Calorimeter mass  162.2 g Mass of calorimeter + cold water 226.6 g Initial temperature of cold water 22°C Temperature of hot water before mixing 85°C Final temperature of the mixture 46°C Mass of calorimeter + mixture 302.7 g Specific heat of water = 1cal/ g °C 15- Heat absorbed by cold water = q = mass of cold water x 1 cal /g ° C X ∆T cold H2O = ___________________ 16- Heat given up by hot water= q = Mass of hot water x 1 cal /g ° C X ∆T H2O hot = _________________________ 17- Heat of the calorimeter q system = q hot water + q cold water + q calorimeter Q system = 0 (isolated system) qcalorimeter = - (q hot water + q cold water)

Q: When pure sulfuric acid is dissolved in water, heat is evolved. 10.65 g of pure sulfuric acid at…

A: If heat is liberated, the formula to determine the heat released is : q = m. C. ∆T Where  q = heat…

Q: Given the following data: Cl2(g) + 5F2(g) → 2ClF5(g) ΔH°=-510.0 kJ ClF3(g) + Cl2(g) → 3ClF(g)…

A: The question is based on the concept of Hess's law. It states that the net enthalpy change during a…

Q: a 30.0 g sample of chromium is heated to 100.0°C in a boiling water bath. the sample is added to a…

A: From law of conservation of energy,heat gained by cold body = heat lost by heat body        MCr =…

Q: A 59.55 g sample of a substance is initially at 25.6 °C. After absorbing 1881 J of heat, the…

A: Given:             Q = 1881J            Mass (m) = 59.55g = 0.0595Kg Temperature(T1) = 25.6°C = 25.6…

Q: An unknown metal has a mass of 34.0 g.34.0 g. When 903 J903 J of heat are added to the sample, the…

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Q: In the following experiment, a coffee-cup calorimeter containing 100 mLmL of H2OH2O is used. The…

A: Heat of solution of calcium chloride = -82.8 kJ/mol which means one mole of calcium chloride on…

Q: A piece of iron (specific heat, 0.444J/g C) is added to 124 g of water (specific heat 4.184J/g C) in…

A: calorimeter is an equipment used to determine the heat energy absorbed or evolved in a reaction. The…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 418.0 mg sample…

A: Given, mass of sample of C2H2Cl2 = 418.0 mg = 0.418 g Initial temperature (Ti) = -5.8°C = (-5.8 +…

Q: mass of metal=56.100g mass h2o=82.69g ti water=20.9c ti metal=92.7c tf metal and water=25.5c ^t of…

A: The heat transferred during the reaction can be determined from the given equation. The temperature…

Q: The temperature of a sample of silver increased by 23.4 °C when 273 J of heat was applied. Substance…

A: Given: Increase in temperature, ∆T = 23.4°C Heat given, q = 273 J Specific heat for silver = 0.235…

Q: → 2 NO(g) ► 2 N2(g) + O2(g) AH = +180.7 kJ NO(g) + O,(g) → 2 NO,(g) AH = -113.1 kJ 2 N;O(g) → 2…

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Q: heated to 89.5°C and placed in a calorimeter containing 159 g of water at 22.8°C.  If the heat…

A: Mass of Cu(mCu) = 455 g Mass of Water (mw) = 159 g Heat capacity of water(Cw)= 4.184 J/g-°c Hewt…

Q: You performed the displayed reaction in the lab and determined that 336.74 J of heat was released.…

A: The given chemical reaction that has been carried out is given by: NCl3(g) + 3H2 (g) ——> NH3 (g)…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.54 kg sample…

A: Mass=0.54kg =540 gm (1 kg = 1000gm) T1=-2.9°C= (-2.9+273)K=270.1K  T2=10.5°C=(10.5+273)K=283.5K…

Q: Enter your answer in the provided box. If 0.10 mol of ammonium chloride (NH,C) is dissolved in a…

A: Given that, the amount of heat is Q = -6.9×102 cal. The mass of the solution is m = 1.39×102 g, The…

Q: (a) Make a graph of this data. Be sure to make a high quality, easy-to-plot, easy-to-read graph.…

A: The given data is- Time (min) Temperature (°C) 1 25.4 2 25.4 3 25.3 4 25.3 5 25.3 6…

Q: How many litres of C6H14(I), measured at 20 C, must be burned to provide enough heat to warm 25.3 m3…

A: Given ,Objective :

Q: A system releases 75 J of heat. And the same time 19 J of work is done on the system by the…

A: The formula foe finding Internal energy is, ∆U=q+w where ∆U is the change in internal energy, q is…

Q: The temperature of a sample of iron increased by 23.7 when 261 J of heat was applied. What is the…

A: Given :- change in temperature "∆T" = 23.7°C amount of heat absorbed "q" = 261 J specific heat for…

Q: Calculate the energy required to heat 330.0 mg of silver from -9.8 °C to 12.9 °C. Assume the…

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Q: A calorimeter contained 67.0 g of water at 15.51°C. A 130.-g sample of iron at 65.76°C was placed in…

A: The heat capacity of the calorimeter is 396.24 J/°C Below attached file showing the details answer…

Q: 2 NO(g) - N2(g) + O2(g) 4,H° = -181 kJ/mol-rxn What is the enthalpy change that occurs when 3.00 g…

A: Given  Reaction  2NO(g)  -----> N2(g)  +  O2(g)        ∆rH°  = -181 KJ/mol Enthalpy Changes when…

Q: The amount of energy needed to heat 2.00 g mercury from 50.0°C to 85°C is 9.87 J. The specific heat…

A: Given: Mass of mercury=2.00 g Temperature change, ∆T=(85-50.0)°C=35 °C Heat needed q =9.87 J…

Q: When pure sulfuric acid is dissolved in water, heat is evolved. 10.65 g of pure sulfuric acid at…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 732.0 mg sample…

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Q: The temperature of a sample of copper increased by 24.7 °C when 257 J of heat was applied. What is…

A: • The values provided in the question are:-  i) Temperature change of a sample of copper, ∆T = 24.7…

Q: xperiment 2: The dissolution of NaOH(s) 1 point 1 The temperature of 96.954 g of an aqueous solution…

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Q: The specific heat of a certain type of metal 0.128 J/(g⋅∘C). What is the final temperature if 305 J…

A: Specific heat capacity is defined as the quantity of heat absorbed by 1 g of substance to raise the…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.27 kg sample…

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Q: A 74.5 g piece of metal at 88.0°C is placed in 137 g of water at 21.0°C contained in a calorimeter.…

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Q: ormation to answer Questions 6-9: A sample of NH4NO3 with a mass of 5.0 g is dissolved in 40.1 g of…

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Q: The specific heat capacity of solid copper metal is 0.385 J/gK. How many joules of heat are needed…

A: Specific heat capacity of Copper metal = 0.385 J/gK mass of block of copper (m) = 1.15 kg = (1.15 ×…

Q: A 71.56 gram sample of iron (with a heat capacity of 0.450g) is heated to 100.0 °C. It is then…

A: The objective of the question is to calculate the heat absorbed by the bomb calorimeter.

Q: AH = 66.4 kJ AH = -114.2 kJ N₂(g) +202(g) → 2NO2(g) 2NO(g) + O₂(g) → 2NO₂(g) + - the enthalpy of the…

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Q: A gaseous reaction occurs at a constant pressure of 50.7 bar and releases 71.9 kJ of heat. During…

A: Given that: pressure, P = 50 bar heat q = 71.9 kJ work, W = 2.74×104 J = 2.74×104×10-3 kJ To find…

Q: A chemical reaction takes place inside a flask submerged in a water bath. The water bath contains…

A: The objective of this question is to calculate the new temperature of the water bath after a…

Q: 125 g of water are mixed with 10.5 g of KBr. The initial temperature was 24.2 °C and the final…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.04 kg sample…

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Q: A calorimeter holds 50 g water at 22.0°C. A sample of hot iron is added to the water. The final…

A: Thermodynamics is branch of chemistry in which we deal with amount of heat evolved or absorbed by…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 242.0 mg sample…

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Q: The specific heat of a certain type of metal is 0.128 J/(g-°C). What is the final temperature if 305…

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Q: Which of the following statement(s) is (or are) true? I. Heat (g) is a state function because AH is…

A: Heat is not a state function because it is not an intrinsic property of a system Heat is not a state…

Q: absorbs 1.357E3 J of heat. The final temperature of the sand is 6.7E1 °C. What is the mass (in g) of…

A: Given: Initial temperature = 2.24E1 °C Final temperature = 6.7E1 °C Amount of heat absorbed =…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 533.0 mg sample…

A: We know the expression for the molar heat capacity is => q = n×cp×ΔT where, q is the heat, n is…

Q: Acetylene, C,H2, is used in welding torches. It releases a lot of energy when burned in oxygen. The…

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Q: 2 NO(g) N2(g) + O2(g)   H = -180.7 kJ 2 NO(g) + O2(g) 2 NO2(g)   H = -113.1 kJ 2 N2O(g) 2 N2(g) +…

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Q: A coffee cup calorimeter, including that water it contains, has a heat capacity of 425 J/K, and is…

A: Formula: q = C × ∆T where , q = heat  C = Heat Capacity ∆T = Change in temperature   The Heat lost…