Using the molar heat of solution provided in the question above: determine how many g solid sodium hydroxide you must add to 500. mL of water at 18.2 degrees Celsius in order to change the water temperature to 33.8 degrees Celsius.

Q: A student performed this experiment by mixing 50.0 mL of 2.0 M NaOH solution with 50.0 mL of 2.0  M…

A: Given: Concentration of NaOH reacting = 2.0 M Volume of NaOH solution = 50.0 mL = 0.050 L…

Q: Piece of metal with a mass of 48.342 g at an initial temp of 108 C is placed into 50 g of water…

A: Given, mass of metal =48.342 graminitial temperature of metal =108 °Cmass of water =50 graminitial…

Q: 3. When 2.0 g of NaOH are dissolved in 49.0 g of water, the temperature increased 10.5°C What is the…

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Q: If 41,200 J of energy is required to raise the temperature of 120.0 g of a liquid by +73.4 °C, what…

A: In this question, we will determine the specific heat of the Solution.  You can see details step by…

Q: Calculate the kinetic energy, in J/mol, of 1.00 mol of gaseous water molecules at the boiling point…

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Q: 3.15 mol of an unknown solid is placed into enough water to make 150.0 mL of solution. The…

A: Given: Moles of solid = 3.15 mol. Volume of solution = 150.0 mL  Density of solution = 1.20 g/mol.…

Q: a coffee cup calorimeter, 44.0 mL of 0.11 M nitric acid (HNO,) and 44.0 mL of 0.11 M potassium…

A: The enthalpy of neutralization  in a coffee cup calorimeter is calculated using the following…

Q: How many kilojoules of heat are released when 38.7 g of CH4 (g) reacts completely with O2(g) to form…

A: Mass of CH4= 38.7 g

Q: Don't provide handwritten sollution ...   A metal sample weighing 43.5 g and at a temperature of…

A: Metal have temperature 100.0 oC and water in calorimeter temperature is 25.1 oC. So when metal…

Q: a students dehydration experiment with the hydrate of copper (ii) sulfate yielded a blue sample…

A: On the heating of copper (II) sulfate , it breaks down to form a white powder of anhydrous copper…

Q: 3.15 mol of an unknown solid is placed into enough water to make 150.0 mL of solution. The…

A: Given moles (n) = 3.15 volume = 150 ml Temperature difference = 20.11°C specific heat (C) = 4.184…

Q: 3.15 mol of an unknown solid is placed into enough water to make 150.0 mL of solution. The…

A: We have given 3.15 mol of an unknown solid is placed into enough water to make 150.0 mL of solution…

Q: What would be the final temperature if 55.0g of H2O at 30 degrees Celsius is added to 45.0g of H2O…

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Q: Determine the heat released or abosorbed in J during the dissolving process when calcium chloride…

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Q: The molar enthalpy of solution is the amount of heat absorbed or released when a mole of that…

A: Answer: This question is based on energy conservation where heat released during dissolution of a…

Q: Consider a substance with a heat of solution (AHon) of -16.7 kJ/mol. 0.00100 mol of this substance…

A: The amount of heat released on dissolution of one mole of the solute in water is equal to 16700 J…

Q: 3.15 mol of an unknown solid is placed into enough water to make 150.0 mL of solution. The…

A: CONCEPT

Q: Question 7 of 11 In a constant-pressure calorimeter, 50.0 mL of 0.300 M Ba(OH), was added to 50.0 mL…

A: First determine the heat released due to reaction and then determine the ∆H due to per mole H2O.

Q: how much heat is released when a 27.7g sample of ethylene glycol at 42.76 is cooled to 32.5 c?

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Q: What quantity of heat (in kJ) will be released if 0.5649 mol of NH, are mixed with 0.200 mol of O,…

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Q: Why is their a decrease in temperature when NaCl is added to a  calorimeter filled with water?

A: When an electrolyte is added to a solvent then  solute-solvent interactions prevent the solvent from…

Q: 3.15 mol of an unknown solid is placed into enough water to make 150.0 mL of solution. The…

A: The question is based on the concept of chemical thermodynamics. whatever heat produced during…

Q: When one mole of C6H6C6⁢H6 is burned, 3.27 MJ3.27 MJ of heat is produced. When the heat from burning…

A: From the given in the question, The number of moles of C6H6 is given by = 1 mole The heat released…

Q: 3.15 mol of an unknown solid is placed into enough water to make 150.0 mL of solution. The…

A: To calculate the mass of solution  q = ∆H = mC∆T q = ∆H = heat = ? m = mass = 150.0 ml x 1.20 g/ml =…

Q: When 5.6 grams of KOH solid is added to 100 grams of water at 30 ° C and completely dissolved, the…

A: Given,  Mass of KOH= 5.6 grams Mass of water = 100 grams Initial temperature of water= 30 °C Final…

Q: Write the thermochemical equation for the following reaction that occur at constant pressure. 1.)…

A: The representation of a chemical equation along with its thermodynamic property i.e. enthalpy change…

Q: 300mL of a 2.500 M solution X was mixed with 300.0 mL of a 2.500 M solution Y in a calorimeter. Both…

A: Given that,  Volume of 0.2500 M X solution  = 300 mL Volume of 0.2500 M Y solution = 300 mL Total…

Q: If 80.5 g of KBr are dissolved in 400.0 g of water at 25.0 °C in an insulated container, a…

A: The amount of KBr dissolved is = 80.5 g The heat of the solution of KBr is = 19.9 kJ/mol The mass of…

Q: A cold pack contains 134.4 g of water and 40.7 g of ammonium nitrate. What will be the final…

A: The formula which is used in the solution is shown below. Q = mcΔT ⇒ ΔT = Q/mc

Q: In part 1 of this lab, you will be calculating A,H by conducting constant-pressure calorimetry…

A: In the given question we have to use the heat of the reaction to calculate the temperature…

Q: a piece of iron is heated to 95.0 C and then placed in an insulated vessel containing 250. g of…

A: The objective of this question is to find the mass of the iron piece using the principle of…

Q: How do I calculate enthalpy of state changes?

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Q: how many calories are required to raise the temperature of 255g of water from 42c to 75c?

A: