The temperature of a 50 g sample of aluminum is raised from 20oC to 90oC when 770 cal of heat is added. The specific heat capacity of the aluminum

Q: The thermal energy of 0.900 mol of a substance is increased by 0.900 J.

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Q: Problem (1): 5.0 g of copper was heated from 20°C to 80°C. How much energy was used to heat Cu?…

A: Given data: Mass (m) = 5.0 g Initial temperature (T0) = 20°C Final temperature (T) = 80°C Specific…

Q: If the specific heat capacity of metal is 200 J kg-¹ K™

A: Given; Mass of metal,m= 150 gheat energy,Q= 75000 JMelting point temperature,t= 8000C a. What is the…

Q: After the 1kg block of ice melts, the amount of heat required to raise its temperature to 10 oC is

A: The heat required to raise temperature to 10 degree Celsius is the sum of heat gained for meting ice…

Q: An unknown metal weighing 900g at an initial temperature 140oC is placed into an insulated container…

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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 69g block of metal has a specific heat of 1.29J. What will be the temperature of this metal to one…

A: Given :-  mass of block   m  = 69 g = 0.069 kg specific heat C  = 1.29 J heat energy Q = 114 J…

Q: How much heat must be supplied to a 325.0 g aluminum pan to raise the temperature of the pan from…

A: Given, mass of aluminum , m = 325.0 g change in temperature, ΔT =112.0 °C-35°C = 77 °C specific heat…

Q: How much heat must a gram of water at 15 celcius lose to turn into ice at -10 celcius? A) 105 Cal B)…

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Q: The amount of heat required to raise the temperature of 2 kg of iron (sp. Heat = 0.115 kcal/kg-C)…

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Q: A beaker of water contains 175 mL of water starting at 27.4 °C. What will the temperature be if 39.3…

A: Given data: Mass (m) = 175 ml = 175 g Initial temperature (T0) = 27.4 °C Heat absorbed (Q) = 39.3 kJ…

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 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 4 g sample of aluminum and a 4 g sample of copper are both at a temperature of 25°C. Aluminum has…

A: This problem is based on the Joules's law.   Write the expression of heat. Q=mcTf-Ti

Q: The water in a pot has a mass of 225 g. The specific heat of water is 4.184 J/gºC. How much heat is…

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Q: A 300g piece of iron at 200 deg Celcius is placed in a 100g aluminum cup containing 220g of liquid…

A: Given Data, Mass of the iron (mi)=300g Temperature of the iron=200 deg Celsius Final temperature=49…

Q: 4 kg of ice at 0◦C is converted to steam at 100◦C. How much heat is needed? The heat of fusion…

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Q: If the material has high specific heat, it will take Ntime to increase or decrease its temperature.…

A: Specific heat : The specific heat of the material is define as the heat capacity per unit mass.…

Q: A 500 gram cube of lead is heated from 25 °C to 75 °C. How much energy was required to heat the…

A: Given:  mass, m = 500 g = 0.5 kg  T = 25 °C T'= 75 °C. c = 0.129 J/g°C  = 129 J/ kg°C.

Q: The water equivalent of 5 kg of a substance is 1 kg. Find its specific heat. 20930 J/kg-C° 4186…

A: Specific heat of 1 kg water is(c)= 4186 J/kg-oc Water equivalent of 5 kg substance is 1 kg Specific…

Q: What is the specific heat of an object that weighs 15g and changes temperature from 30 degrees C to…

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Q: A piece of steel expands 10 cm when it is heated from 20 to 40 deg C. How much would it expand if it…

A: Let the original length of the piece of steel be l and the coefficient of thermal expansion be α.

Q: A hot, just minted copper coin is placed in 100 gr of water to cool. The water temperature changes…

A: Given,mass of the water, mw = 100 gtemperature change of water, ∆Tw= 8 °Ctemperature change of coin,…

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

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Q: The number of grams of ice that can be melted by 1.5 g of 100oC steam is ______.

A: Given data The mass of steam is given as ms = 1.5 g. The temperature of the steam is given as Ts =…

Q: An 55 gram silver spoon at 23 degrees C is place in a cup of coffee at 95 degrees C. The specific…

A: Data provided : Mass of spoon (m) = 55 gram Initial temperature (Ti) = 23 °C Specific heat of silver…

Q: The temperature of a 100 g sample of aluminum is raised from 40 °C to 180°C when 1540 cal of heat is…

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Q: the specific heat of water is 1.0 cal/gram˚C. 100-gram hot water at 100˚C is mixed with 300-gram…

A: The heat gained by water sample at 20 degree celsius = heat lost by water at 100 degree celsius M C…

Q: If 100 calories are added to 40 g water,  calculate the  change in the water  temperature(T) water…

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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 copper vessel whose mass is 150 g contains 60 g of water at 15.50C. How many calories of heat are…

A: Given data: Mass of copper vessel, mcu=150(g), mass of water, mw = 60 (g), initial temperature ,Ti =…

Q: A 1.00x102g metal block at 100° C is placed in 1.00x10° g of water at 10.0°C. The final temperature…

A: Mass of metal m=100 g=0.1 kg Initial temperature of metal block Tm=100 C0 Mass of water M=100 g=0.1…

Q: "A 200.0 g china serving bowl is warmed 65.0°C when it absorbs 2.6 kcal of heat from a serving of…

A: Given quantities: mass of the bowl (m) = 200 g = 0.2 kg temperature change (dT) = 65 degree Celsius…

Q: Calculate the heat needed to heat up a 6.0 kg copper from 15°C to 80°C. The specific heat capacity…

A: Mass of copper: m = 6.0 kg Initial temperature: Ti = 15°C Final Temperature: Tf = 80°C Specific heat…

Q: How much heat is needed to raise the temperature of 25.6 grams of water from 20.0ºC to 50.0ºC?…

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Q: How much heat must be supplied to a 325.0 g aluminum pan to raise the temperature of the pan from…

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Q: A 2 kg. block of copper is removed from a freezer where its temperature was maintained at -19 Co  .…

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Q: specific

A: A substance that has more specific heat absorbs a large amount of heat without rising in…

Q: If 25 kJ is necessary to raise the temperature of a block from 25ºC to 30ºC , how much heat is…

A: The expression for the required necessary heat,

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: While forming a 1.50 kg aluminum statue, a metal smith heats the aluminum to 2700°C , pours it into…

A: Given: Mass of aluminium m =1.5kg  Temperature t1 = 2700 oC Temperature t2 = 23 oC Change of…

Q: A 61.14 gram iron metal is heated to 129.9°C and dropped into 111 gram of water at 20.8°C. When…

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Q: If 2059 J of heat is gained by 57 g of oil that has specific heat capacity of (2.4 J/(g °C),…

A: Heat gained = 2059 Joules  Mass of oil = 57 g  Specific heat capacity of oil = 2.4 J/(g-°C)

Calorimetry

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