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: How much energy as heat is required to raise the temperature of 50.00 mL of water from 25.04 °C to…

A: Given: Density of water at this temperature is 0.997 g/mL The specific heat capacity of liquid water…

Q: A cubic piece of platinum metal (specific heat capacity = 0.1256 J/°C g) at 200.0°C is dropped into…

A: Answer: This question is based on the conservation of energy which suggests that energy lost by…

Q: A 104 g copper sample (specific heat=0.385 J/g°C) at 100°C is added to 48 g water at 29.5°C. What is…

A:

Q: The temperature of an object increases by 25.9 °C when it absorbs 3703 J of heat. Calculate the heat…

A: Given data, heat absorbed=3703 J. Temperature of object increases by 25.9℃. We know ,Heat capacity…

Q: A 115.0-g sample of a metal at 165.0 °C is added to 265.0 g of ethylene glycol (specific heat = 2.43…

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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…

A:

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: To determine the calorimeter constant (Ccal) of their setup, a student decides to mix 75 mL of warm…

A: Given, volume of warm water = 75 mL

Q: 3) If 3.00 g of iron metal are reacted in a calorimeter with a heat capacity of 400. what would be…

A: If 3.00 g of iron metal are reacted in a calorimeter with a heat capacity of 400 J/°C. The final…

Q: A student heats 84.17 mL of water to 95.27°C using a hot plate. The heated water is added to a…

A: Heat loss by hot water = heat gain by cold water + heat gain by calorimeter density = massvolume

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: When a sample of Mg is combusted in a bomb calorimeter, 25.4 kJ of energy as heat is evolved. The…

A: Assuming the final temperature of water and bomb calorimeter in equilibrium is T. Hence the change…

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 calorimeter has a negligible heat capacity. It contains 52.3 g of water initially at 22.4 Celsius.…

A:

Q: 96 %24 %23 Saved A student has two containers - one with 19.0 g of sand and one with 19.0 g of…

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Q: When 10.6 g NaOH dissolves in 232 g of water in a coffee-cup calorimeter, ΔH = −42.6 kJ/mol. The…

A: To calculate the final temperature of a solution of sodium chloride in water.

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: A chunk of metal having a mass of 49.7g was warmed to 95.5°C and then dropped into a calorimeter…

A: Mass of metal = 49.7g  Mass of water = 45.3g Heat capacity for water = 4.18J/g°C Final temperature =…

Q: student is asked to determine the heat of solution in J/g for the compound ammonium nitrate…

A:

Q: thermal energy

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Q: Calculate the heat change (q) in J when 8.111 grams of water is cooled from 1.472 ºC to -2.592 ºC.

A: The heat change during a temperature change ca be calculated as follows. q=mc∆Tq=heat…

Q: A 4.81 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: Given, Mass of unknown sample ,ms=4.81 g  mass of water, mw= 150 g initial temperature Ti=23.72°C…

Q: metal X =48.1g; specific heat capacity =0.228 J/C If metal X is heated to 95.1C and put into a…

A:

Q: A solution is made by mixing252.0 mL of ethanol initially at 11.0 ∘C11.0 ∘C with 252.0 mL252.0 mL of…

A: According to law of conservation of energy,

Q: An unknown metal has a mass of 88.0 g. When 2440 J of Metal Specific heat (J/g • C) heat are added…

A:

Q: A solution is made by mixing 197.3 g of ethanol initially at 10.5°C with 250.0 g of water initially…

A: We know that, according to the law of conservation of heat energy, energy gained or loss by the…

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: A 22.0 g sample of pure iron at 85 °C is dropped into 73 g of water at 20. °C. What is the final…

A: Mass of pure iron sample = 22.0 g Initial temperature of pure iron sample = 85o C  Mass of water =…

Q: An 8.50 L sample of an ideal gas at 25° C undergoes a change at a pressure of 1.90 x 103 torr while…

A: Volume of sample of gas = 8.50 L

Q: The temperature of an object increases by 24.4 °C when it absorbs 3725 J of heat. Calculate the C =…

A: The specific heat capacity for a given chemical substance or a solution refers to the amount of the…

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: A student heats 84.17 mL of water to 95.27°C using a hot plate. The heated water is added to a…

A: During calorimetry, the heat lost by the hot water (qhot) will be the sum of heat energy gained by…

Q: If 0.067 mol of hydrochloric acid  (HCl)  is mixed with 0.067 mol of sodium hydroxide  (NaOH)  in a…

A:

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: In an experiment, 30.0 g of metal is heated to 98.0°C and then quickly transferred to 50.0 g of…

A: The weight of metal is 30.0 g. The initial temperature of metal is 98.0˚C.   The weight of water is…

Q: A calorimeter holds 55 g water at 21.0°C. A sample of hot iron is added to the water. The final…

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Q: An unknown metal has a mass of 61.3 g. When 672 J of heat Metal Specific heat (J/g C) are added to…

A: Given: Mass of metal = 61.3 g Heat added = 672 J Change in temperature = 24.4°C

Q: A 45.90 g sample of pure copper is heated in a test tube to 99.40°C. The copper sample is then…

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

Q: A serving of Chocobits cereal is 122 g.A 1.00-g sample of the cereal is burned in a bomb calorimeter…

A: The objective of this question is to calculate the energy content of a serving of Chocobits cereal…

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

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Q: 559.4 J of heat was added to 8.00 g of water. The final temperature of the water was measured as…

A: Given: Heat Energy (Q)= 559.4 J Mass of water (m)= 8.00 g Final Temperature (T2) = 64.2 0C Specific…

Q: When a 8.47 g sample of sodium iodide, NaI, dissolves in 160.0 g of water in a calorimeter, the…

A: It is based on the concept of calorimetry.Here we are required to find the heat absorbed by the…

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…

Q: 4) Which of the following (with specific heat capacity provided) would show the smallest temperature…

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Q: A student heats 84.17 mL of water to 95.27°C using a hot plate. The heated water is added to a…

A: It is given that 84.17 mL of hot water at a temperature of 95.27°C is added to 73.92 mL of cold…