An unknown substance has a specific heat capacity of 2.22 J/g °C. If 45.6 grams are heated with 1,150.0 joules of energy, what will the change in temperature be? Your Answer:

Q: A 45-g aluminum spoon (specific heat 0.88 J/g °C) at 24 °C is placed in 180 mL (180 g) of coffee at…

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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…

Q: What amount of energy is required to heat 71.1g of marble from 21 degrees celcius to 151 degrees…

A: Recall the following expression to calculate amount of required energyQ…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 216.0 g sample…

A: The mass of the sample is = 216.0 g The increase in the temperature is = 19.1 - 1.3 = 17.8oC = 17.8…

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 heats of some common substances are as follows: iron = 450 J/(kg ·°C) sand = 830 J/(kg…

A: The given specific heat values are,

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.85 kg sample…

A: Given: Mass of sample = 0.85 Kg = 850 g                              (Since 1 Kg = 1000 g) Initial…

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 796.0 mg sample…

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Q: 1. If 200. grams of water is to be heated from 24.0°C to 100.0°C to make a cup of tea, how much heat…

A: Given that:                                             Mass of water = 200 g…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 333.0 g sample…

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Q: A 1.37 kg sample of an unknown substance was heated up using 8,011 cal of energy from 45.1 °C to…

A: We are given the sample of unknown  species  mass=1.37 kg=1370 gm Energy Q=8011 cal 1 cal =4.184…

Q: An aluminum coin has a mass of 0.568g, a heat capacity of 0.903J/g°C and has gone from -12.5°C to…

A: First calculate the change in temperature ( ∆T ) :  ∆T = T2 - T1  ∆T = ( 33.0°C ) - ( -12.5°C )  ∆T…

Q: A 55-gram aluminum spoon (specific heat 0.88 J/g°C) at 54°C is placed in 150 mL of coffee at 105°C…

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Q: An electric range burner weighing 610.0 grams is turned off after reaching a temperature of 483.5°C,…

A: Heat loss = Heat gain  ( mS∆T )burner = ( mS∆T ) water

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 590.0 g sample…

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Q: repair crews to weld rails together. -) Ⓡ 2Fe(s) + Al2O3(s) DH rxn= -850 kJ -n, in grams, is formed…

A: Exothermic process is the one in which energy is liberated from the system to the surrounding in the…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 196.0 g sample…

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Q: Calculate the amount of heat required to raise the temperature of a 68 gg sample of water from 39 ∘C…

A: To increase the temperature of a substance, heat is given to the substance. The “temperature at…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 212.0 g sample…

A: • The values provided in the question are:-  i) Mass of a substance, m = 212.0 g  ii) Initial…

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: 2. A fast food item contains 1130 calories. Convert this energy to Joules. (1 cal=4.184 J)

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.68 kg sample…

A: The mass of the substance is = 1.68 kg The increase in the temperature of the substance is =…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.25 kg sample…

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Q: A chemist carelully experiment shows that 0.84 J of heat are needed. What can the chemist report for…

A: Solution - According to the question - Given - T1 = 14.7 °C T2 = 19.9 °C Heat needed = 0.84 J Mass…

Q: 150. Grams of water must be heated from 22.0°C to 100.0 °C to make a cup of tea, how much heat must…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.50 kg sample…

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Q: Find the final temperature of water given an initial temperature of 28 ˚ C, a mass of 8 g, heat (q)…

A: Initial temperature of water (T1) = 28°C Mass of water (m) = 8 g Heat absorbed (q) = 184 J Specific…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 270.0 g sample…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 732.0 mg sample…

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Q: A 312 g sample of a metal is heated to 281.562 °C and plunged into 200 g of water at a temperature…

A: Here we can calculate the heat gained by water using its specific heat , mass and temperature…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 162.0 g sample…

A: Answer: When heat is added to a substance, its temperature rises but the value of temperature rise…

Q: In a calorimetry experiment, a 49.4 g piece of metal at 118. °C is put into a cup of cool water that…

A: Given: Water: mw = 98.3 g Cpw = 4.184 J/g-K ∆ T = 20 deg C Metal: mm = 49.40 g Cpm = ? (J/g-K) ∆ Tm…

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

A: Calorimeter: A calorimeter is an instrument used for calorimetry, or the process of measuring the…

Q: A chemist accidentally leaves a 300.0 g sample of benzene on an activated hotplate. The benzene…

A: Detail mathematical calculation is shown below

Q: 3) Calculate the heat capacity of a piece of wood if 1500.0 g of the wood absorbs 6.75x104 joules of…

A:

Q: A 24.0 g sample of iron was heated from 0°C to 35.0°C. It absorbed 4087.4 J of energy as heat. What…

A: Consider the given equation as; Q = M C dT                          .......(1) Consider the given…

Q: A glass contains 250.0 g of warm water at 78.0°C. A 50.0 g piece of gold at 2.30°C is placed in the…

A: according to principle of calorimetry  heat lost by one system = heat gained by other system

Q: To determine whether a shiny gold-colored rock is actually gold, a chemistry student decides to…

A: Given information: Mass = 4.9 g Heat required = 54.4 J Initial temperature = 25 oC Final temperature…

Q: The temperature of a 16.2g sample of gold increases from 20.5°C to 30°C. If the specific heat of…

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

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 339.0 g sample…

A:

Q: The specific heat of aluminum is 0.900 j/g*C, how many joules of energy are required to raise the…

A: Given, mass of Al (m) =20.0 gspecific heat of Al (c) =0.900 Jg.°Cinitial temperature T1 =10.0…

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

A: Specific heat capacity can be calculated as follows

Q: 1. How much heat must your body transfer to 500.0g of water to heat it from 25.0°C to body…

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Q: An electric range burner weighing 619.0 grams is turned off after reaching a temperature of 499.9°C,…

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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 lead fishing weight has a mass of 57 g. The weight absorbs 146 cal of heat. If its initial…

A: The specific heat of a compound suggests the amount of heat needed for per unit mass of the compound…

Q: An object that has a mass of 75 g is heated from 50°C to 93°C. If it takes 3000 J for the…

A: Given: Mass of object = 75 g Initial temperature = 50°C Final temperature = 93°C Heat required =…