Convert 1,250 Joules to kJ. Convert 1,250 kJ to Joules,

Q: Charcoal is primarily carbon. Determine the mass of CO, produced by burning enough carbon (in the…

A: Charcoal burns in the air and reacts with O2 to produce CO gas, which further burns with more O2 to…

Q: A 40.5 g silver spoon at 17.7°C is placed in a cup of coffee at 89.3°C. How much heat does the spoon…

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Q: What is the mass of the glass block?

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Q: The internal energy of a gas changes from 12 calories to 15 calories when 8 calories of heat is…

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Q: Consider the following data: When metals A and B are placed in contact with each other, which of the…

A: Answer is Option (B)

Q: 0.26g CH4 are burned and all the heat added to a silver cup with 90g H2O(l) inside. If the water was…

A: The combustion reaction of CH4 is => CH4 + 2 O2 --------> CO2 + 2 H2O Since the ΔH of reaction…

Q: Convert 231 cal to kj

A: Conversion factor is the ratio that provides the relation between distinct units of the same…

Q: q= 4.184 heat energy in joules. Use the formula: q=(m)(c)(ΔT) where m=mass of water being heated in…

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Q: convert 255.0 calories to Joules. (1 cal = 4.184J)

A: Solution:- Given - 255.0 calories.  We have to calculate how many joules in 255.0 calories.

Q: Volume of Water(mL)=100mL Initial temp of water (C)= 21 C degrees Mass of metal(g)=2.9grams Final…

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Q: How many Joules of energy are required to heat a 19.3 gram lead ball from 25.0˚C to 47.7˚C? (The…

A: The specific heat of lead states that 0.128 Joule of heat is needed for an increase in temperature…

Q: In the laboratory a student finds that it takes 1Joules to increase the temperature of 13.3 grams of…

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Q: The internal energy of a gas changes from 12 calories to 15 calories when 8 calories of heat is…

A: Welcome to bartleby !

Q: The specific heat capacity of C is 0.7100 J/g*°C. How many joules of heat are necessary to raise the…

A: The amount of heat required is related to specific heat capacity as,…

Q: What is the SI unit of energy? List some other common units of energy.

A: The capacity to do work is called energy.

Q: 12. An aluminum kettle weighs 1.05 kg.(a) What is the heat capacity of the kettle?(b) How much heat…

A: (a) Given that mass of aluminium kettle =1.05 kg = 1050 g Now, heat capacity is explained as the…

Q: 1. During an experiment, a student added 35 J of heat to a system. At the same time, the environment…

A: According to first law of thermodynamics , increase in internal energy of the system is given by ∆U=…

Q: A 15.7 g aluminum block is warmed to 53.2 deg C and plunged into an insulated beaker containing 32.5…

A: Given that,Mass of Aluminium is 15.7 gMass of water is 32.5 gInitial temperature of Aluminium is…

Q: A gas in a closed container is heated  causing the lid container to rise. The gas performs 3J of…

A: According to the first law of thermodynamics. ∆E = q - w   ......(1) The change in energy (ΔE)…

Q: 12. An aluminum kettle weighs 1.05 kg. (a) What is the heat capacity of the kettle? (b) How much…

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Q: A sample of gold weighing 7.7 grams is cooled then placed in a calorimeter containing 27.01 grams of…

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Q: how many joules does it take to heat a 2.50 g silver (Csilver = 233.0 J/kg C) bracelet from 25.0 C…

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Q: 2080 J of energy are transferred into a 805.9-g chunk of copper (specific heat: 0.387 J/g K). By how…

A: Q = m . s . ∆T Where, Q = energy transfer in Joule ; m = mass of material in gram; s = specific heat…

Q: If 5750 joules of energy are added to 455 grams of granite at 24.00 °C, what is the final…

A: The specific heat capacity (Cs) of a species is represented by the following mathematical…

Q: Question attached

A: Given : Mass of water = 35.5 g Mass of metal = 9.323 g Initial temperature of water = 19.42 oC Final…

Q: Calculate the total heat energy in joules needed to convert 20.0g of water from 30.0 c to -20.0c

A: q = mc∆T            m = mass  of water = 20.0 g             c = 4.184 J/g. oC…

Q: What mass of natural gas (CH4) must burn to emit 267KJ of heat? CH4 (g) + 2 O2 (g) -------> CO2…

A: Given, The mass of natural gas (CH4) must burn to emit 267KJ of heat is: CH4 (g) + 2 O2 (g)…

Q: e Joule e Energy is absorbed e Energy can change forces from one type to another e freezing e…

A: Thermodynamics is a branch of science which deals with the concept of heat and temperature and also…

Q: 900 J of heat are added to a system and 200 J of work are done on the system. What is ∆E?

A: For this problem We have to find the change in internal energy for the given condition.

Q: A sample of water with a mass of 764.1g undergoes a temperature change from 41.23oC to 20.82oC. What…

A: Given : Mass of sample = 764.1 g Initial temperature = 41.23oC  Final temperature =20.82oC.

Q: How many joules are required to heat 340 grams of water from 25oC to 125oC?

A: Given: Mass (m) = 340 g = 0.340 kg Initial temperature (T1) = 25°C Final Temperature (T2) = 125°C

Q: How much energy is required to raise the temperature of a 22.588g piece of silicon (Si) to 56.0°C…

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Q: A sample of aluminum metal absorbs 9.86 J of heat, and the temperature of the sample increases from…

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Q: Predict the total quantity of heat that would be required if you wanted to prepare a cup of instant…

A: Volume of cold water is 200 ml and density is 1.0 g/mL.Specific heat of water is 4.18 J.g.-1.°C-1…

Q: what pure metal is the ring composed?

A: Mass of metal (m) = 14.8 g Initial Temperature(T1) = 23.2 °c Final Temperature (T2) = 55.8 °c Heat…

Q: How many joules of heat are required to raise the temperature of 482 g of aluminum from 13.0°C to…

A: given datas ; m = 482 g  Ti = 13.0°C  Tf = 23.0°C  c = 0.88 J/g.°C  q = ?

Q: Part A The specific heat capacity of sold copper metal is 0.385 JigK. How many joules of heat are…

A: Given, specific Heat of solid copper metal  = 0.385 J/gK Mass of block = 1.55 Kg = 1550 g  Initial…

Q: Consider the following reaction: N₂ (g) + 2H₂ (g) = N₂H4 AH = -276 kJ

A: Given: N2(g) + 2H2 (g) ⇌ N2H4 ∆H = -276 kJ The objective is to predict the equilibrium shift

Q: Suppose that 25 g of  substance is initially at 27.0°C. What is the final temperature of each…

A: Step : 1             What is the final temperature of gold upon absorbing 2.35 kJ of heat?

Q: An 80.0 g sample of metal, initially at 96.0°C, is placed into 150. g of water initially at 26.0°C…

A: Interpretation: An 80.0 g sample of metal, initially at 96.0°C, is placed into 150.0 g of water…

Q: A sample of copper absorbs 4.29E1 kJ of heat, resulting in a temperature rise of 6.79E1 °C.…

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Q: How many grams of water can be heated from 27.6°C to 38.9°C by the heat released from 71.3 g of lead…

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Q: A 110.-g sample of copper (specific heat capacity = 0.20 J/°C g) is heated to 82.4°C and then placed…

A: Given : Mass of copper = 110 g Specific heat capacity of copper = 0.20 J/°C.g Initial temperature of…

Q: Classify as exothermic or endothermic CH4(g)  + 2 O2(g) + →  2 H2O(g) + CO2(g) + 889 kJ How do you…

A: When the reaction releases the heat then it is exo thermic and when it absorbs the heat then it is…

Q: A sample of aluminum (c = 0.900 J/g°C) is heated from 20.8°C to 38.7 °C using 3,750 J of energy.…

A: * Specific heat capacity of  aluminium ; C = 0.900 J/g°C  * ∆T = change in temperature = T2 - T1 T2…

Q: water in a container at a temperature of 30 °C. Ciron = 0.444 J/g °C Cwater = 4.184 J/g °C Pwater=1…

A: Mass of iron = 20 g Initial temperature of iron = 120oC Volume of water = 300 mL Initial temperature…

Q: A 456g sample metal with a specific heat capacity of .21 is initially at a temperature of 24.1…

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Q: A 27.5g piece of aluminum sits in a room and cools.  It loses 6120.0 J of heat. If the initial…

A: Mass of Aluminum piece = 27.5 gHeat loose = - 6120 JInitial Temperature = 157.3°CFinal Temperature =…

Q: The specific heat of aluminum is 0.214 cal/g.°C. Determine the energy, in calories, necessary to…

A: 1.) To calculate heat, we use the formula : q = m × C × dT  Where , m = mass  C =Specific heat…

Q: A sample of water of unknown mass undergoes a temperature change from 68.09oC to 72.61oC with a…

A: Given: Energy added = 205.8 J Initial temperature of water = 68.09 oC And final temperature of water…