When a hot coffee is poured into a cup, how much heat is lost from the coffee to the 200-gram cup (specific heat 0.20 cal/g-°C) in raising its temperature from 70 to 180°F?

Q: The heating element in an electric kettle is rated as 2.0 kW. If the water in the kettle is at 100.0…

A: The expression for the power,

Q: How much heat must be added when a 5.0 kilogram block of copper is warmed from a temperature of…

A:

Q: A coffee-cup calorimeter contains 55.0 g of water at 25.90° C. If 4.21 g gold metal at 89.20° C is…

A: Given that  mw=55 g                    mg=4.21g                    Tw=25.90 o C…

Q: How much is required to raise the temperature of 250ml of water from 20.0 degree celsius to 35.0…

A: Given: Volume of water = 250 mL, T1 = 20.0 oC and T2 = 35.0 oC

Q: A yacht has an aluminum hull 5 mm thick whose under water area is 100 m2. How much heat is conducted…

A: The area =100m2The interior temperature 20°cwater =12°cThe thermal conductivity is 0.057kcal

Q: When 25 g of ice at -20°C have absorbed 2500 cal of heat, what is the temperature of the resulting…

A: The temperature of an object tells us whether the material is hot or cold. When a material is…

Q: By what percent will the radiated heat per square meter increase due to such a temperature…

A: We know that radiated head energy per unit area = eσT4 Where ,e is emmisivity and σ is Stefan…

Q: A 6.20-kg steel ball at 19.4°C is dropped from a height of 11.2 m into an insulated container with…

A: mass m1  = 6.20 kg height H = 11.2 m volume V = 4.50L V = 4.50 X 10-3 m3 mass of water m2 = density…

Q: If the specific heat of water is 4186 J/kg C. If 20000 J are added to 2 kg of water at 20oC, what…

A: It is according to the equation, Q = ms(Tf -Ti) Where, Q: Heat added              m: mass…

Q: A quantity of steam (390 g) at 113 degrees Celsius is condensed, and the resulting water is frozen…

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Q: How many kilocalories of heat would be needed to melt 20kg of ice at -30 degrees Celsius and…

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Q: If the specific heat capacity of the ice is 0.5 cal/g oC, how much heat would have to be added to…

A: First the temperature of ice -10°C is raised to 0°C then ice is melted to water at the same…

Q: a small metal bar, whose initial temperature was10 degrees celcius, is dropped into a large…

A: According to Newton's Law of Cooling, T = Tm + cekt, where T = the required temperature after time…

Q: How much heat in joules is needed to raise the temperature of 5.0 L of water from 0 degrees Celsius…

A: Given data:  Volume of water = 5.0 L = 5.0 × 10-3 m3 Initial temperature (T0) = 0 °C Final…

Q: A temperature change of 20 degree Celsius is equal to a temperature change of how many in degree…

A: The temperature conversion formula to change degree Celsius to degree Fahrenheit is given by,…

Q: In an electric freezer, 400.0 g of water at 23.0°C is cooled, frozen, and the ice is chilled to…

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Q: A cooking pan whose inner diameter is 20 cm is filled with water and covered with a 4-kg lid. If the…

A: Given: Diameter, d = 20 cm Thus, radius r = d/2 = 20/2 = 10 cm = 0.1 m. Mass m = 4 kg  Atmospheric…

Q: How much heat energy is required to vaporize 1 gram of of ice at 1 Celsius?

A: In the given question, We have to determine the heat energy to vaporize 1 gram of of ice at 1…

Q: The specific heat of a certain type of metal is 0.128 J/(g⋅∘C). What is the final temperature if 305…

A: Amount of heat,Q= MCdt Where M= mass of metal=  38.0 g  C= specific heat= 0.128 J/(goC) dt=change in…

Q: A window glass 0.50-cm thick has dimensions of 3.0 m by 1.5 m. If the outside temperature is -10°C…

A: Given: Area of the glass, A=3.0 m x 1.5 m=4.5 m2. Thickness, d=0.50 cm=0.005 m Temperature…

Q: what is a change in temperature of 50° C equal to in Kelvin?

A: Given  temperature in centigrade =500 C

Q: If the specific heat capacity of the ice is 0.5 cal/g Celsius, how much heat would have to be added…

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Q: How much thermal energy is needed to raise the temperature of 10.0 g of water 15.0 degrees C?

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Q: How much heat (in cal) is needed to heat a container of water (with a mass of 5.5 kg) (specific heat…

A:

Q: If 2.0 kg of water at 0°C is to be vaporized, how much heat must be added? 1080 kcal 1080 cal 1280…

A: Given:- mass=2 kg= 2000g Initial temperature=0 degree The heat required to convert water is at 100…

Q: How much heat is required to vaporize 7 grams of ice initially at 0 degrees Celsius when the latent…

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Q: The specific heat of gold is 0.129 J/g°C. How much heat is required to raise the temperature of 15…

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Q: On a winter day the temperature drops from - 5 degrees * C to - 25 degrees * C overnight . If a pan…

A: The amount of heat required to change the temperature is Q=mcΔT

Q: How much heat is required to melt 30 kg of ice at 0°C to water at 10°C? The latent heat of ice to…

A: Here the heat requirement shall comprise of two parts a) Heat required to raise temperature of water…

Q: A hot steel plate with a surface area of 1.52 m2 and a constant surface temperature of 166°C is…

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Q: How many Joules of heat are required to raise the temperature of 750 kg of water from 15 0C to 75…

A: Given data -  mass of water (m) = 750 Kg or 750000 g                          initial temperature…

Q: The melting point of aluminum is 660°C, its latent heat of fusion is 4.00 x 105 J/kg, and its…

A: According to question --- Given data--- melting point = 660 degree C  Latent heat of fusion = 4 ×…

Q: An insulated aluminum can whose mass is 0.20 kg contains 0.30 kg of water at 25 °C. A 0.10-kg metal…

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Q: When 200 mL of water in an electric kettle is heated from 20°C to 35°C to make a cup of tea, how…

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Q: An ordinary egg with a mass of 0.1 kg and a specific heat of 3.32kJ / kg. ° C is dropped into…

A: Given data: Mass of egg is, m=0.1 kg. Specific heat of egg is, c=3.32 kJ/kgC∘. Final temperature is,…

Q: A quantity of neon gas is contained in a steel tank at 240 degrees Celsius and 1.1 atmospheres. When…

A: Write the given values of the neon gas. P1=1.1 atmT1=240+273=513 KP2=1.15 atmT2=0+273 K=273 K

Q: An automobile cooling system holds 18.9 L of water. How much heat does it absorb if its temperature…

A: Given Data Volume of the water is V=18.9 L=18.9×10-3 m3 Initial temperature is ti=20.8°C Final…

Q: A box ,total surface area 2.20m² and a wall thickness 6cm is made of an insulating material.10 W…

A: We have to find the thermal conductivity(k) of the insulating material. And it is given that we have…

Q: On a day where the air temperature is 5.2 °C, the wind starts to blow, which increases the surface…

A: In this question we have to determine the wind-chill temperature.

Q: How much heat (in cal) is needed to heat a container of water (with a mass of 4.1 kg) (specific heat…

A: Given data: Mass (m) = 4.1 kg = 4100 g Specific heat capacity (c) = 1.00 cal/g.°C Initial…

Q: How much heat in Calories does it take to raise 2000 g of water by 4.5 Degrees C?

A: The amount of heat required to rise the temperature of water is, Q=mc∆T the specific heat of water…

Q: How much heat must be removed from 400 pounds of blanched vegetables at 195 degrees F to freeze them…

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Calorimetry

Measuring the heat transferred during chemical reactions or other physical processes is known as calorimetry. It comes under the branch of thermochemistry.