A 146.3g piece of iron (specific heat = 0.449 J/g°C) is heated with a flame and dropped into a coffe cup calorimeter containing 450.0 g of water. the water (specific heat = 4.18 J/g°C) in the calorimeter increases from 20.3°C to 32.0°C. what was the initial temperature of iron?

Q: A 6.57 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

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Q: A student wishes to determine the heat capacity of a coffee-cup calorimeter. After mixing 125 g of…

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

Q: A 110.0-g sample of a gray-colored, unknown, pure metal was heated to 92.0 oC and put into a…

A: Assuming specific heat of metal is C. Since all the heat released by metal in reaching the final…

Q: A 7.37 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

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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…

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Q: What is the final temperature of a piece of gold that had 26 Joules of heat applied to it? The mass…

A: Q = heat applied = 26 J m = mass of gold = 20 g Initial temperature = Ti = 25°C C =  specific heat…

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 capacity : heat capacity, ratio of heat absorbed by a material to the temperature change. It is…

Q: Suppose you heat a metal object with a mass of 34.4 g to 95.1 °C and transfer it to a calorimeter…

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

Q: An 87.0-g piece of iron whose temperature is 73.8 °C (347.0 K) is placed in a beaker containing 300…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: A 7.03 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: We know during the process of any reaction, heat gained  = heat lost . For above the formula used…

Q: If 63.50 g of an unknown metal at 97.6 °C initially produced a resulting temperature of 39.5 °C when…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: A 10.0 g piece of metal is initially at 100.0°C. It is dropped into a coffee cup calorimeter…

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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: You perform a coffee-cup calorimetry experiment using a 6.006 g metal sample. You heated the metal…

A: Given;

Q: The change in enthalpy (heat of solution) for ammonium nitrate dissolving in water is 25.7 kJ/mol.…

A: Molar mass of ammonium nitrate =80.043g/mol

Q: Suppose you heat a metal object with a mass of 30.0 g to 95.5 °C and transfer it to a calorimeter…

A: Given information is as follows: The mass of the metal = 30 g The initial temperature of the metal =…

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

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Q: 50.0 grams of metal is heated to 100.0 C and then placed into a calorimeter containing 150 g of…

A: The specific heat capacity of the substance is the amount of heat energy required to raise the…

Q: A piece of iron is heated to 95 °C and dropped into 150 g of water at 25 °C. When equilibrium is…

A: Given, Let m ass of iron= mi=?

Q: Enter your answer in the provided box. A 56.0-g sample of an unknown metal at 99°C was placed in a…

A:

Q: A 65 g sample of Iron is heated to 80 °C and placed into a calorimeter containing 125 g of water at…

A: mass of iron = 65 gmass of water = 125 gspecific heat of water = 4.18 J/goCspecific heat of iron =…

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: A 130.3 g piece of copper (specific heat 0.380 J/g. °C) is heated and then placed into 400.0 g of…

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Q: What is the specific heat capacity (J/g• °C) of a metal object whose temperature increases from…

A: Specific heat capacity is the amount of heat absorbed by 1 gram of a substance to raise its…

Q: A 24.6 g sample of a metal is heated to 110.0°C and then placed in a coffee cup calorimeter…

A: Answer: This is the question based on energy conservation, one object is losing the heat and other…

Q: A 5.71 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=5.71 g  mass of water, mw= 150 g initial temperature Ti=23.72°C…

Q: A 4.35 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: The heat released or absorbed (q) when the temperature of any substance is raised is calculated as:…

Q: A 85 g rock is heated to 98.7°C and placed into 125.3 g of water originally at 30.0°C . If the final…

A:

Q: A 4.77 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A:

Q: A 50.0 g sample of unknown metal at 230.0°C is placed in a calorimeter containing 110 g of water at…

A: Heat capacity of calorimeter= 8.2J/g-°cTemperature difference ∆T = 19.3  - 15 = 4.3 °c

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: A 69.3-g piece of metal at 82.3 °C is placed in 110 g of water at 21.3 °C contained in a…

A: Given,  Mass of metal = 69.3 g.  Mass of water = 110 g.  Initial temperature of metal = 82.3 °C…

Q: Given that 154.81 g of solution increased in temperature by 4.82 °C, how much heat, in J, was gained…

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Q: What is the mass of an iron piece that cools from 50.2 °C to 27.8°C while releasing 351.7 J of heat?…

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Q: A 56.43 g sample of iron (with a heat capacity of 0.450 J/g·°C) is heated to 100.0 °C. It is then…

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Q: What is the final temperature if a 43.6 g piece of iron at 356°C is added to 147 g of water at 25°C?…

A: Interpretation- To determine the final temperature if  43.6 g piece of iron at 356°C is added to 147…

Q: If 0.066 mol of hydrochloric acid (HCl)  is mixed with 0.066 mol of sodium hydroxide (NaOH)  in a…

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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: Calculate the heat (q) for 195 grams of pure water heated from a temperature of 25.0 °C to 77.5 °C.…

A:

Q: A 6.55 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: The total mass of a solution is the summation of the mass of solute and the mass of solvent. The…

Q: A student wishes to determine the heat capacity of a coffee-cup calorimeter. After she mixes 90.5 g…

A: Calculation of heat released by the hot water: Q=mc∆T=90.5 g×4.184 J/g°C×(35.0-67.5)°C=-12306.2 J

Q: A 6.57 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

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

Q: na calorimeter with 50.0mL of of 44.0°C. What's the specific he

A: Calculate the heat, which is transferred from metal to water.  Heat(Q) = [ m • s • ∆T ] + [ Cp • ∆T…

Q: A 50.0 g sample of unknown metal is heated to 127.1°C, then placed in a calorimeter containing 65.0…

A: Here, according to thermodynamics, we can say that when any hot body comes in touch with a cool…

Q: An experiment was performed to determine the heat capacity of a coffee cup calorimeter. The…

A: