How many joules of energy is absorbed to drop the temperature of 75 grams of water from 70 degrees Celsius to 20 degrees Celsius?(specific heat water 1.0 cal/g)

Q: How many calories of heat energy are released when 50 grams of water is cooled from 70°C to 60°C?

A: This problem can be solved using the formula Q = mC∆T  Where, Q = heat released or absorbed by water…

Q: In the laboratory a student finds that it takes 65.3 Joules to increase the temperature of 11.7…

A: We can determine the specific heat of metal from the given formula : q = m × C × (Tfinal - Tinitial)…

Q: How much heat is released when 358 g of water cools from 68.3°C to 18.9°C? The specific heat of…

A: This is the question of thermodynamics Here we have to calculate heat released It uses the formula…

Q: How many calories of energy does it take to heat 17.10 grams of water from 30.3 °C to 85.1 °C? Note:…

A: •Firstly discuss about SPECIFIC HEAT:-Specific heat is required energy in calories to increase…

Q: A 15.0 g piece of graphite is heated to 100.0 degrees C and placed in a calorimeter. The graphite…

A: The specific heat of graphite is calculated by using the following expression,

Q: 261.28 mL of 4.0°C water is heated until its temperature is 48.24°C. If the specific heat of water…

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Q: How much heat, in joules and in calories, is required to heat a 28.4-g (1-oz) ice cube from −23.0 °C…

A: Given : Mass of ice cube = 28.4 g Initial temperature of ice cube = -23.0 oC And final temperature…

Q: 8. 750.0 g of water that was just boiled (heated to 100.0°C) loses 78.45 kJ of heat as it cools.…

A: mass of water = m=750.0g  initial temperature =T1=100 oC final temperature = T2 = ...? heat lost =…

Q: A 15.5g sample of titanium loses heat 32.9 calories of heat. If the initial temperature is 28.9°C.…

A: specific heat capacity - it is the heat capacity which is actually defined for given mass of a…

Q: 3) Given the specific heat for aluminum is 0.900 J/g.°C, how much heat is released when a 3.8 g…

A: Given data is  Special heat of aluminium s= 0.900 J/g °C Mass of aluminium = 3.8 g  Temperatures  ∆T…

Q: What is the final temperature if 21.9 kJ of heat is added to 84.1 grams of water at 24 degrees…

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Q: Suppose you heat a metal object with a mass of 30.1 g to 95.4 degrees celsius and transfer it to a…

A: We know that, according to the law of conservation of heat energy, energy gained or loss by the…

Q: 8) The addition of 3.31 kJ of heat to a 300. g sample of mercury at 19.0 temperature to rise to 99.0…

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Q: A 50.00-g sample of metal at 78.0 C is dropped into cold water. If the metal sample cools to 17.0 C…

A: Given: Mass of sample=50.00-g Specific heat of metal=0.108 cal/g °C Change in temperature=78.0…

Q: How much heat is required to warm 1.70 kgkg of sand from 22.0 ∘C∘C to 100.0 ∘C∘C?

A: Q (heat capacity)= mc(delta T) where m = mass of the substance            c = specific heat of…

Q: A 125g piece of metal is heated to 288celcius and dropped into 85.0 g of water at 12.0 Celsius. The…

A: Given,Mass of metal = 125 gTemperature = 288 oCMass of water = 85.0 gTemperature = 12 oCFinal…

Q: what is the specific heat of something that goes from 23.6 degree celcius to 33.7 degree celcius…

A: Using conservation of energy equation   Q=mC∆twhereQ=heat energy m=mass of substanceC=specific heat…

Q: How many calories are required to raise the temperature of a 150.g sample of gold from 25 Celsius to…

A: Given data is as follows: The mass of the gold sample = 150 g The initial temperature of gold Ti= 25…

Q: 2. How much heat must be removed from 155 g of water to cool it from 92.3 °C to 21.6°C? 16

A: Given that the final temperature is 21.6 degree Celsius and the initial temperature is 92.3 degree…

Q: A sample of water with a mass of 190.4g undergoes a temperature change from 81.25 degrees celsius to…

A: q = mc∆T  q is the amount of heat energy (absorbed or released) m is the mass of substance  c is the…

Q: How many grams of water can be heated form 20.0°C to 45.0°C by the heat released from 215.0 g of…

A: Heat is the type of energy that is transmitted between two substances at different temperatures. The…

Q: How many joules of heat energy is required in rising the temperature of 90.1g of water from 29.1 c…

A: It is given that 90.1 g of water is heated and the temperature rises from 29.1°C to a temperature of…

Q: 1. What is the specific heat of ethyl alcohol if 129J of heat is required to raise the temperature…

A: Specific heat is defined as the heat required to raise the temperature of one gram of a substance by…

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

A:

Q: A 125-g piece of metal is heated to 288 °C and dropped into 85.0 g of water at 12.0 °C. The metal…

A: Using the given statement that dropping hot metal into water with given data we conclude that heat…

Q: Calculate the heat lost by a 50.0 g piece of copper metal that decreases it's temperature from 45…

A: Specific heat capacity is the amount of heat that is required to raise the temperature of 1 kg…

Q: 1. How much heat, in joules, is absorbed by 500.0 g of water as its temperature is increased from…

A: So we’ve to calculate the energy and specific heat capacity in the respective question. We can solve…

Q: A 28.4 g sample of aluminum is heated to 39.4 ̊C, then is placed in a calorimeter containing 50.0 g…

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

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Q: A total of 665.19 Joules of heat are observed as 49.79g of lead is heated from 12.0°C to 78.12°C.…

A:

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

A: Heat added = mCp ∆T  m is mass of metal  Cp is specific heat capacity  ∆T is temperature difference.

Q: 14.0 g of metal at 24.0 °C has 250 joules of heat added to it. The metal's specific heat is 0.105…

A: We have given that  14.0 g of metal at 24.0 °C has 250 joules of heat added to it. The metal's…

Q: Compare the heat given off by 1.0 g of boiling water at 100 °C when it comes in contact with your…

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Q: How much heat is required to warm 1.60 kg of sand from 24.0 degree Celsius to 100.0 degree Celsius?…

A: The answer is given as follows

Q: A 65.0-g piece of copper metal at 57.0 Celsius is placed in 50.0 g of water at 25.0 Celsius. The…

A: Solution :  specific heat is defined as the amount of heat per unit mass required to raise the…

Q: A blacksmith heats a 1,540 g iron horseshoe to a temperature of 1445°C before dropping it into 4,280…

A: Specific heat (s) is the heat required to raise the temperature by 1°C of the substance. It has the…

Q: An 80.0g sample of metal, initially at 96 degrees C, is placed into 150g of water initially at 26…

A:

Q: If the specific heat of iron is 0.460J/g°C, how much heat is needed to warm 50.0g of iron from…

A: Mass of Iron, m = 50 g Specific heat of Iron, Cs = 0.460 J/g °C Initial Temperature, Ti = 20°C Final…

Q: heat

A:

Q: A 100.0 g copper sample (specific heat = 0.385 J / g °C) at 100.0 °C is adde water at 26.5 °C. What…

A: The specific heat is the amount of heat per unit mass required to raise the temperature by…

Q: 5.0 g sample of water starting at 59.4°C loses 439 J of energy in the form of heat. What is the…

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Q: A 45-g aluminum spoon (specific heat 0.88 J/g °C) at 24 °C is placed in 180 mL (180 g) of water at…

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Q: In which state (×) does a gram of water loses more heat to cool down to +20 °C?   ___ (l) at +100…

A: 1) Given: Final temperature of water = 20 oC.

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

A: The amount of heat absorbed or released is related to specific heat capacity as,…

Q: Calculate the specific heat of an unknown metal if a 32.5 g sample loses 328 J of heat when it cools…

A:

Q: A (4.1700x10^1) g sample of water (C = 4.18 J / g ºC) initially is at (5.110x10^1)ºC. What is the…

A: According to the equation, Q=mcdTQ=Heat absorbed or releasedc=specific heat capacitydT=Change in…

Q: How many grams of an unknown substance, having a specific heat of 1.66 J g ° C, are present if a…

A: Specific heat, c=1.66 J g ° C Temperature change, ∆T=-173.4 K =-173.4 ° C (The difference in…

Q: When ice at 0.0°C melts to liquid water at 0.0°C, it absorbs 0.334kJ of heat per gram. Suppose the…

A: Since the energy needed to melt 35 g of ice  = energy needed to melt 1 g of ice X mass of ice =…

Q: How many joules of heat are required to heat 150g of aluminum from 48.0 degrees Celsius to 61.5…

A: Heat is given = mc∆T mc(T2-T1) Heat is a form of energy. Heat flow from high temperature to low…