Calculate the energy change (with the correct sign) when the temperature of 100.0 ml. of liquid water increases by 360 °C. energy change- Calculate the mass of NaCH, CO0 needed to release the same amount of energy when dissolved in water AHat(NaCH, C0) 2-989.5 1/mol. mass

Q: Assume that 100.0 mL of 0.200 M NAOH and 50.0 mL of 0.400 M HCl are mixed in a calorimeter. The…

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Q: Suppose that 4.92 grams of X (MW = 35.78) are dissolved in 647 mL of water, and the water…

A: Volume of water = 647 mL Density of water = 1.0 g/mL Hence, mass of water M = (1.0 g/mL) × (647 mL)…

Q: A dilute solution of hydrochloric acid with a mass of 608.62 g and containing 0.38547 mol of HCl was…

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Q: Reaction 1 Reaction 2 ENTHALPY OF REACTION for THREE REACTIONS 1. Mass of solid NaOH(g) 2.035 2.…

A: Your calculation for change in temperature, ∆T (oC) is not right. So let's start calculation from…

Q: When 2.35g Mg(OH)2 is added to 250.0 mL of water, the temperature of the water raises from 20.5°C to…

A: Solution A standard molar reaction H, ΔrH∘ , is that the same because the molar integral reaction H…

Q: 1. To 50.0 g of water at 25.00°C in a calorimeter was added 5.00 g of solid sodium nitrate, also at…

A: Given: Mass of water = 50.0 g. Initial temperature of water = 25.00 oC Mass of NaNO3 = 5.00 g. Heat…

Q: Suppose that 2.62 grams of X (MW = 38.76) %3D are dissolved in 532 mL of water, and the water…

A: The answer to the following question is-

Q: A calorimeter of mass 125 g contains 130 g of water at 20 ᵒC. A 6.1-g mass of steam at 100 ᵒC is…

A: Given : Mass of calorimeter = 125 g Mass of cold water = 130 g Initial temperature of cold water and…

Q: 49,936.64 J of energy are released when 0.015475 mol C6H5COOH react. 5: What is the enthalpy of…

A: Given: Heat of reaction = -49,936.64 J Moles of benzoic acid = 0.015475 mol

Q: A dilute solution of hydrochloric acid with a mass of 606.87 g and containing 0.31625 mol of HCl was…

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Q: Dissolving 3.0 g of CaCl2(s) in 150.0 g of water in a calorimeter (as shown) at 22.4 °C causes the…

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Q: Charlotte needs to determine the heat of dissolution of CaCl2 (MM = 110.98 g/mol). In a calorimeter…

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Q: Suppose that 2.25 grams of X (MW 20.5) are dissolved in 602 mL of water, and the water %3D…

A: q = cm∆T q = heat released or supplied  ∆T = t2 - t1 c = specific heat capacity m = mass of…

Q: What is the Enthalpy change (in kJ) of a chemical reaction that raises the temperature of 250.0 mL…

A: Given : volume of solution = 250.0 mL density of solution = 1.25 g/mL and increase in temperature =…

Q: 2. When 2.00 g of hydrazine (H,N2) decompose into 1.33 equivalents of NH3(8) and 1 equivalent of…

A: When 2.00 g of hydrazine N2H4 decompose into 1.33 equivalents of NH3(g) and 1 equivalent of N2(g) at…

Q: Assume that 100.0 mL of 0.200 M NaOH and 50.0 mL of 0.400 M HCl are mixed in a calorimeter. The…

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Q: 1. When comparing 1 mol CO2 (s) or 1 mol CO2(g) at the same temperature, the one with the higher…

A: Enthalpy of system is the heat contained in the system. It includes internal energy of system as…

Q: 1. Determine the amount of energy released when 93.6 g of liquid butane, C,H10(1 combusted.…

A: The given data: The mass of liquid butane = 93.6 g The enthalpy of formation of the given species is…

Q: SO₂(g) + Cl₂(g) = SO₂Cl₂(g) AH = -264 kJ K = 34.5 When the reaction is altered, as below, what is…

A: Energy released per unit mole will remain the same but ∆H° overall will be alerted when…

Q: 1. What is the enthalpy change, AH in kJ, for the following reaction? 2MGCI215) + Sis) à 2Mgs) +…

A: Recall the given reactions Sis + 2Cl2g → SiCl4l      ......(1)   ,∆H=-687 kJMgs + Cl2g→MgCl2s  ,…

Q: A dilute solution of hydrochloric acid with a mass of 608.62 g and containing 0.38547 mol of HCl was…

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Q: A 4.348 g sample of NaOH(s) is dissolved in 100 g of water in a calorimeter making 104.348 g of…

A: Given data as Mass of NaOH=4.348 g Mass of solution (m)=100g ∆T=(Tf-Ti)     =(47.4-23.6)      =23.8…

Q: The same student wanted to determine the heat of dissolution for potassium chlorate (KClO3, MW:…

A: The mass of KNO3 and water are given to be 10 g and 250 g respectively. The specific heat capacity…

Q: Using the following reactions, calculate the enthalpy change for: 10 POCI3 (g) P4010 (s) + 6 PCI5…

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Q: pies of reactions are the same in the forward direct tions A and B add up to a reaction C, sum of…

A: According to Hess's law,  Enthalpy of a reaction remains constant whether it completes in single…

Q: 2. When 1.0 g of sodium nitrate was dissolved in 50.0 g of water in a calorimeter at 20.0°C, the…

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Q: For the chemical reaction Ca (s) + ½ O2 (g) → CaO (s) AH° = -635 kJ/mol. %3D What is the enthalpy…

A: ⊙ Enthalpy is an additive in nature.Ca(s)+12O2(g)→CaO(s), △H°=-635 kJ/mol—Iwe need to find enthalpy…

Q: Assume that 100.0 mL of 0.200 M NaOH and 50.0 mL of 0.400 M HCl are mixed in a calorimeter. The…

A: Given :-  Volume of HCl = 50.0 mL = 0.0500 L  Molarity of HCl = 0.400 M = 0.400 mol/L  Volume of…

Q: When 2.00 g of Ba(s) is added to 25.00g of water in a container open to the atmosphere, the reaction…

A: Moles of Ba taken = mass / Atomic mass = 2 / 137.3 = 0.0146 approx And moles of water = mass / molar…

Q: Using the equations N2 (g) + 3 H2 (g) → 2 NH3 (g)AH° = -91.8 kJ/mol C(s) + 2 H2 (g) → CH4 (g) AH° =…

A: We have to calculate the ∆H∘ for the reaction CH4(g) + NH3(g) → HCN(g) + 3H2(g).

Q: Question is attached

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: A total of 2.00 molmol of a compound is allowed to react with water in a foam coffee cup and the…

A: the enthalpy of reaction (ΔHrxn) is the difference in enthalpy between products and reactants

Q: Calculate the specific heat of solution in Joules for dissolving 8.00 g of NH4NO3 in 100mL water by…

A: find:      Calculation of qsol for 8g of NH4NO3in 100mL of water.  given: qsol+qwater+qcal =0…

Q: 1.00 L of 1.00 M Ba(NO3)2 with mixed 1.00 L of 1.00 M Na2SO4, both at 25.0C in a calorimeter. The…

A: Balanced chemical equation: Ba(NO3)2 (aq) + Na2SO4 (aq) ------> 2NaNO3 (aq) + BaSO4 (s) Q  = m .…

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: Suppose that 1.73 grams of X (MW 35.05) are dissolved in 639 mL of water, and the water temperature…

A: The heat energy released or absorbed is given by following formula - Q = m C ∆T Here - Q = heat…

Q: What is the heat, q, when 25.0g of acetonitrile (CH3CN) reacts completely with excess water? Molar…

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Q: A 0.500 g sample of the explosive TNT (C,H&N3O6) is completely burned in a bomb calorimeter…

A: Since you have posted a question with multiple sub-parts we will solve the first three for you. To…

Q: Do the following with your experimental data. 1 Calculate the amount of heat absorbed by the water.…

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Q: g/mol 2. When 4.98 g of NaOH was dissolved in 49.72 g of water in a calorimeter at 23.7°C, the…

A: Question 2 :- When a 4.98 g of NaOH was dissolved in 49.72 g of water in a calorimeter at 23.7°C…

Q: 11. When a 1.0 g of material X (molar mass = 40 g/mol) was dissolved in beaker containing 50.0 g of…

A: Given: Mass of X = 1 g Molar mass of X = 40 g/mol

Q: Question 4

A: Given:Volume of NaOH = 100 mlMolarity of NaOH = 0.500 MKc, is 55.0 J/CTemperature goes from 11.0C to…

Q: Heat produced from HCl-NaOH reaction (J) assume the heat capacity of 1 M NaCl is 3.93 5681.94…

A: Balanced chemical reaction is given by, HCl+NaOH→NaCl+H2O

Q: In a coffee cup calorimeter, 50.0 mL of 1.00 M NaOH and 50.0 rnL of 1.00 M HCI are mixed. Both…

A: Heat = Q = mass X specific heat x change in temperatureAlso ,Energy given by the reaction = -Energy…

Q: Using the AH -50 kJ/mmol, calculate the enthalpy change if you neutralized six moles of HCl with an…

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Q: When 3.50 g of sodium hydroxide (NaOH) was dissolved in 50.00 g of water a value of 9.50oC was…

A: Given: mass of sodium hydroxide = 3.50 g Molar mass of sodium hydroxide = 40 g/mol Change in…

Q: Question 3

A: Given,Mass of barium chloride = 25gMass of water = 75gCalorimeter constant = 120J/degree Celsius.

Q: 4.71 g of M9SO4 is placed into 100.0 mL of water. The water's temperature increases by 6.70°C.…

A: Since the temperature of water is increased, heat is released by the dissolution reaction of…

Q: What is the specific heat of 85,885.86 mL of a substance, that has a recorded temperature of 429.2…

A: Given: The volume and density of the unknown substance, hence, mass of unknown can be solved as -…