A 52.75 gram sample of iron (with a heat capacity of 0.450 J/g ºC) is heated to 100.0 ºC.

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: 55.0 g of NaOh is added to a coffee cup calorimeter containing 812 mL of 1.10 M Hbr, changing the…

A: Given information,Mass of NaOH is 55.0 g.Volume of HBr is 812 mL and concentration is 1.10…

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: An unknown sample of coal is burned in an apparatus with a calorimeter constant of 0.96 kJ/°C. When…

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Q: calorimeter containing 837 mL of 1.10 M acid, where the acid has a 1 to 1 molar ratio with sodium…

A: We will calculate ∆H in Kj/mol

Q: According to the nutritional information on a package of jasmine rice, each serving (1/4 cup or 45…

A: Given : Energy content of rice = 160 Cal/45 g = 3.55556 Kcal/g Mass of rice burned = 1.020 g Initial…

Q: A piece of iron rod weighing 22.88 g at 95.0°C is placed in a styrofoam coffee cup containing 25.0…

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Q: 28.0g of a substance with a molecular weight of 52.0 g/mol is placed in a bomb2 calorimeter with a…

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Q: A single Doritos chip was oxidized by potassium chlorate. Suppose that a single chip weighing 2.9 g…

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

Q: When 110. g of water at a temperature of 22.3 °C is mixed with 65.9 g of water at an unknown…

A: The final temperature is achieved at equilibrium. According to law of conservation of energy, the…

Q: 5.2 g of NaOH is added to a coffee cup calorimeter containing 861 mL of 1.10 M acid, where the acid…

A: Given molarity of acid = 1.10 M  Volume = 861 mL  Density of the solution = Density of water = 1.0…

Q: A block of an alloy of mass 35.0 g and at a temperature of 19.54 °C is placed in a calorimeter…

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Q: To make the perfect cup (approximately 252.6 mL) of hot chocolate, you are searching for a…

A: The mass of the 252.6 mL of chocolate, having a density of 1.06 g/mL, is;…

Q: A 50.0 g sample of liquid water at 25 °C is mixed with 44.7 g of water at 45.0 °C. What is the final…

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

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Q: 3.24 g of a piece of a metal is initially at 83.0°C. It is dropped into a coffee cup calorimeter…

A: Recall the following expression according to Law of calorimetry       Q=m×C×∆t Mass of metal=3.24…

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…

A: Given, Mass of sample = 7.37 gMass of water = 150 g Mass of solution = 157.37 g Initial temperature…

Q: A piece of iron (mass = 36.0 g) at 80.0°C is placed in a styrofoam coffee cup containing 25.0 g of…

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Q: 5. To determine whether a shiny silver-colored rock is actually silver, a chemistry student decides…

A: GIVEN:-

Q: You discover a new metal and wish to determine its specific heat capacity. Your sample weighs 203 g…

A: Given, Mass of the sample = 203 g Initial temperature = 16.9ºC Final temperature = 51.1ºC Heat =…

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: piece of unknown metal with a mass of 24.31 g is heated in boiling water to 90.51°C and then dropped…

A: The solution is provided in the next step: Given data: * Mass of metal is 24.31 g. * Mass of water…

Q: A piece of unknown metal with a mass of 22.03 g is heated in boiling water to 90.34°C and then…

A: Given;

Q: We submerge a 25.0 g block of an unknown metal, initially at 97.8 °C, into 25.0 g of water initially…

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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…

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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: 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: 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: 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 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: A 67.75 gram 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: 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: 2) When 100 g of unknown metal at 100 °C added to a calorimeter containing 50.00 g of water the…

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

Q: You burn a 13.65 g sample of an unknown chemical in a bomb calorimeter. The unknown chemical has a…

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Q: A 350.0 g iron pot is heated on a stove for a period of time until it is hot. The stove is turned…

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