Matter in Leg A of the following graph ranges from -20 to 0 °C. This matter is in which state? 120 110 LEGE 100 LEG D 90 60 70 50 LEG C PERATURE

Q: 78. Calculate the amount of heat required to heat a 3.5-kg gold bar from 21 °C to 67 °C.

A: The heat capacity of a substance is defined as the ratio between the heat given for per unit…

Q: How much lead shot needs to be heated to 389 degrees C when placed in 78.6 g water that started at…

A: When any hot substance gets contacted with cool substance, the heat starts moving to cool substance…

Q: A 2.30-gram ice cube at water’s melting point is dropped into a glass of warm juice and gains enough…

A: Endothermic reactions are those reaction where energy is absorbed during the reaction. Similarly,…

Q: Ⓒ Calculate the amount of heat (joules) required to convert 200g of gas at 100°C. ice cubes (0°c) to…

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Q: Macmillan Learning Classify the chemical changes as endothermic or exothermic. 7 # 3 E D C Anser…

A: An Exothermic Reaction is a reaction which releases energy as heat to the surrounding. Whereas an…

Q: How much heat is required to raise the temperature of 3 kg of ice from -3 Celsius to 13 Celsius

A: Given,  Tf ( final temperature) = 13℃ = 286 K Ti ( initial temperature) = -3℃ = 270 K Mass m = 3 kg…

Q: How many joules are required to heat 150 grams of liquid water from 0° to 100° C?

A: The amount of heat absorbed (or released) by fixed amount of a substance to change its temperature…

Q: How many joules are required to heat 2.60g of iron from 30.0 degrees celcius to 51.0 degrees…

A: Given, mass of iron = 2.60 g Initially temperature (Ti) = 30.0°C Final temperature (Tf) = 51.0°C…

Q: The specific heat of copper metal is 0.385 J/g degree C. How much heat in Joules is necessary to…

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Q: If you combine 360.0 mL of water at 25.00 °C and 140.0 mL of water at 95.00 °C, what is the final…

A: We know that, according to the law of conservation of heat energy, heat lost by hot water sample is…

Q: 3. Calculate the temperature change when: a) 10.0 kg of water loses 232 kJ of heat. 10,000 9=DT…

A: The relationship between heat and temperature change is : => q =mc∆T where,  q is the heat  m is…

Q: How much heat, in joules, must be absorbed to raise the temperature of a 125g copper ingot from 14.0…

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Q: ing Curve of 200 g of Water 115°C °C D in inems Apicu °C -10°CA energy added 18. During what…

A: A question based on energy, which is to be accomplished.

Q: 125 mL of H20 is initially at room temperature (22.0°C). A chilled steel rod at 2.0°C is placed in…

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Q: I have 270 mL of hot coffee in an insulated vessel.  I cool it down  to 83 degrees C by adding a 25…

A: If the ice is placed in container with water, the heat start flowing from water to the ice, and…

Q: In joules, how much heat is released when 40.0 g of Ag cools from 189. to 122.? Enter a positive…

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Q: A 4.42kg piece of copper metal is heated from 18.5 Celsius to 334.3 Celsius. Calculate the heat…

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Q: A 110.3 g piece of copper (specific heat 0.380 J/g*°C) is heated and then placed into 400.0 g of…

A: We have to calculate the initial temperature of Cu.

Q: If you combine 330.0 mL of water at 25.00 °C and 120.0 mL of water at 95.00 °C, what is the final…

A: Given : Volume of water at 25.00˚C = 330.0 mL Volume of water at at 95.00˚C = 120.0 mL

Q: amount of heat, in joules

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Q: Calculate the joules to heat 78g of water from 22°C to 62°C.

A: Mass of water = 78 g Initial temperature , Ti=22°C Final temperature , Tf= 62 °C

Q: Which of the following is the largest temperature? O 85°F O380 K O All of these temperatures are all…

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Q: The specific heat of a certain type of metal is 0.128 J/(g*c). What is the final tempature if 305J…

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Q: Suppose we mix 11.0 grams of hot water (85.0 degrees Celsius) with 52.0 gram of cold water (3.0…

A: Mass of hot water, mh=11.0 g Temperature, T1=85.0o C Final temperature, Tf=? Mass of cold water,…

Q: To cool my soda in the summer, I drop a cold whiskey stone into my cup of soda. If the 141.00 g…

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Q: If the specific heat of gold is 0.13 J/(g°C), how much heat is needed to raise the temperature of a…

A: Here we are asked to calculate the amount of heat needed to raise thetemperature of a   20 gram…

Q: A sheet of gold metal that has a mass of 100.0g and has a temperature of 18.0 degrees C is placed…

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Q: A large mug containing 490 g of hot water at 90 °C is left sitting on a table, and gradually cools…

A: We know, heat released or absorbed (q) is calculated from the equation -  q = mC∆T  Where, m= mass…

Q: A large mug containing 550  g  of hot water at 87  ∘C  is left sitting on a table, and gradually…

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Q: Cup + Water (g) 103.4g Cup 1.6g Water ? Initial Temp 19.8°C Final Temp 27.6°C Change in Temp For the…

A: We have given that  Cup + water = 103.4g  Cup = 1.6g  Water  = (Cup+ water) - ( Cup)              =…

Q: A 46.5-g sample of copper at 99.9 °C is dropped into a beaker containing 149 g of water at 18.3 °C.…

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Q: 32 grams of gold absorbed 456 J of energy with the initial temperature at 42.0 °C. Specific heat of…

A: We have given that  Mass of gold = 32g Heat absorbed  = Q = 456J Specific heat for Au = C =…

Q: A 225 g of sample of aluminum was heated to 125.5 oC, then placed into 500.0 g of water at 22.5 oC (…

A: Given information:Mass of sample of aluminum = 225 gMass of water = 500.0 gInitial temperature of a…

Q: Calculate the amount of heat needed to melt 90.2 g of solid benzene (C6H) and bring it to a…

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Q: A 500.0-g of iron is heated in a flame and dropped into a 400.0 g of water at 10.0 •C. The…

A: Mass of heated iron = 500.0 g  Mass of water = 400.0 g   Temperature = 10.0 °C  On adding heated…

Q: Copper wires used to transport electrical current heat up because of the resistance in the wire. If…

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Q: 4. When heated, the temperature of a water sample increased from 15°C to 39°C. It absorbed 4300…

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Q: Bha Calculate the amount of heat needed to melt 27.9g of solid acetic acid (HCH3CO2) and bring it…

A: Amount of acetic acid, m = 27.9 g We have to calculate the amount of heat needed to bring the…

Q: When 156.0 mL of water at 26.0°C is mixed with 86.0 mL of water at 85.0°C, what is the final…

A: Convert the given mL of water into mass.Given, density of water = 1.00 g/mL

Q: Kelvin equals 424 C 697O F° 697 C° 151 O

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Q: 50 g of copper is heated to increase its temperature by 10° C. If the same quantity of heat is given…

A: Given: The mass of copper (Cu) is 50 g The increase in temperature of copper is 10oC The mass of…

Q: A block of iron weighing 28.9 g is heated to 78.4 °C in boiling ethanol. It is then dropped into…

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Q: Lab 2: Use the following data to calculate the change in temperature of the coins. • Initial…

A: Temperature - It is basically the representation of the heat energy of a body. It tells us how much…

Q: 5. 5.0 g of copper was heated from 20°C to 80°C. How much energy was used to heat Cu? q= (m) (a)(AT)

A: Amount of heat,Q required to raise the temperature of a substance of mass ,m and specific heat…