liters of…

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