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: A coffee-cup calorimeter contains 20 mL of water with an initial temperature of 24.8°C. An unknown…

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Q: In the laboratory a "coffee cup" calorimeter, or constant pressure calorimeter, is frequently used…

A: When hot metal is poured into the calorimeter, the metal releases heat, and the water and…

Q: A gas in a system has a constant pressure. The surroundings around the system lose 62 joules (j) of…

A: Internal energy may be defined as the total amount of energy present within a substance and it is…

Q: ou place 300.0 grams of water in a coffee cup calorimeter and the temperature of the water is 22.3℃.…

A: answer = 23.65 0C

Q: How do I calculate the final temperature of a mixture? Mass of empty cup and lid: 9.94 g  Mass of…

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Q: Mass of hot water  89 g Mass of cold water  90 g T hot water  70 °C T cold water  27 °C T mixture…

A: Answer:- This question is answered by using the simple concept of calorimetry which states that heat…

Q: 9. If a 85.0°C iron rod that weighs 1.20 kg was placed in 15.2 L of water at 20.0°C, what is the…

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Q: Q16. Convert a pressure of 99.37 kPa to units of atm (atmospheres).

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Q: A metal is thought to be silver or iron. When 8.0 g of the metalabsorbs 23.50 J, its temperature…

A: (a) q = ms∆T 23.50 = 8.0 x s x ( 6.5 0 s = 0.45 J/g °C   (b) metal will be iron.

Q: 1) The three combustion reactions are: C(s, gr) + O>(g) --> CO,(g) AH =-393.50 kJ H,(g) + ½0,(g)…

A: Solution:    The change in enthalpy of formation is the enthalpy change when the formation of one…

Q: When 15.3 g of sodium nitrate, NaNO3, was dissolved in water in a constant-pressure calorimeter, the…

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Q: Calculation of Calories per Mass of Food   Quantity Mass of can (g) 12.623 mass of can and water (g)…

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Q: How much heat is given off to the surroundings when 7 g of aluminum reacts according to the…

A: The enthalpy of the reaction is considered as the state function that is it depends only on the…

Q: For the following questions (Q11-Q14), consider the compound NH4Cl, ammonium chloride, having a…

A: 11) Since the heat transferred to the water is given by  qwater = mwater Cs,water ∆T   where mwater…

Q: C. CALORIMETRY Mass of calorimeter, cup, and cover: Initial temperature of warm water: Mass of…

A: Mass of warm water alone = 145 gram Mass of warm ice alone = 20 gram Initial Temperature of ice Ti =…

Q: An engineering student wants to study the heat transfer between a 50 g of a heated block of iron…

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Q: In the following experiment, a coffee-cup calorimeter containing 100. mL of H2O is used. The initial…

A: Given: Volume of calorimeter = 100 mL Initial temperature        = 23 oC Mass of CaCl2…

Q: A sample of 24.9 g of ammonium nitrate, NH4N03, was dissolved in 121.3g of water in a coffee cup…

A: Mass of sample (ammonium nitrate) = 24.9 gram Mass of water = 121.3 gram Specific heat of solution =…

Q: Mass of can (g) 12.62 Mass of can and water (g) 102.04 Initial mass of food sample (g) 1.92 Final…

A: Hi, as you have posted a question with multiple subparts and have not mentioned which subpart you…

Q: 8. (Calorimetry - Determination of specific heat) A 5.1-gram piece of gold jewelry is removed from…

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Q: Calorimeter mass  162.2 g Mass of calorimeter + cold water 226.6 g Initial temperature of cold water…

A: Mass of calorimeter = 162.2 g Mass of calorimeter + cold water = 226.6 g Mass of cold water = 64.4g…

Q: The combustion of neopentane is described by the reaction: C 5 H 12(s) +O 2(g) CO 2(g) +H 2 O (l)…

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Q: In a bomb calorimeter compartment surrounded by 1.286 kg of water, the combustion of 1.182 g of…

A: For a bomb calorimeter qreaction + qbomb + qwater = 0 given that    mass of water = 1.286 kg = 1286…

Q: How many milliliters of water at 3.16°C with a density of 1.00 g/mL must be mixed with 180 mL (about…

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Q: High-purity benzoic acid (CH;COOH; AHxn for combustion =-3227 kJ/mol) is used as a standard for…

A: The heat of combustion of benzoic acid is = -3227 kJ/mol The mass of benzoic acid is = 1.221 g The…

Q: A coffee-cup calorimeter contains 70 mL of water with an initial temperature of 24.9°C. An unknown…

A: The heat absorbed (q) by the water can be obtained by the multiplication of mass (m) of water with…

Q: In your own words, explain how the pressure of a gas would be affected by changes in temperature, by…

A: According to ideal gas law, PV = nRT where P = pressure V = volume n = moles R = gas constant T =…

Q: For the following questions (Q11-Q14), consider the compound NH4Cl, ammonium chloride, having a…

A: Since the heat transferred to the water is given by  qwater = mwater Cs,water ∆T where qwater = heat…

Q: A 39 g aluminum spoon (specific heat 0.904 J/g-°C) at 25°C is placed in 178 mL (177 g) of coffee at…

A: A definite quantity of heat is used up in raising temperature of substances. For substance that…

Q: )How much will the temperature of a cup (180 g) of coffee at 95 °C be reduced when a 45g silver…

A: Specific heat capacity is defined as the amount of heat required to raise the temperature of 1…

Q: If a 50.0g sample of Cu is heated to 180.00C and is placed in 100.0 ml of water in a calorimeter at…

A: Given :  Mass of Cu sample = 50.00 gm  Initial temperature of Cu = 180 °C  Volume of water = 100 ml…

Q: If 4210 J of heat is added to a calorimeter containing 254 g of water, the temperature of the water…

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Q: 3. A 1.00-g sample of hexane, C6H14, undergoes complete combustion with excess O2 in a bomb…

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Q: In addition to calculating specific heat capacities, some calorimeters can be used to determine how…

A: A) The number of Joules in 1 calorie = 4.184 J.

Q: A solution is made by mixing 244.0 mL of ethanol initially at 12.9 °C with 244.0 mL of water…

A: Heat energy absorbed by ethanol = Heat energy released by water Heat energy released /absorbed =…

Q: Predict the total quantity of heat that would be required if you wanted to prepare a cup of instant…

A: Volume of cold water is 200 ml and density is 1.0 g/mL.Specific heat of water is 4.18 J.g.-1.°C-1…

Q: 1. How much heat, in joules and in calories, must be added to a 75.3 g chromium block with a…

A: The heat of a solution can be expressed by the following formula Q=mC∆TQ=heatm=massC=heat…

Q: A 25.0 g block of Al with specific heat 0.897 is placed into 100.0 g of water at 30.0°C. The final…

A: The heat lost by the hot body is equal to the heat gained by the cold body.

Q: Part A The specific heat capacity of sold copper metal is 0.385 JigK. How many joules of heat are…

A: Given, specific Heat of solid copper metal  = 0.385 J/gK Mass of block = 1.55 Kg = 1550 g  Initial…

Q: An 80.0 g sample of metal, initially at 96.0°C, is placed into 150. g of water initially at 26.0°C…

A: Interpretation: An 80.0 g sample of metal, initially at 96.0°C, is placed into 150.0 g of water…

Q: True or False If the statement is true, write "true." If it is false, change the underlined word or…

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Q: A fuel was used to heat water in a calorimetry experiment. When butane was burnt, 96070.0 J of heat…

A: Ans is given below

Q: For the following questions (Q11-Q14), consider the compound NH4Cl, ammonium chloride, having a…

A: 11) Since the heat transferred to the water, qwater, during the process NH4Cl (s) -----> NH4Cl…

Q: 22.009 g of a metal at 100.15°C was added to 15.6 g of water at 18.01°C. The temperature of the…

A: The amount of heat transferred in a system is calculated as follows,…

Q: When 6.54 grams of Zn is placed in 500.0 mL of 1.00 M CuSO4(aq) in a coffee cup calorimeter, it…

A: Given data,Mass of Zn=6.54gMolarity of CuSO4=1.00MVolume of CuSO4=500mL=0.5LTemperature…

Q: For the following questions (Q11-Q14), consider the compound NH4Cl, ammonium chloride, having a…

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

Q: Mass of can (g) 12.67 Mass of can and water (g) 108.88 Initial mass of food sample (g) 1.91 Final…

A: The heat gain by water is calculated using formula : q = m × C × dT  where, m = mass of water  C =…

Q: A solution is made by mixing 232.0 mL of ethanol initially at 12.7 ∘C with 232.0 mL of water…

A: According to Law of calorimetry,amount of heat released by the substance having higher temperature…

Q: 2 NO(g) + 02(g) → 2 NO2(g) AH°rxn = ? Given: N2(g) + 02(g) → 2 NO(g) AH°rxn = +183 kJ 1/2 N2(g) +…

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