When 4.51 g of a solid mixture composed of NH¼CI and CaCI2 was dissolved in 100.0 mL of water, the temperature of the water rose by 4.48°C. How many grams of each substance was in the mixture? Include the mass of salts in calculation of heat generated.

Q: The oxidation of the sugar glucose, C6H12O6, is described by the following equation: C6H12O6 (s) +…

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Q: A metal object with a mass of 19.2 g is heated to 96 °C and then transferred to a calorimeter…

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Q: An experiment is carried out where 10.9 g of solid NaOH is dissolved in 230.0 g of water in a…

A: Here solid NaOH is the solute and water is the solvent. Given the mass of solute, NaOH(s) dissolved…

Q: When 25 mL of chemical A and 25 mL of chemical B were mixed in a calorimeter the following reaction…

A: Solution :          Heat is the thermal energy that is required to raise the temperature of the…

Q: When 50.0 mL of 1.20 M of HCl(aq) is combined with 50.0 mL of 1.30 M of NaOH(aq) in a coffee-cup…

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Q: A piece of silver of mass 362g has a heat capacity of 85.7 J/degrees Celsius. What is the specific…

A: Specific heat capacity is defined as the amount of heat required to change the temperature of 1 gram…

Q: When 2.00 moles HCl(aq) and 0.500 moles of NaOH(aq) react, the heat released by the reaction is…

A: Given,  2.00 moles HCl(aq) and 0.500 moles of NaOH(aq) react. The chemical reaction,  HCl(aq) +…

Q: How much heat (in kJ) is needed to raise the temperature of 100.0 grams of water by 25.0 °C?  The…

A: Mass of water(m) = 100 gm  specific heat capacity of water(s) = 4.184 J/g·°C  Increase in…

Q: A 140.0-g sample of water at 25.0°C is mixed with 111.7 g of a certain metal at 100.0°C. After…

A: Specific heat capacity is the amount of heat that is required to rise a temperature of 1 kg…

Q: When 5.40 g of a solid mixture composed of NH4Cl and CaCl2 was dissolved in 100.0 mL of water, the…

A: Given Mass of NH4Cl = 1.78 g Mass of CaCl2 = 3.26 g

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 enthalpy changes when a strong acid is neutralized by strong base is –56.1 kJ/mol. If 135 mL of…

A: Given, Enthalpy change when strong acid is neutralised by strong base = -56.1 KJ/mol Volume of HI =…

Q: Consider the reaction: C,H,OH) + 30, (g) →2CO,(g)+3H,01), AH = -1.37 x 10° kJ When a 21.1-g sample…

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Q: When 4.88 g of a solid mixture composed of NH¼CI and CaCl2 was dissolved in 100.0 mL of water, the…

A: Given that : The mass of the solid mixture = 4.88 g The volume of water = 100.0 mL The rise in…

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: 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: A sample of nickel is heated to 99.8°C and placed in a coffee-cup calorimeter containing 150.0 g…

A: The equation used to calculate heat released or absorbed follows:        ......(1) where, q = heat…

Q: The highly exothermic thermite reaction, in which aluminum reduces iron(III) oxide to elemental…

A: Exothermic reaction: In term of thermodynamics, the exothermic reaction describes a process in which…

Q: When 4.81 g of a solid mixture composed of NH4CI and Cačl2 was dissolved in 100.0 mL of water, the…

A: Please find your solution below :

Q: When 4.88 g of a solid mixture composed of NH4CI and CaC2 was dissolved in 100.0 mL of water, the…

A: When another component is added to a liquid (a solvent), the boiling point of the liquid (a solvent)…

Q: When 5.69 g of a solid mixture composed of NH4Cl and CaCl2 was dissolved in 100.0 mL of water, the…

A: Given that

Q: 1. When 0.243 g of Mg metal is combined with enough HCl to make 100 mL of solution in a…

A: Given that , Mass of Mg metal =0.243g Intial temperature T1= 23.0°C Final temperature T2= 34.1°C…

Q: A piece of iron (mass = 25.0 g) at 398 K is placed in a styrofoam coffee cup containing 25.0 mL of…

A: Given,Mass of iron (m1) = 25 gInitial temperature of iron (Ti) = 398 KSpecific heat capacity of iron…

Q: The addition of 3.15 g of Ba(OH)₂ 8H₂O to a solution of 1.52 g of NH SCN in 100 g of water in a…

A:

Q: A 50.0 mL solution of 1.2 M HCl at 24.1oC is mixed with 50.0 mL of 1.3 M NaOH, also at 24.1oC, in a…

A: HCl = 50.0 mL x 1.2 M = 60 mmol = 0.060 mol NaOH = 50.0 m X 1.3 M = 65 mmol = 0.065 mol here HCl and…

Q: When 13.99mL of HCl of unknown concentration (but less than that of the base) are reacted with…

A: Given : Concentration of NaOH = 3.172 M Volume of NaOH solution = 15.00 mL = 0.0150 L…

Q: When 5.28 g of a solid mixture composed of NH4Cl and CaCl2 was dissolved in 100.0 mL of water, the…

A: Given: 5.28 g of a solid mixture composed of NH4Cl and CaCl2 was dissolved in 100.0 mL of water, the…

Q: A 1.110-g sample of benzoic acid (HC7H5O2; molar mass = 122.12 g/mol) is burned in an excess of…

A: This problem can be solved by using the equation :                             q=mc∆Twhere q is the…

Q: When 5.70 g of a solid mixture composed of NH4CI and CaCl2 was dissolved in 100.0 mL of water, the…

A:

Q: An experiment is carried out where 12.2g of NaOH is dissolved in 240.0g of water in a coffee cup…

A: The experiment is the measurement of heat of dissolution of NaOH.

Q: The amount of energy required to raise the temperature of a substance by 1 K (1 °C) is its heat…

A: We have to conclude what is the term called in chemical thermodynamics when 1g of substance is…

Q: hen a 8.00 g sample of KCN is dissolved in water in a calorimeter that has a total heat capacity of…

A: The molar heat of the solution tells about the energy released or absorbed for every mole of a…

Q: In an experiment, 2 grams of zinc and 150 mL aq CuSO4 were made to react, then as observed, the…

A: Given: Mass of zinc reacting = 2 g Volume of CuSO4 solution = 150 mL Initial temperature of solution…

Q: When 5.54 g of a solid mixture composed of NH.Cl and CaCl2 was dissolved in 100.0 mL of water, the…

A:

Q: 27. The addition of 3.15 g of Ba(OH)2·8H2O to a solution of 1.52 g of NH4SCN in 100 g of water in a…

A: The balanced reaction for the reaction between Ba(OH)2.8H2O with NH4SCN in aqueous solution.…

Q: When 5.49 g of a solid mixture composed of NH,Cl and CaClz was dissolved in 100.0 ml of water, the…

A: Given that -  Mass of mixture of NH4Cl and CaCl2 = 5.49 g  Volume of water = 100 mL  Increase in…

Q: When 5.75 g of a solid mixture composed of NH4CI and CaCl2 was dissolved in 100.0 mL of water, the…

A: Given, Volume of water = 100.0 mL Mass of salt mixture = 5.75 g  As density of water is 1 g/mL, mass…

Q: 4.44°C

A: Given that : The mass of the solid mixture = 4.81 g The volume of water = 100.0 mL The rise in…

Q: 2.74 g sample of methanol, CH3OH, is combusted in a bomb calorimeter. The temperature of the…

A:

Q: The enthalpy changes when a strong acid is neutralized by strong base is –56.1 kJ/mol. If 135 mL of…

A: So we will calculate the maximum temperature reach by the solution.

Q: A 2.81 g sample of methanol, CH3OH, is combusted in a bomb calorimeter. The temperature of the…

A: The solution is given below -

Q: When 50.0 mL of 1.27 M of HCl(aq) is combined with 50.0 mL of 1.32 M of NaOH(aq) in a coffee-cup…

A:

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: When 100 mL of 0.200 M NaCl(aq) and 100 mL of 0.200 M AgNO3(aq), both at 21.9 °C, are mixed in a…

A: Given that  Initial temperature = 21.9 °C Final temperature = 23.5 °C To calculate the amount of…

Q: The addition of 3.15 g of Ba(OH)2-8H20 to a solution of 1.52 g of NHASCN in 100 g of water in a…

A:

Q: when 50.0 mL of 0.200 M NaOH is mixed with 50 mL of 0.200 M HCl in a coffee cup calorimeter, the…

A:

Q: When 5.28 g of a solid mixture composed of NH4Cl and CaCl2 was dissolved in 100.0 mL of water, the…

A:

Q: When a 6.50 g sample of solid sodium hydroxide dissolves in 100.0 g of water in a coffee cup…

A: Heat added to the system or Quantity of heat released from the reaction:

Q: A piece of iron (mass 25.0 g) at 398 K is placed in a styrofoam coffee cup containing 25.0 mL of…

A: