First calculate the heat required to increase the temperature of 25.0 g solid ethanol (C,H OH) from -135 °C to its melting point temperature of -114 °C. (Give the answer in J.) J

Q: What quantity of energy, in joules, is evolved when 1.00 mol of liquid ammonia cools from -33.3…

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Q: If 14.8 kJ of heat is given off when 1.6 g of HCl condenses from vapor to liquid, what is ΔHcond for…

A:

Q: 2. A 125-g metal block at a temperature of 93.2 °C was immersed in 100. g of water at 18.3 °C. Given…

A: Given: For metal, Mass (m1) = 125g,  Initial temperature (Ti) = 93.2°C Specific heat (C1) =…

Q: How much heat is transferred from a 4.10 g gold nugget (specific heat = 0.129 J/g-°C) initially at…

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Q: It took 412.5 J of heat to raise the temperature of 24.6 g of a substance from 14.5°C to 52.6°C.…

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Q: 4. How much heat is absorbed by a 15.5 g piece of gold as it is heated from 4.5 °C to 177.4°C?

A: Given data contains, Mass of gold sample is 15.5g. Specific heat capacity of gold is 0.129 J/g°C.…

Q: What quantity of heat (in kJ) will be absorbed by a 47.1 g piece of aluminum (specific heat = 0.930…

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Q: How much heat (in kJ) will be absorbed by a 31.5 g piece of aluminum (specific heat = 0.930 J/g･°C)…

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Q: What is the specific heat of silver if it takes 75.8 cal to raise the temperature of a 85g silver…

A: The specific heat of silver is calculated by using the following formula,

Q: How much heat (in kJ) will be absorbed by a 79.1 g piece of aluminum (specific heat = 0.930 J/g･°C)…

A: Given: Mass of Al piece = 79.1 gSpecific heat of Al = 0.930 J/g.°CInitial temperature = 23.0 °CFinal…

Q: How much heat (in kJ) will be absorbed by a 51.5 g piece of aluminum (specific heat = 0.930 J/g °C)…

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Q: How much heat (in J) is evolved or absorbed when a 36.2 g sample of aluminum (specific heat = 0.900…

A: In this question gven data , m=36.2gheat capacity=0.900J/(g K)∆T =T2 -T1T2=87.5°C=273+87.5=360.5KT1…

Q: What was the change in temperature for the bar in oC?

A: Given :- q = 2700 J                m = 71.0 g              Cgold = 0.126 J/g°C  To calculate :-…

Q: How much heat (in J) is evolved or absorbed when a 35.1 g sample of ethanol (specific heat = 2.46…

A: specific heat capacity is the amount of heat required to raise the temperature of 1 Kg of a…

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

A: Given data :: Cp of cooking oil = 1.75 J g-1℃-1 q= ? m=2.08 Kg = 2080 g T1=23 ℃  T2= 191℃

Q: kJ are required to melt a 27.2 g sample of solid chromium, Cr, at its normal melting point.

A: When the substance changes solid its state from solid state to liquid state is known as enthalpy of…

Q: Given the table of specific heat values below, what is the identity of a 15.1 g metal sample that…

A: Given : Mass of metal = 15.1 g Increase in temperature of metal = 10.2 oC And total heat absorbed =…

Q: A 100.0-g bar of gold is heated from 25 °C to 50 °C during which it absorbs 323 J of heat. Assume…

A: Specific heat capacity (s) :- The amount of heat absorbed by one gram of a substance to increase…

Q: The specific heat of octane, C8H18(l), is 2.22 J/g-K. (a)How many J of heat are needed to raise the…

A: This problem can be solved by using the equation : q=mc∆Twhere q is the heat required            m…

Q: How much heat (kJ) is absorbed by 948.0 g of water in order for the temperature to increase from…

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Q: 49.85 grams of solid silver carbonate is dissolved in the calorimeter and the temperature goes from…

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Q: What amount of heat is released when the temperature of 450.0 g of a substance drops by 7.1 °C?…

A: Amount of heat released or absorbed is given by the formula :- Q = m × c × ∆t Where m = mass of…

Q: How much heat is gained when the temperature of 288 g of liquid water is raised rom 100 °C to 125…

A: We have to tell which option is correct from given choices of options by finding specific heat…

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

A: Heat of reaction is difference of energy of product and energy of Reactant.

Q: How much heat is transferred from a 4.00 g gold nugget (specific heat = 0.129 J/g-°C) initially at…

A: Given : Mass of water = 5 Kg = 5000 g…

Q: 16.0  J of heat is added to 10.00 g of gold, which is initially at 25°C.The specific heat capacity…

A: The final temperature of the gold is calculated using the given formula,

Q: 60.0 g of ice at 0 °C is dropped in 140 g of water at 80 °C. Calculate the final temperature in °C…

A: Suppose the final temperature of the thermal equilibrium state after mixing is T oC. So T oC is the…

Q: How much heat will be absorbed by a 65.9 g piece of aluminum (specific heat = 0.930 J/g･°C) as it…

A: Heat in kilojoules can be calculated using the specific heat capacity, temperature difference and…

Q: How much heat (in cal) is needed to heat a container of water (with a mass of 5 kg) (specific heat…

A: Given, Note: 1Kg = 1000 g Mass of water (m) = 5 Kg = 5000 g Specific heat capacity of water (Cp) =…

Q: What quantity of heat (in kJ) will be absorbed by a 44.3 g piece of aluminum (specific heat = 0.930…

A:

Q: How much heat (in kJ) will be absorbed by a 50.3 g piece of aluminum (specific heat = 0.930 J/g•°C)…

A: We know that   heat energy is given by     q = m* C* ΔT Given that   Mass of Al = 50.3 g   specific…

Q: What amount of heat is needed to raise the temperature of a 12.7 g piece of aluminum (specific heat…

A: Given that: mass of aluminum = 12.7 g initial temperature, T1 = 23.5 °C  final temperature = 72.0°…

Q: How much heat (in joules) is used to heat a 68.16 gram sample of iron from 0.130 degrees Celcius to…

A:

Q: If 14.8 kJ of heat is given off when 1.6 g of HCl condenses from vapor to liquid, what is ∆Hcond for…

A: Given: Heat= 14.8 kJ Mass of HCl= 1.6g To find: ∆Hcond for the substance

Q: 1. Given the specific heat (J/g∙°C) of the following metals: Al = 0.900 Au=0.129 Cu=0.385 Fe=0.444…

A: To solve this problem we will use the formula     Q = m • c •∆T  Where , Q = heat released or…

Q: A 10.1 g sample of NaOH is dissolved in 250.0 g of water in a coffee-cup calorimeter. The…

A: Given information, Mass of NaOH = 10.1 g Mass of water = 250.0 g Total mass (m) = 250.0 + 10.1 =…

Q: A 125-g metal block at a temperature of 93.2 °C was immersed in 100. g of water at 18.3 °C. Given…

A: The heat flows from higher to lower temperature and hence, the heat lost by metal is equal to heat…

Q: How much heat (in kJ) will be absorbed by a 50.3 g piece of aluminum (specific heat = 0.930 J/g･°C)…

A: Since ,  Q = m c ∆ T                    where ,                                   Q = Heat…

Q: 1.1 A 50.0 g aluminium disk at 300 °C is placed in 200 cm of ethyl alcohol at 10 °C, then removed…

A: Given: Mass of aluminum disk is 50.0 g  Temperature of aluminum disk is 300∘C Volume of ethyl…

Q: How much heat, in joules (J), must be added to a 75.0-g iron block with a specific heat of 0.449 J/g…

A: Given: Mass of iron block =75.0 g Specific heat of iron =0.449 J/g oC Initial temperature(T1) =25 oC…

Q: How much heat (in kJ) will be absorbed by a 75.9 g piece of aluminum (specific heat = 0.930 J/g･°C)…

A:

Q: The specific heat of toluene (C7H8), is 1.13 J/g•K. How many kJ of heat are necessary to raise the…

A:

Q: How much heat will be absorbed by a 50.3 g piece of aluminum (specific heat = 0.930 J/g•°C) as it…

A: Mass of Aluminum = 50.3 g Specific mass = 0.930 J/g◦C

Q: How much energy is evolved as heat when 4.7 L of water at 0 °C solidifies to ice? (The heat of…

A: We know that  Density of water = 1 g/mL Mass of water = density of water x volume Mass of water = 1…

Q: A 27.7 g sample of ethylene glycol, car radiator coolant,loses 688 J of heat. What is the initial…

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Q: A 55 kg block of metal has an original temperature of 15.0°C and 0.45 J/g°C. What will be the final…

A: m = 55 kg = 55000 g  Ti = 15°C  c = 0.45 J/g.°C q = 450 J  Tf = ?

Q: How much energy is evolved as heat when 0.1 L of water at 0 degrees celcius solidifies to ice. (The…

A: The density of water at 0oC is 0.99987 g/mL. The mass of 0.1 L of water at 0oC is; 1.0 L=1000.0…

Q: Titanium metal is used as a structural material in many high tech applications such as jet engines.…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: How much heat energy is needed to raise the temperature of 10.00 grams of solid aluminum (c = 0.90…

A: Heat energy can be calculated as: Q = mc∆T Where, Q = heat m = mass c = Specific heat ∆T = Change in…