Suppose that to a mug containing 125 mL of water at a temperature of 90°C we are 165 mL of water at an unknown temperature and makes the contents well. What is that unknown temperature is the final temperature of water in the mug is 58.3°C consider that the mug is well insulate and that the water density which is 1.00 g over milliliters is independent of that temperature?

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: 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: A backpacker wants to carry enough fuel to heat 2.0kg of water from 25 degrees C to 100.0 degrees C.…

A: Given,Mass of water = 2.0kgInitial temperature = 25 degree CelsiusFinal temperature = 100 degree…

Q: What is the independent and dependent variable? Does the mass of a bouncy ball affect how much…

A: Dependent variable: A variable which depends on the other variable say, independent variable. It is…

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

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.97 kg sample…

A: We know that heat involved and specific heat capacity of a system are related by the equation- ∆H =…

Q: 1. In what two ways can an object possess energy? How do these two ways differ from one another?…

A: Hey, since there are multiple questions posted, we will answer first question. If you want any…

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

A: The solution is provided below;

Q: 125g of hot Bismuth is placed in 45.0 mL of water (d = 1 g/mL)  at 23.0°C. What was the original…

A: Uisng the concept of conservation of energyHeat lost by hot Bismuth = Heat gain by water…

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: A chemist carefully measures the amount of heat needed to raise the temperature of a 385.0 g sample…

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Q: A piece of iron (C=0.449 J/g°C) and a piece of gold (C=0.128 J/g°C) have identical masses. If the…

A: The heat of any temperature change process of metal is given by  Q = mCΔT where m = mass of metal  C…

Q: A copper block is removed from 345°C oven and immediately dropped into 3.75 L of water at 20°C.in an…

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

A: The question is based on the concept of calorimetry. We have to determine specific heat capacity of…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.51 kg sample…

A: Given :-  heat needed to raise the temperature of substance i.e. q = 74.5 kJ  mass of substance =…

Q: 125 mLmL of H2OH2O is initially at room temperature (22.0∘C∘C). A chilled steel rod at 2.0∘C∘C is…

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Q: You are asked to calibrate a 25.00 mL volumetric pipet. You determine that the temperature of your…

A: Here we have to calibrate the pipet using mass and density of water.Given,mass of water transferred…

Q: A kilogram of ice, whose density equals 0.92 g/ml and initially at -5 degrees Celsius is placed in…

A: a.) To calculate the heat required to boil 1.0 kg of liquid water , we would use formula : q = m ×…

Q: Calculate the energy, in joules, to heat a cube of gold with a volume in of 12.0cm^3 from 15 Celsius…

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Q: A student obtained a clean flask. She weighed the flask and stopper on an analytical balance and…

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Q: A customer orders 200ml of Sumatran coffee at precisely 60.0°C. You then need to add enough milk at…

A: 70.588ml of milk we must add to reach this temperature.

Q: In the laboratory a student finds that it takes 79.6 Joules to increase the temperature of 14.8…

A: The specific heat capacity of copper (C) can be calculated using equation (1). In this equation, m…

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 the laboratory a student determines the specific heat of a metal. He heats 18.8 grams of aluminum…

A: Given that-Mass of aluminium=18.8 gramsIts initial temperature=98.63°CMass of water=79.1 gramsIts…

Q: In the laboratory a student finds that it takes 34.3 Joules to increase the temperature of 13.7…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.99 kg sample…

A: Given-> Weight of sample = 0.99 Kg = 0.99×1000 gm…

Q: 4) Calcium chloride (CaCl2) emits heat when dissolved in water. CaCl2e) → Ca- 2+ (aq) + 2Cl (aq) ΔΗ.…

A: First of all you need to find the amount of heat required to raise the temperature of water. For…

Q: What is the distinction between temperature and thermal energy is a system?

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 1.21 kg sample…

A: Please find your solution below : Calorimetry is a process which is used to measure the amount of…

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: 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: chemistry professor has a cup of coffee containing 50.0 mL of room temperature coffee at 25.0 °C.…

A: V1= 50ml and density = 1g/ml So mass(m1)= density * volume                   m1 =   (1g/ml)*(50ml)…

Q: How much heat must be absorbed by a 13.0 g sample of water to raise its temperature from 13.0°C to…

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Q: A 20.94 g sample of a metal is heated to 99.4°C in a hot water bath until thermal equilibrium is…

A: The heat lost by the metal is determined as follows,

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: When 375 mL of water (d = 1.00g/mL) at 32°C are mixed with 125 mL of water at 92°C, what is the…

A: Mass of 375 mL water and 125 mL water is calculated as follows,

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

A:

Q: A piece of metal weighing 73.10 g was heated to 99.3°C and then put into 30.00 g of water (initially…

A: The given data : The mass of metal = 73.10 g The temperature of metal = 99.3°C The mass of water =…

Q: A 25.0 mL sample of ethanol (density=0.789 g/mL) initially at 7.0 Celsius is mixed with 35.0 mL of…

A: Volume of ethanol = 25.0 mL Density of ethanol = 0.789 g/mL So, mass of ethanol = volume * density =…

Q: Calculate the amount of heat required to raise the temperature of 245.0 gg (approximately 1 cup) of…

A: Given data,

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: 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: A kilogram of ice, whose density equals 0.92 g/ml and initially at -5 degrees Celsius is placed in…

A: a.) To calculate heat required to raise temperature of ice to its melting point , we would use…

Q: In the laboratory a student determines the specific heat of a metal. He heats 18.4 grams of…

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Q: You are performing an experiment where you place 9.2113 g of Al metal at 205.02 C into a coffee cup…

A: Given data,Mass of water=98.4gInitial temperature of water=25.05oCFinal…

Q: A beaker contained 67.27 g of water at 19.84°C. A 89.96-g sample of metal at 67.86°C was placed in…

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Q: A 41.5 g silver spoon at 18.7°C is placed in a cup of coffee at 93.8°C. A short time later, the…

A: The heat lost by the coffee cup is gained by silver spoon. This relationship can be written as shown…

Q: A beaker contained 65.15 g of water at 18.58°C. A 114.38-g sample of metal at 52.11°C was placed in…

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