What is the heat of solution for compound X

Q: Consider samples of water and of ethanol that have equal masses.  Which statement correctly…

A: Heat capacity is amount of heat require to raise the temperature of substance by one degree Celsius.

Q: The heat of combustion of octane, C8H18, can be measured in a way similar to the method you used to…

A: In case of a calorimeter we can relate the heat change of a system to the product of the mass of the…

Q: A 104 g copper sample (specific heat=0.385 J/g°C) at 100°C is added to 48 g water at 29.5°C. What is…

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Q: 4. What mass of water would absorb 7.00 × 10² cal of heat if the temperature is increased from…

A: Heat of a reaction is defined as the heat  produces or absorbed during the reaction which can be…

Q: When 15.53 grams of fictional compound X is added to water to make 344.5 grams of solution, the…

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Q: A metal object with mass of 21.6 g is heated to 97.0 °C and then transferred to an insulated…

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Q: A sample of 23.2 g of ammonium nitrate, NH¼NO3, was dissolved in 137.5 g of water in a coffee cup…

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Q: An iron bar of mass 869 g cools from 94°C to 5°C. Calculate the heat released (in kilojoules) by the…

A: Q = m . s . ∆T

Q: 2. A 35 g metal ball made up of a mixture of element X and element Y is heated up to 77°C and…

A: Solution and calculation see below

Q: A chemist dissolved an 10.8-g sample of KOH in 100.0 grams of water in a coffee cup calorimeter.…

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Q: A piece of gold (specific heat of 0.129 J/g oC) at 190 oC is placed in 165 mL of water. The initial…

A: The heat lost by the piece of gold is absorbed by water. The amount of heat absorbed by water can be…

Q: when 20 grams of salt is dissolved in 95 grams of water the temperature of the solution decreases…

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Q: How much heat must be absorbed to raise the temperature of 1.0 mole water from 0.0 °C to 25.0 °C?…

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Q: A metal object with mass of 29.0 g is heated to 97.0 °C and then transferred to an insulated…

A: Since the heat lost by metal + heat gain by water should be = 0 as no heat is lost in surroundings…

Q: A 7.37 g sample of an unknown salt (MM = 116.82 g/mol) is dissolved in 150.00 g water in a coffee…

A: Given, Mass of sample = 7.37 gMass of water = 150 g Mass of solution = 157.37 g Initial temperature…

Q: A chemist dissolved an 12.9-g12.9-g sample of KOHKOH in 100.0 grams100.0 grams of water in a coffee…

A: A.) To calculate the heat required , we would use the formula , q = m × C × dT  B.) To calculate the…

Q: A chemist dissolved an 10.2g sample of KOH in 100.0 grams of water in a coffee cup calorimeter. When…

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Q: If 2500kj of heat are added to 50.0g of water at 25.00 C what would be the final temperature of the…

A: The amount of heat absorbed or released in a chemical reaction is ; q=mc∆Tm=mass of…

Q: Carbon monoxide reacts with oxygen to form carbon dioxide by the following reaction: 2 CO(g) + O2(g)…

A: Carbon monoxide reacts with oxygen to form carbon dioxide by the following reaction:2 CO(g) + O2(g)…

Q: A solution is made by mixing 197.3 g of ethanol initially at 10.5°C with 250.0 g of water initially…

A: We know that, according to the law of conservation of heat energy, energy gained or loss by the…

Q: A 500-mL bottle of water and a 2-L bottle of water were both at room temperature. Then they were…

A: Heat gained or lost,  Q = mCPΔTFrom the above equation it is clear that the heat lost or gained…

Q: Given that 158.05 g of solution increased in temperature by 4.82 "C. how much heat was gained by the…

A: Given that: Mass of solution=158.05grams Change in temperature=4.82°C Specific heat of…

Q: 31.4-g sample of water at 290. K is mixed with 50.7 g water at 340. K. Calculate the final…

A: If you assume that no heat is lost to the surroundings, then you can say that the heat lost by the…

Q: When 30 mL of 1.0M HCl was mixed with 50 mL of 1.0 M NaOH in a coffee cup calorimeter, the…

A: Given : Concentration of NaOH = 1.0 M Concentration of HCl = 1.0 M Volume of NaOH solution = 50 mL =…

Q: A drop in water temperature is observed when 0.873 g of ammonium nitrate is added. The enthalpy…

A: Mass of ammonium nitrate = 0.873 g  Formula of ammonium nitrate = NH4NO3 dH°sol = +0.280KJ change in…

Q: During an experiment, 25 g of 0.32 M Ca(NO3)2 at 42°C is added to 103 g of 0.82 M HNO3 at 37°C in a…

A: 25 g of 0.32 M Ca(NO3)2 at 42◦ C are mixed with 103 g of 0.82 M HNO3 at 37◦ C . The increase in…

Q: When 1.75 g of CaCl2 dissolves in 125 g of water in a coffee-cup calorimeter, the temperature…

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Q: A 28.602 g sample of a metal is heated to 99.9°C in a hot water bath until thermal equilibrium is…

A: Let c be the specific heat of the metal Heat lost by the metal = mass x specific heat x temperature…

Q: Thirty grams of silicon at 80.0°C is added to 70.0mL of water at 20.0°C. Calculate the final…

A: Given: The mass of silicon = 30 g The initial temperature of silicon = 80.0 °C The volume of water =…

Q: When 0.800 grams of NaOH is dissolved in 100.0 grams of water, the temperature of the solution…

A: Given that,mass of NaOH ,ms= 0.8 gmass of water, mw = 100 gInitial temperature = T1 = 25oCFinal…

Q: A chemist dissolved an 10.8-g sample of KOH in 100.0 grams of water in a coffee cup calorimeter.…

A: Here we are required to find the enthalpy of solution of KOH in the unit of kJ/mol

Q: Calculate the amount of heat necessary to raise the temperature of 12.0 g of water from 15.4°C to…

A: Explanation Heat capacity Multiplying the mass of a specific substance with its heat capacity and…

Q: 4. The specific heat of water is quite high at 4.184 J/gC. Explain how life on this planet would be…

A: The amount of heat required to increase the temperature of the 1 g of the substance by 1 degree is…

Q: When 10.0 g KOH is dissolved in 100.0 g of water in a coffee-cup calorimeter, the temperature rises…

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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…

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Q: when 20 grams of a salt is dissolved in 95 grams of water the temperature of the solution decreases…

A: given; mass of water = 95 g temperature change = delta T = 40-30 = 10°C specific heat = 1.1 cal/g…

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: How much heat is required to raise the temperature of 1,500 g of water from 25C to 52C? The specific…

A: Given  Mass of water ( m )  = 1500 gram  specific heat of water ( s ) = 4.184 Joule/g℃  Initial…

Q: The heat of solution of a solid sample was determined using a coffee cup calorimeter that contains…

A: Given the volume of water = 250 mL  density of water = 1.00 g/mL => mass of water inside the…

Q: A dilute solution of hydrochloric acid with a mass of 606.46 g and containing 0.37376 mol of HCl was…

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Q: If 2.36 g of calcium dichloride dissolves in 84.00 g of water in a kalorimeter at a constant…

A: 2.36 g of calcium dichloride dissolves in 84.00 g of water Mass of solution = mass of CaCl2 + mass…

Q: The enthalpy change when a strong acid is neutralized by strong base is –56.1 kJ/mol.  If 12.0 mL of…

A: Given : concentration of HBr = 6 M and volume of HBr solution = 12 mL = 0.012 L…

Q: How much heat must be absorbed by 375 grams of water to raise its temperature by 25° C? Specific…

A: Given, mass = 375 g  Specific heat, c = 4.184 J/g°C  Heat = ?

Q: 8. The heat of neutralization of sulphuric acid by sodium hydroxide is -55.84 kJ/mole of water…

A: Answer is explained below.

Q: If 0.064 mol of hydrochloric acid (HCl) is mixed with 0.064 mol of sodium hydroxide (NaOH) in a…

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Q: Determine the change in enthalpy (H, in J) transferred when 8.0 g of sucrose (C12H22O11) are…

A: First of all you need to find the heat released by the water which will be equal to the heat…

Q: when 20 grams of salt is dissolved in 95 grams of water, the temperature of the solution decreases…

A: When the solute is dissolved in the solution and the amount of heat released is known as the heat of…

Q: A piece of unknown substance weighs 44.7 g and requires 2110 J to increase its temperature from 23.2…

A: Specific heat: Specific heat can be defined as quantity of heat required to raise the temperature of…

Q: Define the specific heat capacity of water. What units are used for this value? How much heat is…

A: 1. Solution - Specific heat is defined by the amount of heat needed to raise the temperature of 1…

Q: A 42.0 g sample of water at 100.00°C was placed in an insulated cup. Then 15.4 g of zinc metal at…

A: Given, A 42.0 g sample of water at 100.00°C was placed in an insulated cup. Then 15.4 g of zinc…