A substance has a specific heat of 2.5 J/g°C. How energy will it take to raise the temperature of 6 grams of the substance from 15°C to 50°C?

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 heat is necessary to change 585 g of Ice at -7 degrees Celsius to water at 20 degrees…

A: mass = 585 g temperature of ice = -7 C final temperature = 20 C specific heat of ice = 2.108 J/g - C…

Q: A 30-kg child has a temperature of 39 °C. How much heat must be removed from the child’s body to…

A: The change in thermal energy is given by

Q: the specific heat capacity of iron is 4.5 ' 10² J/kg×⁰C. The heat energy required to heat 5.0 kg of…

A: Given, Specific Heat capacity of Iron (s)=4.5×102J/kg.C0 Mass of Iron (m)=5.0 kg Initial Temperature…

Q: How much heat is needed to heat 5 kg of water from 20 degrees Celsius to water vapor at 100 degrees…

A:

Q: A person doesn't want to gain more weight. However, he decides to eat a meal of 10,000 Calories and…

A: Given Data The meal contains 10000 Cal=10000 Cal×4.19 J1 Cal=41900 J The person climbs a height of…

Q: What is the heat capacity of a radiator system that uses 1.50 x 105J of heat to go from 25.0 ⁰C to…

A: Given that Heat used by radiator Q = 1.5 X 105 J

Q: Dimensional formula for thermal conductivity is (here K denotes the temperature): 1) MLT–3…

A: Dimensional formula for thermal conductivity is (here K denotes the temperature)

Q: How much heat is required to raise the temperature from 30 °C to 300 °C of a iron skillet of mass…

A: Write the expression for the required heat. Here, m represents the mass, c represents the specific…

Q: Ice at 0.00°C is added to 1.00 kg of orange juice, cooling it from 20.0°C to 5.00°C. What mass of…

A: Given data:  Ice temperature = 0.00°C Mass of orange juice (m1) = 1.00 kg Initial temperature (T0) =…

Q: A 10KW immersion heater is placed in a pot containing two liter of water at 23°C. How long will it…

A: Given : P = 10 kW = 10 × 103 W V = 2 L = 2 × 10-3 m3 T1 = 23°C T2 = 100°C e = 32% = 0.32 c = 4185…

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: A 59.7 gram piece of metal is placed in 60.0mL of water and heated from 22.0-28.5°C. What is the…

A: Question asks about the specific heat, but the options given are of heat.    Mass, m = 59.7…

Q: The heat of vaporization of ethyl alcohol is 8.5 x 10^5 J/kg. If 2 kg of it were allowed to vaporize…

A:

Q: What is the ratio of specific heat of sand to the specific heat of water?

A: The specific heat of water is very high, and the specific heat of sand is low.

Q: A hollow box with an opening of 1 cm2 area is heated electrically. How much is energy is emitted per…

A: Given value--- Area = 1 cm2. Temperature = 1600 K. We have to find--- power emitted per second?…

Q: The heat of fusion of ice/water is 3.35x105 J/kg. How much energy is required to melt 50 grams (0.05…

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Q: A bulb delivers 33 W of radiant energy when its filament is at 1900 °C. If the temperature increases…

A:

Q: In a laboratory, bunsen burner is used to increase the temperature of lime from 10 °C to 50 °C with…

A: given,T1=10 °CT2=50 °Cthermal energy Q=8000 Jmass, m=20 kg

Q: Some amount of heat energy is removed from a 9cm X 26cm X 46cm block of ice to cool from 0ºC to…

A: initial temperature = 0 C final temperature = -26 C volume = 9 * 26 * 46 cm3 = 10764 cm3a) mass =…

Q: How long would it take a person with an average body (surface area of 1.8 m^2 and normal body…

A: Given  The surface area of the body is A = 1.8 m2. The number of moles of air is m = 2700 mol. The…

Q: A 250 grams piece of tin at 99 0C is dropped in 100 grams of water at 10 0C. If the final…

A:

Q: Ice at 0.00°C is added to 1.00 kg of orange juice, cooling it from 20.0°C to 5.00°C. What mass of…

A:

Q: A hot 1 kg chunk of copper is allowed to cool to 100°C. If the copper gave off 231 kJ of energy,…

A: It is given that,

Q: The water equivalent of 5 kg of a substance is 1 kg. Find its heat capacity. 2184 J/C° 4186 J/C°…

A:

Q: How much heat is required to change 456 g of ice at -25.0°C into water at 25.0°C? The specific heat…

A: mass of ice (m) = 456 g Initial temperature of ice (t) = - 25 degree celsius Final temperature of…

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: What will be the final temperature if 4.0x10^4 J of heat is transferred to a 1.5kg block of aluminum…

A: Given: Specific heat of aluminum = 9×102 J/kg.C° Initial temperature Ti = 15 °C Heat transferred =…

Q: Some amount of heat energy is removed from a 5cm X 12cm X 37cm block of ice to cool from 0°C to…

A:

Q: How many calories of heat are required to raise the temperature of 4 kg of water from 50°F to the…

A: Given data: Mass of the water, m=4 kg Initial temperature, T1=50oF = 50-32×59 oC = 10 oC Temperature…

Q: How much heat is necessary to raise the temperature of 1000 g of ethanol from 20oC to 80oC? The…

A:

Q: How much heat is required to raise the temperature of 30.0 g of water from 288 K to 368 K? O 10 kJ…

A: Given, mass m = 30 g T1=288 K T2 = 368 K Specific heat capacity of water c = 4.18 J/g.K

Q: A cup with 1.25 kg of ice is at -10 celsius is heated until all the ice melts. How much energy was…

A: Given,

Q: A 100 g glass container contains 250 g of water at 15.0 °C. A 70 g piece of unknown material at 100…

A:

Q: A person doesn't want to gain more weight. However, he decides to eat a meal of 10,000 Calories and…

A: given, person needs to burn , Q = 10000 Cal person burns all the calories by climbing 20 m high…

Q: After eating a 200 g bottle of yogurt, Bob decides to go for a run to burn off the extra energy. The…

A: Given: Mass of the yogurt eaten by bob = 200 g Energy from the yogurt = 5.4 MJ/kg Metabolic rate of…

Q: How much heat is required to raise the temperature of a 225 g lead ball from 15 °C to 25 °C? The…

A: Option C is the right answer  288 J

Q: A rectangular block of aluminum has the following dimensions: 1m x 1m x m. The density of aluminum…

A: Given value--- dimensions = 1m × 1m × 1m . density = 2700 kg/m3   We have to find--- weigh of…

Q: How much heat is required to raise the temperature of 4 gal of water from 60 degrees Fahrenheit to…

A: Given in question -  Mass of water = 4 gal                                   Initial…

Q: How much heat is required to melt 30kg of ice at 0 degrees celsius to water at 90 degrees celsius?

A: Converting ice at 0oC to water at 90oC is two step process. step 1 - The ice at 0oC is converted is…

Calorimetry

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