A)   An iron nail with a mass of 12 gg absorbs 15 J of heat. If the nail was initially at 30 ∘C, what is its final temperature? Express your answer using two significant figures. B) When 47.1 J of heat is added to 13.8 g of a liquid, its temperature rises by 1.74 ∘C. What is the heat capacity of the liquid?

Q: If 89 J of heat is added to a pure gold coin with a mass of 20 g. what is the temperature change?…

A: Given question of values = -gold coin mass =20gm . Represent of mass = m  -specific heat capacity of…

Q: When 435 J of heat is added to 3.4 g of olive oil at 21°C, the temperature increases to 85°C. What…

A: Heat Added =  q= 435 JMass of olive oil = M = 3.4 gInitial Temperature of Olive oil = Ti = 21°CFinal…

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A: Mass of sample = m = 129 mg = 0.129 g Initial temperature = T1 = - 9.6°C Final temperature = T2 =…

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Q: What is the specific heat of a metal whose mass is 94.5 g if the temperature changes from 250°C to…

A: It is given that the mass of the metal is 94.5 g and is undergoing a temperature change from 250°C…

Q: Since the water absorbs 127 J of heat, this means the unknown metal released 127 J of heat. Based on…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 480.0 mg sample…

A: Given: Mass of mercury=480.0 mg=0.4800 g Temperature change, ∆T=(48.8+273)-(35.2+273)=13.6 K Heat…

Q: The density of a specific substance is 1.23 g/cm3. Likewise, it has a specific heat of .645 cal/g…

A: Given data,  Density of a substance = 1.23 g/cm3  Specific heat (s) = 0.645 cal/g°C  Mass of sample…

Q: If it takes 41.72 joules to heat a piece of gold weighing 18.69g from 10.0°C to 27.0°C, what is the…

A: Given, the amount of heat taken by gold q = 41.72 joules amount of gold m = 18.69 g and increase in…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 355.0 g sample…

A: A numerical problem based on chemical thermodynamics, which is to be accomplished.

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 267.0 g sample…

A: Mass of substance = m = 267.0 g Change in Temperature( ΔT)  = 7.3 - (-5.2) = 12.5 °C = 285.5 K Heat…

Q: A 1709 kg1709 kg car is traveling down the road at 87.0 km/h.87.0 km/h. While traveling at this rate…

A: Given that,

Q: 1) What is the specific heat capacity of a substance if 55.00 grams of this substance absorbs 198…

A: In thermodynamics specific heat capacity of sabstance is equal to the amount of energy required to…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.53 kg sample…

A: We know that  Q = m*s*ΔT        ----------(1) Where, Q is heat energy               m is mass of…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 320.0 mg sample…

A: Consider the given information is as follows; Heat needed (q) = +3.51 JMass of the sample = 320.0 mg…

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A: Specific heat capacity: The amount of heat required to increase the temperature of one gram of a…

Q: Question is attached

A: Specific heat, ratio of the quantity of heat required to raise the temperature of a body one degree…

Q: Chargers for cell phones get warm while they are being used. Some of the energy that they are using…

A: The total energy required to charge a cell phone is equal to the energy a cell phone battery needs…

Q: A chemical substance has a specific heat of 0.897 J/g-ºC. If an unknown mass of this substance is…

A: Answer:- This question is answered by using the simple concept of calculation of heat using the…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 748.0 mg sample…

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Q: give a specific example of a process that has the energy changes and transfers described. (For…

A: From the first law of thermodynamics, In an adiabatic process, there is no thermal contact between…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 126.0 g sample…

A: Specific heat capacity is the amount of heat required to raise the temperature of a substance by 1…

Q: What is the specific heat of an object that weighs 15 grams and changes temperature from 30 degrees…

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Q: A 25.0 g mercury is heated from 25 °C to 155 °C and absorbs 455 J of heat in the process. What is…

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Q: Water (2750 g ) is heated until it just begins to boil. If the water absorbs 5.55 x 10³J of heat in…

A: The amount of energy absorbed by a substance depends upon the mass of the substance, specific heat…

Q: What is the specific heat capacity of iron (in J/(g°C)), if 51.5 J is required to raise the…

A: We will calculate specific heat

Q: An iron can weighing 50 grams absorbs 256.0 J of heat and warms by 11.4C. What is the specific heat…

A: The amount of heat required to raise the temperature of a substance by one degree Celsius is called…

Q: A. HEAT Initial Temperature of Metal A Final Temperature of Metal A 89.67 °C 21.50 °C 4.70 grams…

A:

Q: A 15.0-mL sample of benzene at 21.0 °C was cooled to its melting point, 5.5 °C, and then frozen. How…

A: Calculate the mass of benzene from density,

Q: When 145 mL of 0.212 M NaCl(aq) and 145 mL of 0.212 M AgNO3(aq), both at 21.1°C, are mixed in a…

A: Moles of AgNO3 = Molarity× Volume = 0.212 M × (145/1000)L = 0.03074 moles

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 142.0 g sample…

A: Given :-  Amount of heat needed = 11.7 kJ  Mass of substance = 142.0 g  Initial temperature = 51.2°C…

Q: You add 7000 J of heat to a piece of iron and you observe a temperature rise of 24.0 ∘C. What is…

A: Given that : Amount of heat added to the iron (q) = 7000 J Temperature rise ∆T = 24°C The specific…

Q: If you wish to heat 4.0 L of water on the wood stove from 10.0 °C to 90.0 °C, how much heat must…

A: To solve this problem, we have to use formula which is- Q=m.c.dT Where m is the mass c= specific…

Q: If 801 J of heat is available, what is the mass in grams of iron (specific heat = 0.450 J/g･°C) that…

A: Given data : Heat (q) = 801 J Specific heat (C) = 0.450 J/g.°C Initial temperature (Ti) = 22.5 °C…

Q: A sample of a metal weighing 18.3 g was heated to 99.9°C, then placed into a calorimeter containing…

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Q: An iron can weighing 50 grams absorbs 256.0 J of heat and warms by 11.4°C. What is the specific heat…

A: The given data contains, mass =50 g which absorbs 256 J. Temperature change =11.4°C

Q: In the laboratory a student finds that it takes 14.8 Joules to increase the temperature of 10.6…

A: The specific heat (C) of a compound is mathematically expressed as: C=Qm×∆T…

Q: In the laboratory a student uses a "coffee cup" calorimeter to determine the specific heat of a…

A: Here, we need to calculate the value of specific heat of tin. Specific heat formula is used to…

Q: An unknown solid metal at 150 degrees celsius was placed in 1.00 L of water at 25 degrees celsius.…

A: Heat absorbed or emitted by a substance = mass of the substance x specific heat of the substance x…

Q: Measuring the change in temperature versus time upon addition of a hot metal specimen to 10.3 mL of…

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

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Q: The ΔE of a system that absorbs 184 J of heat from the surroundings and has 42 J of work done on the…

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Q: How much heat is required to raise the temperature of 15 x 10g of water from 45F to 130F? The…

A: Answer: This question is based on the following formula: Q=mS∆There:Q=heat exchangedm=mass of the…

Q: What mass of lead is needed to absorb 348 J of heat if the temp of the sample rises from 35.2…

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Q: A sample of aluminum absorbs 50.1 J of heat, upon which the temperature of the sample increases from…

A: Heat absorbed = 50.1 J  Initial temperature  = 20.0 °C  Final temperature  = 35.5 °C  Specific heat…

Q: If 391.5 Joules of heat are added to 27.96 grams of a liquid, raising the temperature of the liquid…

A: Heat energy released or absorbed can be determined by using the formula:  Q = m×C×∆T  -----(1)…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.46 kg sample…

A: Specific heat--->> The specific heat capacity of a substance is the amount of energy required…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 799.0 mg sample…

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Q: It takes 48.0 J to raise the temperature of an 10.7 g piece of unknown metal from 13.0° C to 24.3…

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