When 3.92 g of ammonium perchlorate (NH4ClO4) is dissolved in 119 g of water in a...
When 3.92 g of ammonium perchlorate (NH4ClO4) is dissolved in 119 g of water in a styrofoam calorimeter of negligible heat capacity, the temperature drops from 25.00 to 22.64 °C. Based on this observation, calculate q for the water and ΔH° for the process, assuming that the heat absorbed by the salt is negligible.
NH4ClO4(s) NH4+(aq) + ClO4- (aq)
The specific heat of water is 4.184 J °C^-1 g^-1. Give the answers in kJ.
qH2O = ______ kJ
ΔH° = ________ kJ
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When 3.92 g of ammonium perchlorate (NH4ClO4) is dissolved in
119 g of water in a...
When 3.90 g of cesium perchlorate (CsClO4) is dissolved in 112 g of water in a...
When 3.90 g of cesium perchlorate (CsClO4) is dissolved in 112 g of water in a styrofoam calorimeter of negligible heat capacity, the temperature drops from 25.00 to 22.93 °C. Based on this observation, calculate q for the water and ΔH° for the process, assuming that the heat absorbed by the salt is negligible. CsClO4(s) Cs+(aq) + ClO4- (aq) The specific heat of water is 4.184 J °C-1 g-1. Give the answers in kJ. qH2O = kJ ΔH° = kJ
The salt ammonium perchlorate dissolves in water according to the reaction: NH4ClO4(s) NH4+(aq) + ClO4-(aq) (a)...
The salt ammonium perchlorate dissolves in water according to the reaction: NH4ClO4(s) NH4+(aq) + ClO4-(aq) (a) Calculate the standard enthalpy change ΔH° for this reaction, using the following data: NH4ClO4(s) = -295.3 kJ mol-1 NH4+(aq) = -132.5 kJ mol-1 ClO4-(aq) = -129.3 kJ mol-1 kJ (b) Calculate the temperature reached by the solution formed when 33.9 g of NH4ClO4 is dissolved in 0.196 L of water at 23.4 °C. Approximate the heat capacity of the solution by the heat capacity...
When 4.37 g of potassium bromide (KBr) is dissolved in 109 g of water in a...
When 4.37 g of potassium bromide (KBr) is dissolved in 109 g of water in a styrofoam calorimeter of negligible heat capacity, the temperature drops from 25.00 to 23.34 °C. Based on this observation, calculate q for the water and ΔH° for the process, assuming that the heat absorbed by the salt is negligible. KBr(s) --> K+(aq) + Br- (aq) The specific heat of water is 4.184 J °C-1 g-1.
The salt sodium perchlorate is soluble in water. When 9.07 g of NaClO4 is dissolved in...
The salt sodium perchlorate is soluble in water. When 9.07 g of NaClO4 is dissolved in 103.00 g of water, the temperature of the solution decreases from 25.00 to 22.70 °C. Based on this observation, calculate the enthalpy of dissolution of NaClO4 (in kJ/mol). Assume that the specific heat of the solution is 4.184 J/g °C and that the heat absorbed by the calorimeter is negligible. ΔHdissolution kJ/mol =
The salt cesium chloride is soluble in water. When 11.9 g CsCl is dissolved in 117.00 g water, th...
The salt cesium chloride is soluble in water. When 11.9 g CsCl is dissolved in 117.00 g water, the temperature of the solution decreases from 25.00 °C to 22.56 °C. Based on this observation, calculate the dissolution enthalpy, ΔdissH, of CsCl. Assume that the specific heat capacity of the solution is 4.184 J g-1 °C-1 and that the energy transfer to the calorimeter is negligible. ΔdissH = kJ/mol
The salt cesium perchlorate dissolves in water according to the reaction: CsClO4(s) Cs+(aq) + ClO4-(aq) (a)...
The salt cesium perchlorate dissolves in water according to the reaction: CsClO4(s) Cs+(aq) + ClO4-(aq) (a) Calculate the standard enthalpy change ΔH° for this reaction, using the following data: CsClO4(s) = -443.1 kJ mol^-1 Cs^+(aq) = -258.3 kJ mol^-1 ClO4-(aq) = -129.3 kJ mol^-1 _____kJ (b) Calculate the temperature reached by the solution formed when 30.0 g of CsClO4 is dissolved in 0.119 L of water at 23.0 °C. Approximate the heat capacity of the solution by the heat capacity...
The salt cesium chloride is soluble in water. When 9.32 g CsCl is dissolved in 116,00...
The salt cesium chloride is soluble in water. When 9.32 g CsCl is dissolved in 116,00 g water, the temperature of the solution decreases from 25.00 °C to 23.09 °C. Based on this observation, calculate the dissolution enthalpy, Adiss H. of CSCL Assume that the specific heat capacity of the solution is 4.184 J g'oc and that the energy transfer to the calorimeter is negligible. AdissH k J/mol Submit Show Approach Show Tutor Steps
When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution...
When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution (dissolving) can be determined using a coffee cup calorimeter. Thermometer In the laboratory a general chemistry student finds that when 9.66 g of CSCI(S) are dissolved in 106.80 g of water, the temperature of the solution drops from 22.55 to 19.99 °C. Cardboard or Styrofoam lid The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate...
Thermometer When a solid dissolves in water, heat may be evolved or absorbed. The heat of aissolution (dissolving) can be determined using a coffee cup calorimeter. Cardboard or Styrofoam lid In the...
Thermometer When a solid dissolves in water, heat may be evolved or absorbed. The heat of aissolution (dissolving) can be determined using a coffee cup calorimeter. Cardboard or Styrofoam lid In the laboratory a general chemistry student finds that when 11.13 g of CsBr(s) are dissolved in 114.50 g of water, the temperature of the solution drops from 25.61 to 22.35 °C The heat capacity of the calorimeter (sometimes refered to as the calorimeteγ constant) was determined in a separate...
When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution (dissolving) can be deter...
When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution (dissolving) can be determined using a coffee cup calorimeter. Thermometer Cardboard or In the laboratory a general chemistry student finds that when 8.96 g of K2SOs) are dissolved in 111.20 g of water, the temperature of the solution drops from 24.21 to 21.29 C. Styrofoam Bd The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate...
The salt cesium chloride is soluble in water. When 9.32 g CsCl is dissolved in 116,00 g water, the temperature of the solution decreases from 25.00 °C to 23.09 °C. Based on this observation, calculate the dissolution enthalpy, Adiss H. of CSCL Assume that the specific heat capacity of the solution is 4.184 J g'oc and that the energy transfer to the calorimeter is negligible. AdissH k J/mol Submit Show Approach Show Tutor Steps
When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution (dissolving) can be determined using a coffee cup calorimeter. Thermometer In the laboratory a general chemistry student finds that when 9.66 g of CSCI(S) are dissolved in 106.80 g of water, the temperature of the solution drops from 22.55 to 19.99 °C. Cardboard or Styrofoam lid The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate...
Thermometer When a solid dissolves in water, heat may be evolved or absorbed. The heat of aissolution (dissolving) can be determined using a coffee cup calorimeter. Cardboard or Styrofoam lid In the laboratory a general chemistry student finds that when 11.13 g of CsBr(s) are dissolved in 114.50 g of water, the temperature of the solution drops from 25.61 to 22.35 °C The heat capacity of the calorimeter (sometimes refered to as the calorimeteγ constant) was determined in a separate...
When a solid dissolves in water, heat may be evolved or absorbed. The heat of dissolution (dissolving) can be determined using a coffee cup calorimeter. Thermometer Cardboard or In the laboratory a general chemistry student finds that when 8.96 g of K2SOs) are dissolved in 111.20 g of water, the temperature of the solution drops from 24.21 to 21.29 C. Styrofoam Bd The heat capacity of the calorimeter (sometimes referred to as the calorimeter constant) was determined in a separate...
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