Furnace oil has a heat of combustion of 44.0 kJ g How many grams of oil are needed to heat 25.0 kg of water from 20.0°C to 95.0°C?

Q: If a system has 42.0 J of heat added to it, and the system does 25.0 J of work on its surroundings,…

A: According to the first law of thermodynamics, the provided heat is used in increasing the the…

Q: What is the final temperature of a piece of gold that had 26 Joules of heat applied to it? The mass…

A: Q = heat applied = 26 J m = mass of gold = 20 g Initial temperature = Ti = 25°C C =  specific heat…

Q: 1) What is the specific heat capacity of an unknown metal if 75.00 g of the metal absorbs 418.6J of…

A: For Part: Given:mass of unknown metal, m = 75gHeat absorb by unknown metal, ∆H= 418.6JIncrease in…

Q: A metal radiator is made from 36.0 kg of iron. The specific heat of iron is 0.449 J g-1 °C-1. How…

A: The mass of iron metal is = 36.0 g The heat capacity of iron metal is = 0.449 J g-1 oC-1 The…

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 anwser to  A student heats a 200 g sample of water from 20oC to 80oC. The specific heat…

A: The answer to the following question is-

Q: Consider a neutralization reaction in which NaOH(aq) is mixed with H2SO4(aq) in a coffee cup…

A: Given is coffee cup calorimeter,  Mass m = 159.0 g ΔT = 7.70 °C   We need to find heat of…

Q: The specific heat of a certain type of cooking oil is 1.75 J/(g-°C). How much heat energy is needed…

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Q: A metal radiator is made from 14.0 kg of iron. The specific heat of iron is 0.449 J g °C. How much…

A: The mass of iron is = 14.0 g The specific heat of iron is = 0.449 J.g-1.oC-1 Increase in the…

Q: What is the specific heat of an unknown metal if a 15.1 g sample of this metal shows a temperature…

A: Specific heat capacity of metal can be calculated using formula: Q = m.s.∆T Where Q = heat given m =…

Q: An engineering student wants to study the heat transfer between a 50 g of a heated block of iron…

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Q: -A block of iron metal weighing 5.00 grams with a temperature of 75.0°C was immersed in a beaker…

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Q: How much energy is needed to heat 180g of water from 28.0 C to 95C. The specific heat of water is…

A: Mass of water = 180g  Specific heat of water = 4.184j/g°C Change in temperature, ∆T = 95- 28…

Q: How much energy is gained by copper when 68.4 g of copper is warmed from 13.4°C to 78.4 °C? The…

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Q: The energy absorbed by a certain system is -130 kj . If the system does 90kj of work on the…

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Q: 1. How much work was done when 46 kJ of energy was spent on compressing a gas as it released 28 kJ…

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Q: On a mountaineering expedition, a climber heats water from 0°C to 50°C. Calculate the  mass of water…

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Q: If you have 0.113398Kg of iron. How much heat, in joules, must be added to raise their temperature…

A: Given,specific heat of iron is 0.452 J/g °CInitial temperature =16 °CFinal temperature = 125 °CMass…

Q: What is the mass of an iron piece that cools from 50.2 °C to 27.8°C while releasing 351.7 J of heat?…

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Q: Iron reacts with oxygen to form one mole iron (III) oxide releasing 826 kJ of heat. How much heat is…

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Q: What is the final temperature if a 43.6 g piece of iron at 356°C is added to 147 g of water at 25°C?…

A: Interpretation- To determine the final temperature if  43.6 g piece of iron at 356°C is added to 147…

Q: Consider the following thermochemical reaction for kerosene: 2 C12H26 (1) + 37 O2 (g) 24 CO2 (g) +…

A: The given balanced chemical equation is: 2 C12H26 (l) + 37 O2 (g)→ 24 CO2 (g) + 26 H2O (l)…

Q: A piece of silver with a mass 348 g has a heat capacity of 82.5 JPC. What is the specific heat of…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

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: When 25.0 g hydrogen gas react according to the following reaction, how many kJ of heat are released…

A: Given thermochemical equation is  CO(g) + 3H2(g)   --> CH4(g) + H2O (g)  ;  ∆Hrxn = – 206 kJ Mass…

Q: Suppose you heat a metal object with a massive 31.6 G to 95.5 C and transfer it to a calorimeter…

A: Given : Mass of water = 100.0 g Mass of metal = 31.6 g Initial temperature of water = 17.8 oC Final…

Q: 6.139 Hydrogen is burned in oxygen to release heat (see equation below). How many grams of hydrogen…

A: To solve this problem first we have to calculate the amount of energy required and then tha mass of…

Q: How much heat has to be added to 513 g of copper at 22.3°C to raise the temperature of the copper to…

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Q: How many joules of heat is needed to heat a 108 grams of Aluminum foil from 13°C to 65°C if aluminum…

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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: How much thermal energy (in joules) is required to heat 18.1 g of a metal (specific heat = 0.397 J/g…

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Q: A 25.0 g mercury is heated from 25 °C to 155 °C and absorbs 455 J of heat in the process. What is…

A: Specific heat is the amount if heat required to raise the temperature of 1 g of substance by 1…

Q: A metal object with mass of 20.9 g is heated to 97.0 °C and then transferred to an insulated…

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Q: How many joules of heat is needed to heat a 108 grams of Aluminum foil from 13°C to 65°C if aluminum…

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Q: A system releases 740J of heat while doing 123J of work. What is the value of AU (in J)?

A: A system releases 740J of heat while doing 123J of work. What is the value of∆U (in J)?

Q: • The temperature of a 35.2 g sample of iron increases from 23.7 °C to 29.5 °C. If the specific heat…

A: Given:: Mass of Fe, m=35.2 g  Initial, T1=23.7℃ = (23.7 +273) K=296.7℃ Final, T2= 29.5 ℃= (29.5+273)…

Q: The specific heat of lead is 0.128 J/g·°C. How much heat is needed to raise the temperature of 4.90…

A: Introduction: Specific Heat Formula Heat added to a m kg substance which has specific heat c and…

Q: What is the amount of heat (value of q) when 22.8 g of aluminum is heated from 20.0℃ to 425℃?

A: Given :- mass (m)  = 22.8 g           Initial temperature (T1) = 20.0 oC           Final temperature…

Q: A gas expands and does work on the surroundings equal to 1.95 L atm. At the same time, it releases…

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Q: Calculate the temperature change when 5.76J of heat is released in a calorimeter having a heat…

A: Heat release= heat capacity* rise in temperature

Q: 5. A system compresses when 457 J of work was done on it at the same time it decreases it energy to…

A: Given,  A system 457 J of work done when it compresses, at the same time it decreases energy to 234…

Q: The specific heat of a certain type of cooking oil is 1.75 J/(g-°C). How much heat energy is needed…

A: Solution - According to the question - Given values are - M = 1.75 J T = (191-23) = 168 Formulas -…

Q: A piece of copper alloy with a mass of 85.0g is heated from 30.0°C to 45.0°C. In the process, it…

A: To solve this problem we will use the formula   Q = m • C • ∆T   Where,  Q = heat absorbed  m = mass…

Q: Find the heat transferred (in kJ) when 5.50 L of ethylene glycol (density (d) = 1.11 g/mL; c = 2.42…

A: Given, Volume of ethylene glycol = 5.50 L  Density (d) = 1.11 g/ml  Specific heat ,c= 2.42 J/g K  T1…

Q: One origin of SO3 is the combustion of sulfur, which is present in small quantities in coal. S(s) +…

A: Given the formation of SO3(g) from sulfur, and combustion enthalpy ofsulfur and sulfur dioxide.we…

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: A cylinder contains a mixture of gases under constant atmospheric pressure. The gases undergo a…

A: When heat is absorbed by the system, q is ‘+’. When heat is released, q is ‘-’. When work is done on…

Q: When 25.0 g hydrogen gas react according to the following reaction, how many kJ of heat are released…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: How much energy does it take to heat 15.6 grams of aluminum metal from 25°C to 150.°C? The specific…

A: Mass of Aluminum = 15.6 grams Initial Temperature (Ti) = 25°C Final Temperature (Tf) = 150°C…