If 50.0g of benzene, C6H6, at 25.0c absorbs 2.71kJ of energy in the form of heat, what is the final temperature of benzene? The specific heat of benzene is 1.72J/gOc

Q: If 50.0 g of water at 25.0 °C absorbs 14.5 kJ of heat, what is the final temperature of the water?…

A: Given  q = 14.5 kJ = 14500 J C = 4.184 J/g.°C Ti = 25°C Tf = ?

Q: If the specific heat of methanol is 2.51 J/K-g, how many joules are necessary to raise the…

A: Given, mass of methanol = 94 g C= 2.51 J/K g Tf = 79°C = 273+79 = 352 K Ti = 26°C = 273 + 26 = 299 K…

Q: 1. If a 100-kg sample of aluminum at 25.0 °C is heated with 500 kJ of heat energy, what will be the…

A: The heat absorbed by the aluminium is given by: where m= mass of metal = 100 kgIni q= total heat…

Q: If 1495 J of heat is needed to raise the temperature of a 375 g sample of a metal from 55.0°C to…

A: Heat taken of given = m.s.∆T

Q: A 25.0 mL sample of benzene at 19.9 0 C was cooled to its melting point, 5.5 0 C, and then frozen.…

A: Since the heat involved in the process of cooling and freezing a solution is given by  Cooling =>…

Q: Consider the following thermochemical equation for the combustion of acetone, C3H6OC3H6O, the main…

A: The given reaction, C3H6O(l) + 4O2(g)→3CO2(g) + 3H2O(g) Volume of acetone = 183 mL Density of…

Q: 3. When a 58.8 g piece of hot alloy is placed in 125 g of cold water (C = 4.184 J/g-°C) in a…

A: Given data,  Mass of hot alloy(ma) = 58.8 g  Mass of cold water (mw) = 125 g  The temperature change…

Q: A sample of aluminum metal absorbs 9.86 J of heat, upon which the temperature of the sample…

A: Using the following equation, the mass of the metal is calculated.

Q: Question attached

A: Given, The combustion reaction of Acetone- C3H6O + 4 O2 → 3 CO2 + 3 H2O  The energy of the above…

Q: When 18.0 mL of water at 11.0 C is combined with 20.0 mL of water at 55.0 C, what is the final…

A: Given : Volume of cold water = 18.0 mL Initial temperature of cold water = 11.0 oC Volume of hot…

Q: If 1495 J of heat is needed to raise the temperature of a 317 g sample of a metal from 55.0°C to…

A: The specific heat capacity is given as,

Q: If 2.0 KJ of heat energy raises the temperature of a calorimeter containing 45.0 g of water from…

A: Given data: Q = 2000 J , ∆T = 9 , m = 45 × 10^-3 kg

Q: You wish to heat water to make coffee. How much heat (in joules) must be used to raise the…

A: We have to apply formula Q=mc∆T Here Q is the heat needed to raise temperature c is specific heat m…

Q: How many kilojoules of heat are released when 38.2 g of CH4 (g) reacts completely with O2 (g) to…

A: mass of CH4 = 38.2 g Chemical reaction - 2CH3OH → 2CH4 + O2                H = +252.8 kJ

Q: How much heat (q) is needed to increased the temperature of 10 grams of water by 15°C? Water…

A: Given: The heat capacity of water, (C) = 4.184 J/g°C The mass of water, (m) = 10 g. The change in…

Q: How much energy is needed to raise the temperature of 325g of water by 10.0 degrees? The specific…

A: Given  Mass of water = 325 g = m  Specific Heat of water = 4.184 J/g°C ∆T = 10 °C

Q: Suppose that 3,248 J of heat is removed from 86.5 grams of octane at an initial temperature of…

A: Since the heat of any process at constant pressure is given by  Q = mCΔT  where Q = heat given =…

Q: A 31.74-g lead (Pb) sample at 71.58°C is placed in a constant-pressure calorimeter of negligible…

A: Given, A 31.74-g lead (Pb) sample at 71.58°C is placed in a constant-pressure calorimeter of…

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: An 6.11 g sample of calcium carbonate [CaCO 3 (S)] absorbs 84J of heat, upon which the temperature…

A:

Q: QUestion attached

A: The heat required is given by, q= m.C.∆T where q is the heat needed, m is the mass, C is the…

Q: When 34.0 g of water at 24.0 °C are mixed with 46.0 g of water at 67.0 °C, what is the final…

A: Suppose the temperature of the final solution is X. When two such solutions are mixed where one…

Q: 1. In an experiment to determine the Specific Heat of Nickel, a 66.0 g sample of Nickel metal is…

A: Answer :-  The specific heat of Nickel determined by the experiment = 0.544 J/g.°C…

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?…

A:

Q: 5. Phosphorus trichloride, PCI3, is a compound used in the manufacture of pesticides and gasoline…

A: The relationship between heat energy , mass of substance and change in temperature is  Q = mC∆T  Q =…

Q: According to the following thermochemical equation, if 1.902 kg of NO2 is produced, how much heat is…

A: The thermochemical equation given as, => 2 NO (g) + O2 (g) ---> 2 NO2 (g)…

Q: 9. What would be the final temperature if 8.94 x 103 joules of heat were added to 454 grams of…

A:

Q: 79.8 grams of a metal that is at temperature 92.39 oC is placed in 186.3 mL of water at 19.79 oC.…

A: Here use thermal equilibrium concept. Here final temperature is 24.68 degree celcius, So metal…

Q: 61. Consider the thermochemical equation for the combustion of acetone (C3H,O), the main ingredient…

A:

Q: What is the specific heat (c) of a metal if the temperature of a 15.5g sample increases from 29.5℃…

A: The amount of heat required to increase the temperature of one kilo gram of a substance by one…

Q: An unknown hot metal at 146.5°C with a mass of 49.43g was mixed with 36.8g of water at an initial…

A: specific heat is defined as the quantity of heat required to raise the temperature of one gram of a…

Q: If the specific heat of methanol is 2.51 J/K-g, how many joules are necessary to raise the…

A:

Q: How much energy is needed to raise the temperature of 325g of water by 10.0 degrees? The specific…

A: Thermodynamics is branch of chemistry in which we deal with heat of reaction.

Q: Titanium reacts with iodine to form titanium(III) iodide, emitting heat:2 Ti(s) + 3 I2(g)…

A: From the given chemical equation and data it is clear that  839 KJ energy is released from two moles…

Q: When 10.99 g KOH is dissolved in 101.9 g of water in a coffee-cup calorimeter, the temperature rises…

A: When definite amount of substance in any reaction transforms into products, release or absorption of…

Q: If 87 J of heat are added to a balloon, causing it to expand from 1.0 L to 1.4 L under 0.97 atm of…

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Q: CH4 + 202 → CO₂ + 2H₂O AH-890kJ/mol How much heat is released when 2.7 g of methane gas is burned in…

A: Here we are required to find heat released when 2.7 gm of methane is burnt

Q: What will the final temperature be if a 5.00-g silver ring at 37.0℃ gives off 25.0 J of heat to its…

A:

Q: What is the resulting temperature in celsius when 35 g of water at 75 degrees celsius is mixed with…

A: Given, 35 g of water at 75 degrees celsius is mixed with 15 g of waterat 15 degrees celsius.The…

Q: A new substance evolves (-1.64) kJ of heat when 17.15 g it cools from 106.2oC to 23.8oC. What is the…

A: Given :-  Heat (q) = -1.64 kJ  mass of substance = 17.15 g  Initial temperature = 106.2 °C  Final…

Q: A piece of al rises from 12°C to 267°C when 271 J of heat are applied What is the mass of the…

A: Initial temperature of Aluminum (Al) = T1 = 21°C Final temperature of Aluminum (Al) = T2 = 267°C…

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: A 384.7 g sample of gold experiences a temperature change of +10.82 °C while absorbing 635.6 joules…

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Q: When 14.0 mL of water at 28.0 C is combined with 19.0 mL of water at 79.0 C, what is the final…

A: Given, 14.0 mL of water at 28.0 C and 19.0 mL of water at 79.0 C are mixed  specific heat of water…

Q: 31.  When a 0.740-g sample of trinitrotoluene (TNT), C7H5N2O6, is burned in a bomb calorimeter, the…

A: Given: Mass of TNT, m = 0.740 g Initial temperature, Tinitial = 23.4oC Final temperature, Tfinal =…

Q: A gas expands and does 25.6 J of work on the surroundings. At the same time, the gas absorbs 89.6 J…

A: Solution W = 25.6J Since work is done by the system on the surrounding q = 89.6J Heat absorbed that…

Q: Combustion of hexane, c6h12, to carbon dioxide gas and water, releases 3923.9 KJ of heat. What is…

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Q: When a metal object is dropped into cold water, it releases 4,715 J of energy to its surroundings,…

A:

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 -…