A 25.0 mL sample of benzene at 19.9 0 C was cooled to its melting point, 5.5 0 C, and then frozen. How much energy was given off as heat in this process? (The density of benzene is 0.80 g/mL, its specific heat capacity is 1.74 J/g.K, and its heat of fusion is 127 J/g)

Q: When 25.0 g of zine absorbs 140 J of heat energy, what is the change in temperature of the metal?…

A: Given,  The change in temperature of a metal is: when 25.0 g of zinc absorbs 140 J of heat energy,…

Q: What is the work done by a system when it absorbs 47 J of heat and gain 12 J of energy?

A: Since you have posted multiple question, the answer for first question is given below. Kindly repost…

Q: What is the specific heat of a 1,500.00 gram sample of wood that absorbs 67,500 Joules of heat…

A: The given data contains, mass = 1500 g. Heat = 67500 Joules.

Q: 1. If a 100-kg sample of aluminum at 25.0 °C is heated with 500 kJ of heat energy, what will be the…

A: The heat absorbed by the aluminium is given by: where m= mass of metal = 100 kgIni q= total heat…

Q: A sample substance weighing 2.85 grams displaces 15 Ml of water with an initial temperature of…

A: We will solve this question using calorimeter calculations.

Q: The specific heat of a certain type of cooking oil is 1.75 J/(g. C). How much heat energy is needed…

A: The amount of heat energy required to raise the temperature of a substance = mass of the substance x…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 886.0 g sample…

A: The heat (q) absorbed or evolved can be calculated by the mass (m) of the compound, temperature…

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A:

Q: 20.0 mL of Hg are heated from room temperature (25.00 °C) to 60.00 °C. The specific heat capacity of…

A:

Q: 1) What is the specific heat capacity of an unknown metal if 75.00 g of the metal absorbs 418.6J of…

A: For Part: Given:mass of unknown metal, m = 75gHeat absorb by unknown metal, ∆H= 418.6JIncrease in…

Q: What is the minimum amount of energy required to heat 145 grams of water to the boiling point of…

A:

Q: A piece of silver with a mass 418 g has a heat capacity of 99.1 J/°C. What is the specific heat of…

A: Given, heat capcity 'c' of silver = 90.1 J/oC , mass of silver = 418 g, specific heat = ?

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 446.0 mg sample…

A:

Q: A 7.0-gram metal sample absorbed 211 J of heat as it was heated from 28°C to 85°C. What is the…

A: Given details, m = 7.0 g Q = 211 J T1 = 28° C T2 = 85° C To calculate the specific heat of the metal…

Q: How much energy must be removed from 13.7 grams of gaseous helium in order to decrease the…

A:

Q: A block of metal weighing 57.58 g is cooled from 100.0°C to 42.16°C with the release of 544.08…

A: Given, Mass of metal (mmetal) = 57.58 g Initial temperature (Ti) = 100°C Final temperature (Tf) =…

Q: Tin has a specific heat of 0.21 J/g°C. If a 3.2 kg sheet of tin absorbs 8.4 kJ of energy, by how…

A: According to the equation, Q=mcdTQ=heat absorbedm=mass of substancedT= change in…

Q: The typical energy content of a pealed banana is 89 Cal per 100 grams. What volume of water can be…

A: Given:Energy in pealed banana = 89 Cal per 100 gramsVolume of water = ?Initial T = 250 CFinal T = 95…

Q: The specific heat of a certain type of cooking oil is 1.75 J/(g⋅°C). How much heat energy is needed…

A:

Q: If silver has a specific heat of 0.24 J/g x C, and it takes 1250 J of energy to raise the…

A:

Q: 100% 2. a. A sample of water with a mass of 23.31 g and an initial temperature of 367.67 K loses…

A: I  Answerd question 2 and it's all part ,  please post next question separately.

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 236.0 mg sample…

A: We know that q = mc∆T ....(1)  q = heat required = 3.7 J, ∆T = increase in temperature = 11.6 °C…

Q: The specific heat of a certain type of cooking oil is 1.75 J/(g·°C). How much heat energy is needed…

A: Amount of heat energy required to raise the temperature of a substance is given by,

Q: The specific heat of an unknown metal is calculated to be 3.74J/g*C. What is the mass of the sample…

A: Answer is explained below.

Q: A student places a block of hot metal into a coffee cup calorimeter containing 151.0 g of water. The…

A: Given data,Mass of water=151.0gInitial temperature of water=23.3oCFinal temperature of…

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

A: GIVEN:-

Q: 1. How much work was done when 46 kJ of energy was spent on compressing a gas as it released 28 kJ…

A:

Q: A 360. mL sample of water was cooled from 70.0oC to 10.0oC. How much heat was lost? Assume density…

A: Given;

Q: 5) A 120.0-g piece of metal at 60.0 °C is placed in 150 g of water at 19.0 °C contained in a…

A: Calculating the heat released or absorbed for the process:            ......(1) In a system, the…

Q: If a 45 g mass of water goes from 25.0 ∘ C to 75.0 ∘ C, how much heat energy in kilojoules (kJ) has…

A: The water is consists of specific heat which is absorbed in reaction. The boiling point of water is…

Q: 1. The temperature of 13.5g of water increased from 15.0°C to 37.0°C. How much heat was absorbed by…

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

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 677.0 g sample…

A: When we heat a substance the temperature of the substance increases. The required amount of heat to…

Q: How many Joules are required to raise the temperature of a 115 g sample of silver from 30. °C to 125…

A: The heat capacity is the ratio of the energy supplied in the form of heat to the rise in the…

Q: copper, 0.385 J/g°C ethanol, 2.42 J/g°C gold, 0.128 J/g°C aluminum, 0.903 J/g°C

A: Specific heat is  defined as the amount of energy required to increase the temperature of 1.0 gram…

Q: 1. When 145.6 J of heat are added to 13.0 g of mercury in a thermometer, the temperature increases…

A: Here we have to determine specific heat of  mercury if 13 g of Hg absorbed 145.6 J heat energy so…

Q: Calculate the specific heat capacity of a piece of wood if 1500.0 g of the wood absorbs 67,500…

A: Interpretation: The specific heat capacity of a piece of wood if 1500.0 g of the wood absorbs…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 794.0 g sample…

A:

Q: A 116.21gram sample of gold is initially at 120.2°C. It loses 0.393kJ of heat to its surroundings.…

A:

Q: The initial temperature of a 415 g sample of iron is 10.6 °C. If the sample absorbs 2.64 kJ of…

A:

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 614.0 mg sample…

A:

Q: 4. A sample of aluminum metal absorbs 9.86 J of heat, upon which the temperature of the sample…

A: Please find your solution below :

Q: Using the data provided, which substance would show the greatest temperature change when 10.0 grams…

A: The question is based on the concept of specific heat capacity. it is defined as the amount of heat…

Q: he freezing point of mercury is -38.8°C. What quantity of energy, in joules, is released to the…

A: The density of liquid mercury =13.6 g/cm3. The mass of mercury = 1.00 mL × 13.6 = 13.6 g Hg.

Q: The freezing point of mercury is –38.8 °C. What quantity of energy, in joules, is released to the…

A: Specific heat capacity is the amount of heat energy that is required to raise the temperature of the…

Q: The specific heat of a certain type of cooking oil is 1.75 J/(g.°C). How much heat energy is needed…

A: We have to calculate the heat required.

Q: how much energy in joules is needed to heat 200.0 g of water by 10.0 degrees celsius? the heat…

A: The energy in joules that is needed to heat 200.0 g of water by 10.0 degrees Celsius is to be…

Q: The specific heat of a certain type of cooking oil is 1.75 J/ (g.°C). How much heat energy is needed…

A: We can solve the problem from the following formula : If we consider Heat required = q, then : q = m…

Q: A gas expands and does work on the surroundings equal to 4.92 L atm. At the same time, it releases…

A: Given: Work done (W) = 4.92 L atm Heat released by the system according to sign convention (q) = -…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.57 kg sample…

A:

Q: What is the work done by a system when it absorbs 47 J of heat and gain 12 J of energy?

A: