If 41,200 J of energy is required to raise the temperature of 120.0 g of a liquid by +73.4 °C, what is the specific heat of the solution?

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: In a constant-pressure calorimeter, 70.0 mL of 0.340 M Ba(OH), was added to 70.0 mL of 0.680 M HCI.…

A: Total volume = 70.0+70.0 mL = 140 mL Specific heat = 4.184 g/mL Mass = 4.184g/mL × 140 mL = 585.76 g…

Q: When a 5.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of…

A: We know that, ΔH = -Ccal x ΔT where Ccal is the heat capacity of the calorimeter and ΔT is the…

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: In a constant‑pressure calorimeter, 70.0 mL of 0.850 M H2SO4 was added to 70.0 mL of 0.270 M NaOH.…

A: The reaction taking place between H2SO4 and NaOH is as follows:

Q: How much heat is released when 4.50 g of methane gas is burned in a constant-pressure system?

A: Given: Mass of methane = 4.50g To find: The amount of heat released

Q: When a 7.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of…

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Q: How much heat is required to raise the temperature of 250.0 g of lead by 52 degrees C?

A: We have given that  mass of lead = m =250g ∆T = 52°C specific heat for lead = C = 0.16 J/g°C To find…

Q: A generic solid, X, has a molar mass of 84.1 g/mol.84.1 g/mol. In a constant‑pressure calorimeter,…

A: Given: The mass of solid and water is 22.3 g and 213 g, respectively. The initial and final…

Q: When a 4.00 g sample of KBr is dissolved in water in a calorimeter that has a total heat capacity of…

A: Given,4.00 g sample of KBrTotal heat capacity of 3.04 kJ K-1.The temperature decreased by 0.220…

Q: The heat of formation of H2SO4 is -909.27 kj/mol. Give the thermochemical equation for the formation…

A: Here we are required to show the formation of aqueous sulphuric acid

Q: Use the thermodynamic data in the table below to calculate how much heat in kJ is required to change…

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Q: A 37.70 g sample of a substance is initially at 28.8 °C. After absorbing 2571 J of heat, the…

A: The given problem can be solved by using the formula given below as; Q=m c ∆T…

Q: In a constant-pressure calorimeter, 50.0 mL of 0.320 M Ba(OH), was added to 50.0 mL of 0.640 M HCI.…

A: The enthalpy change of reaction is calculated with the help of the heat energy absorbed or released…

Q: 2. If a 50g sample of water at a temperature of 100°C is added to 25g sample of water at 25°C, what…

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Q: What is the sensible h

A: by addition of heat to a object its temperature rises, the increase in heat is called "sensible…

Q: In a constant-pressure calorimeter, 60.0 mL of 0.300 M Ba(OH), was added to 60.0 mL of 0.600 M HCI.…

A: The balanced reaction taking place can be written as, => 2 HCl (aq) + Ba(OH)2 (aq) --------->…

Q: If the mass of a sample of Mg is 0.500 g and is placed in 100.0 g  of HCl, the heat gained is 546.5…

A: If heat is released then q will be negative and Heat is absorbed then q will be positive. Q= mC∆T…

Q: What is the specific heat of lead if it takes 97.8 JJ to raise the temperature of a 75.1 g block by…

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Q: Dissolving 3.0g of CaCl2 in 150.0g of water in a calorimeter at 22.4oC causes the temperature to…

A: Given,  Mass of CaCl2 = 3 g  Molar mass of CaCl2 = 110.98 g/mol Mass of Water, m = 150 g  Initial…

Q: What is the specific heat of a solid that requires 124 J to raise the temperature of 95.5 g of the…

A: The given data contains, mass = 95.5 g. heat = 124 J.

Q: The enthalpy of solution of KOH is -57.6kj/mol.  If 1.11g KOH is dissolved in enough water to make…

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

Q: КОН, heat ETOH H,0(1), heat CH2 NH,(aq), heat HCN, heat ETOH KOH(aq), heat

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Q: In a constant-pressure calorimeter, 75.0 mL of 0.880 M H, SO, was added to 75.0 mlL of 0.440 M NaOH.…

A: Given :  Concentration of NaOH solution  = 0.440 M  Volume of NaOH solution = 75 ml  Concentration…

Q: What quantity of heat (in kJ) will be released if 0.3387 mol of NH3 are mixed with 0.200 mol of O₂…

A: The limiting reagent in a chemical reaction is a reactant that is totally consumed when the chemical…

Q: What is the specific heat of a 74.01g piece of an unkown metal that exhibits a 45.2 Celcius…

A:

Q: A sample of 17.1g of solid with molar mass 71.9g/mol is dissolved in 331g of water initially at…

A: Given: Mass of water= 331 g Tf= 26.8°C Ti= 22.5°C

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: In a constant-pressure calorimeter, 70.0 mL of 0.340 M Ba(OH), was added to 70.0 mL of 0.680 M HCI.…

A:

Q: In a constant-pressure calorimeter, 55.0 mL of 0.300 M Ba(OH), was added to 55.0 mL of 0.600 M HCI.…

A: Given, Ba(OH)2 taking part in reaction = 55.0 mL of 0.300 M HCl taking part in reaction = 55.0 mL of…

Q: When a 7.00 g sample of KCl is dissolved in water in a calorimeter that has a total heat capacity of…

A:

Q: What is the mass (in g) of a sample of diamond (specific heat = 0.502 J/(g K) which evolve (-8.96)…

A: We know, heat evolved, Q = ms(Tfinal - Tinitial)

Q: How much heat is required to raise the temperature of 854 g of H2O from 23.5 °C to 85.0 °C?

A: 4.  Given :  Mass of H2O = 854 g  Initial temperature = 23.5 °C  Final temperature = 85.0 °C  To…

Q: To warm 400.0 g of H2O, 0.050 mol of ethanol (C2H5OH) is burned. The water warms from 24.6°C to…

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

Q: The enthalpy for the formation of 1 mole of NH3(aq)NH3(aq) is -80.29 kJ/molkJ/mol. What is the…

A: The standard molar enthalpy of formation is defined as the standard change in enthalpy for the…

Q: What is the heat capacity of 185 g of liquid water?

A: The expression to calculate heat capacity of water is given below in which c is the specific heat of…

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: Heat released by the reaction, qrxn (J) Use the equation qrxn = –msoln×Csoln× ΔTsoln. Assume the…

A: Given,  Initial temperature = Ti = 25.00 °C  Final temperature = Tf = 31.37 °C  Change in…

Q: A 80.8 g chunk of granite (specific heat: 0.79 J/g°C) is heated to 225.7 °C and dropped into a…

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Q: NO3KNO3 is dissolved in 229 g of water at 23.00 °C.   KNO3(s)−→−−H2OK+(aq)+NO−3(aq)   The…

A:

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

A: Given: Specific Heat of methanol(c)=2.51J/K-g Mass of methanol(m)=94 g Initial…

Q: How much heat is required to raise the temperature of a 825 g block of wood (specific heat = 1.8 %3D…

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

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: 30.0 g of a substance (molar mass: 46 g/mol) required 262 J of heat to raise its temperature from…

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Q: A system absorbs 1.54E2 kJ of heat and the surroundings do 1.118E2 kJ of work on the system. What is…

A: 2.618E2 = 2.618 * 10^2 kJ

Q: 2. When 15 g of oil at25.0°C is placed in a wok, 2.18 kJ of he it to a temperature of 101°C. What is…

A: The required formula is  Q = m S ∆T  Where  Q = amount of heat = 2.18 KJ  = 2180 J m = mass of…

Q: The enthalpy of solution (∆H) of KOH is -57.6 kJ/mol. If 3.21 g KOH is dissolved in enough water to…

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Q: 1.15 g of LiCl (42.39 g/mol) is dissolved in 25.0 g H2O in a constant-pressure calorimeter and the…

A: Given that 1.15 g LiCl was dissolved in 25.0 g water. Number of moles can be calculated from the…

Q: Cold packs (like the kind used by athletes to treat sprains and other minor injuries) rely on the…

A: