How much energy in calories is required to heat 125 g of Fe from 25°C to 150°C? (Specific heat capacity for iron is 0.108 cal/g·°C.)

Q: The enthalpy of solution (AH) of KOH is -57.6 kJ/mol. If 2.91 g is dissolved in enough water to make…

A: Given: Volume of solution = 150.0 mLDensity of solution = 1.02 g/mL.Enthalpy of solution of KOH =…

Q: Which sample will reach the lowest final temperature when all samples evolve 12.5 J of heat and all…

A: Since, Q =m.c.St WHERE Q = heat energy M =mass of metal C= specific heat of metal Triangle T =…

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: If 1.42 kcal of energy is required to raise the temperature of a 190 g sample of pure iron, by how…

A: Q - heat = 1.42 Kcal m - mass = 190 g C - specific heat =0.45 J/g-°C ΔT - change/rise in temperature…

Q: 75.0 g of Ag metal is heated to 80.0 °C and dropped into 50.0 g of water at 23.2 °C. The final…

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Q: You determine that 143 J of energy as heat is required to raise the temperature of 94.28 g of zinc…

A: Specific heat capacity of a substance is amount of heat required to raise temperature of a substance…

Q: When 129.0 g of 0.200 M NaCl(aq) at 22.0 °C is added to 212.0 g of 0.100 M AgNO3(aq) at 22.0 °C in a…

A: Answer is explained below.  Given that, mass of NaCl = 129.0 g and mass of AgNO3 = 212.0 g.  Due to…

Q: The heat of combustion for a sample of coal is 24.0 kJ/g. What quantity of coal (in grams) must be…

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Q: A generic solid, X, has a molar mass of 61.6 g/mol. In a constant-pressure calorimeter, 18.3 g of X…

A: Heat absorbed/ released by a solution can be calculated by usingthe expression:Q = m.Cp.∆T where, m=…

Q: he specific heat of a certain type of cooking oil is 0.418 cal/(g·°C). How much heat energy is…

A: Mass of oil = 0.992 kg Initial temperature = 23 ◦C Final temperature = 60 ◦C Specific heat = 0.418…

Q: When 10.6 g NaOH dissolves in 232 g of water in a coffee-cup calorimeter, ΔH = −42.6 kJ/mol. The…

A: To calculate the final temperature of a solution of sodium chloride in water.

Q: A 140.0 g sample of water at 25.0°C is mixed with 100.0 g of a metal at 100.0°C. After thermal…

A: The change in energy of a system is given by,

Q: When 50.0 g of 0.200 M NaCl(ag) at 24.1 °C is added to 100.0 g of 0.100 M A9NO3(aq) at 24.1 °C in a…

A: Given: 0.200 M NaCl         mass  of NaCl =50. 0 gram         specific heat = 4.20 J/g C   find:…

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 198.0 mg sample…

A: Each chemical reaction is associated with the liberation or intake of a certain quantity of heat.…

Q: A scientist is attempting to determine the specific heat capacity of a newly discovered metal. To do…

A: We have to calculate the specific heat of metal.

Q: 5.04 x 10-3 mole of a compound is added to 41.0 g of water in a styrofoam cup and stirred until it…

A: Given,Mass of water = 41.0g.Temperature change = 23.4600C – 23.4200C…

Q: If 325 g of water at 4.2C absorbs 12.28 kJ, what is the final temperature of the water? The specific…

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Q: metal X =48.1g; specific heat capacity =0.228 J/C If metal X is heated to 95.1C and put into a…

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Q: How many joules of energy would be required to raise the temperature of 3.2 grams of mercury  4.2ºC?…

A:

Q: 112. The thermochemical equation for the combustion of methanol is CH3OH (g) + 3/2 O2(g) → CO2(g)…

A: The chemical reaction of the combustion of methanol is CH3OH (g) + 3/2 O2(g) → CO2(g) + 2 H2O(l) ΔH…

Q: If 0.067 mol of hydrochloric acid  (HCl)  is mixed with 0.067 mol of sodium hydroxide  (NaOH)  in a…

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Q: 11. A piece of unknown solid substance weighs 437.2 g, and requires 8460 J to increase its…

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Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.19 kg sample…

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Q: In an experiment, 30.0 g of metal is heated to 98.0°C and then quickly transferred to 50.0 g of…

A: m(water)=50.0g T(water)=27.0oC C(water)=4.184J/goCm(metal)=30.0gT(metal)=98.0oC C(metal) = to be…

Q: The initial temperature of a 415 g sample of iron is 10.6 °C. If the sample absorbs 2.64 kJ of…

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Q: The specific heat capacity of a particular type of pasta is 1.8 Jg·◦C. Suppose you toss 340 grams of…

A: A numerical problem based on heat energy released, which is to be accomplished.

Q: A piece of silver of mass 363 g has a heat capacity of 85.7 J/°C. What is the specific heat of the…

A: Given: The mass of silver piece, (m)=363 g. The heat capacity of silver, (C)=85.7 J/0C

Q: A piece of molybdenum metal whose mass is 6.87 g is heated to 100.0 °C and then dropped into an ice…

A: The molar heat capacity is the amount of heat required to increase the temperature of one gram…

Q: When 6.54 grams of Zn is placed in 500.0 mL of 1.00 M CuSO4(aq) in a coffee cup calorimeter, it…

A: Given data,Mass of Zn=6.54gMolarity of CuSO4=1.00MVolume of CuSO4=500mL=0.5LTemperature…

Q: 5. A piece of copper metal of mass 6.5 kg is heated from 20.5ºC to 324.3°C. Calculate the heat…

A: The amount of heat absorbed by the piece of metal can be calculated as follows:

Q: How many calories of energy would be required to heat 120.0 grams of pure silicon dioxide (glass)…

A: Weight of pure silicon dioxide (w) = 120.0 gmInitial temperature (T1) = 23.50°C Final temperature…

Q: The specific heat capacity of copper is 0.384 J/g⋅°C. What is the molar specific heat capacity of…

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Q: The temperature of a sample of aluminum increased by 23.4 °C when 261 J of heat was applied. What is…

A: The objective of this question is to find the mass of the aluminum sample using the given heat…

Q: How much heat, in joules, must be added to a 5.00 × 102-g iron skillet to increase its temperature…

A: The heat is given by: q = m × c × ∆Tq = heatm = massc = specific heat∆T = change in temperature

Q: A sample of aluminum, initially at 5.0 °C, was placed in 18.0 g of water, initially at 25.0 °C. The…

A: We have given that  A sample of aluminum, initially at 5.0 °C, was placed in 18.0 g of water,…

Q: When a sample of titanium was supplied 1.00 kJ of energy, the temperature rose 103.5 °C. If the…

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Q: How much heat is absorbed by 80.0 g of iron (Fe) when its temperature is raised from 250C to 5000C?…

A: Given: The specific heat of iron = 0.444J/g.oC Mass of iron = 80.0 g Rise in temperature = (500 -…