When 5.12 g of a solid is added to a calorimeter containing 18.45 g of water at 25.1 °C, the contents of the calorimeter are swirled to equilibrate. The final temperature is 22.5 °C in the calorimeter. What is the AH_? rxn

Q: A bomb calorimetry experiment is performed with xylose, C₅H₁₀O₅ (s), as the combustible substance.…

A: Given that Xylose (C5H10O5) has    Mass burned, m = 2.365 g      Molar mass M = 150.13 g/mol…

Q: The combustion of 0.7523 g of the compound, C3H603(Molar mass = 90.08 g/mol) raises the temperature…

A: Recall the given reaction,                         C3H6O3 l  +  9/2 O2 g  →  3 CO2 g  +  3 H2O…

Q: When 1.81 g of zinc metal reacts with 100.00 g of 1.00M HCl in a coffee-cup calorimeter, the…

A: Zinc metal reacts with Concentrated HCl is an exothermic reaction(heat produced) thus temperature…

Q: A 4.00-g sample of rocket fuel was combusted in a bomb calorimeter according to the following…

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Q: When 107 g of water at a temperature of 23.5 °C is mixed with 65.8 g of water at an unknown…

A: According to the data given in the question,Weight of water at 23.5℃ (296.5 K) = 107 gWeight of…

Q: In an endothermic process, heat is ____________ (released/absorbed).  In an exothermic process, heat…

A: Here I attempt only first question (Question-1) because there are two many questions and according…

Q: Under constant-volume conditions the heat of combus- tion of benzoic acid (HC-H;O2) is 26.38 kJ/g. A…

A: Given: Heat of combustion of benzoic acid = 26.38 KJ/g. Initial temperature of calorimeter = 22.25…

Q: A calorimeter contains 23.0 mL of water at 14.5 °C . When 2.20 g of X (a substance with a molar mass…

A:

Q: A piece of hot silicon at 92.8°C weighing 78.3 g is dropped into a coffee cup calorimeter, which…

A: The heat gain will be equal to the heat lost. Qgain=-Qlost The change in heat can be calculated by…

Q: A 0.8563 g sample of C14H30 (molar mass = 198.394 g/mol) undergoes combustion in a bomb calorimeter…

A: The given data contains, mass of sample = 0.8563 gSpecific heat capacity =63.92 kJ/°CTemperature…

Q: Given the balanced chemical equation: Fe(s) +2 HCI(aq) FeCl2(aq) + H2(3) AHrxn ?? A sample of 0.93 g…

A: Mass of solution, msoln = 200 g Specific heat of solution, Csoln = 4.184 J/ g ℃ Rise in Temperature,…

Q: 1. When 2.00 grams of solid sodium hydroxide dissolves in 100.0 ml of water in a coffee-cup…

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Q: A piece of metal of mass 20.0 g at 100.0°C is placed in a Styrofoam cup calorimeter containing 50.7…

A:

Q: 2. The reaction of hydrochloric acid, HCl and sodium hydroxide, NaOH in water is an exothermic…

A: Given, Volume of HCl & NaOH solution = 50.0 mL Concentration of HCl & NaOH solution = 1.00 M…

Q: I'm not sure how I can answer this question.

A: Given: Mass of sucrose= 3.50 g Temperature, t1= 25°C Temperature, t2= 29°C

Q: A 5.000 g sample of methanol, CH;OH (Molar mass = 32 g/mol), was combusted in the presence of excess…

A: Combustion reaction: When a hydrocarbon reacts with oxygen present from air gives carbon dioxide and…

Q: A solution prepared by mixing 8.00 g of NaOH in 50.0 g of H2O is mixed together with a solution…

A: The formula of heat is given by:

Q: The addition of hydrochloric acid to a silver nitrate solution precipitates silver chloride…

A: A numerical problem based on enthalpy of reaction, which is to be accomplished.

Q: A bomb calorimetry experiment is performed with xylose, CSH10OS (s), as the combustible substance.…

A: ,given xylose burned=1.823gmheat capacity of calorimetre=4.728KJ/°Cinitial temperature=23.29°Cfinal…

Q: A bomb calorimetry experiment is performed with xylose, C₅H₁₀O₅ (s), as the combustible substance.…

A: Mass of xylose burned = 2.365 g  initial calorimeter temperature = 23.29 degree centigrade  final…

Q: The addition of hydrochloric acid to a silver nitrate solution precipitates silver chloride…

A:

Q: A bomb calorimetry experiment is performed with xylose, C5H10O5(s) (molar mass = 150.13 g/mol), as…

A:

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 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: If a sample of salt is in water in a constant pressure calorimeter with a heat capacity of 35.5 J/℃…

A: Heat of dissolution :-            The enthalpy of solution, enthalpy of dissolution, or heat of…

Q: A calorimeter contains 30.0 mL of water at 14.0 °C When 1.70 g of X (a substance with a molar mass…

A: Given: Mass of X dissolved = 1.70 g. Molar mass of X = 76.0 g/mol. Initial temperature of solution =…

Q: The addition of hydrochloric acid to a silver nitrate solution precipitates silver chloride…

A: The volume of the solution is 50 mL which is equal to 0.050 L. The number of moles of AgNO3 and HCl…

Q: 33.45 grams of solid ammonium chloride is dissolved in the calorimeter and the temperature goes from…

A:

Q: The addition of hydrobromic acid to a silver nitrate solution precipitates silver bromide according…

A: we need to calculate ∆Hrxn

Q: Two solutions, initially at 24.60°C, are mixed in a coffee cup calorimeter (Ccal = 155 J/ °C). When…

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Q: A calorimeter contains 35.0 mL of water at 13.0 °C. When 1.80 g of X (a substance with a molar mass…

A: Given,The volume of water = 35.0 mLSo, mass of the water will be = (35.0 mL x 1.0 g/mol) = 35.0 g =…

Q: Combustion of 7.21 g of liquid benzene (C6H6, Mm= 78.12 g.mol-) causes a temperature rise of 50.3°C…

A: Given: The mass of the liquid benzene is 7.21 g The molar mass of benzene is 78.12 g.mol-1 The…

Q: A student transferred 50.0 ml 1.00 M HCl into a coffee-cup calorimeter, which had a temperature of…

A: By reaction of NaOH to HCl solution,  there is an increase in the temperature. Thus change in…

Q: A 0.692 g sample of glucose is burnt in a bomb calorimeter containing 575 g of water. The…

A:

Q: A 1.800-g sample of phenol (C6H4O2) was burned in a bomb calorimeter whose total heat capacity is…

A: Total heat(q) produced by 1.800 g of phenol can be calculated using following expression…

Q: 3. A 135.0 g sample of dilute hydrochloric acid is placed in a copper calorimeter with a mass of 465…

A: Q3) Given that: Mass of HCl sample = 135.0 g Mass of copper calorimeter = 465 g Specific heat…

Q: [2] When 1.045 g of CaO is added to 50.0 ml of water at 22.0 °C in a coffee-cup calorimeter, the…

A: Heat release during reaction = heat gain by water and calorimeter.

Q: Calculate qrxn for the reaction that occurs when 25.0 mL of 1.00 M HCl are added to 25.0 mL of 1.00…

A: The volume of 1.00 M HCl added to the 25.0 mL of 1.00 M NaOH is 25.0 mL. The initial temperature is…

Q: When 25.0 mL of 1.00 M H2SO4 is added to 50.0 mL of 1.00 M NaOH in a coffee-cup calorimeter at 25°C,…

A: Given: Density= 1.00 g/mL The volume of H2SO4= 25.0 mL The volume of NaOH= 50.0 mL The concentration…

Q: Suppose that 125 mL of 0.1125 M HCI is reacted with 155 mL of 0.1010 M NaOH in a coffee-cup…

A: Given that : The volume of HCl = 125 mL The molarity of HCl = 0.1125 M The volume of NaOH = 155 mL…

Q: A 5.1-gram piece of gold jewelry is removed from water at 100.0°C and placed in a coffee-cup…

A:

Q: When 1.00 L of 1.05 M Ba(NO3)2 solution is mixed with 1.00 L of 1.10 M NazSO4 solution at 25.0°C in…

A: Given: Concentration of Ba(NO3)2 = 1.05 M Volume of Ba(NO3)2 solution = 1.00 L Concentration of…

Q: of 1.00 g glucose is combusted in a bomb calorimeter. If the calorimeter contains 875 g H20 and the…

A: Rise in temperature can be calculated as follows

Q: A 0.1920 g sample of quinone (C6H4O2) is burned in a bomb calorimeter that has a heat capacity of…

A: Given, heat capacityof calorimeter(Ccal)= 1.56 kJ/°C temperature change(∆T) = 3.84 °C => heat…

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: 4. A 50.0 mL solution of 1.2 M HCI at 24.1°C is mixed with 50.0 mL of 1.3 M NaOH, also at 24.1°C, in…

A:

Q: CH,„O6 (s) + 60, (g) → 6CO, (g) + 6H,0(g) a. The combustion of glucose was performed in a bomb…

A: Heat capacity Ccal = 2.273 kJmolChange in temperature ∆T = 28.49 °CNumber of moles of glucose =…

Q: 3. A piece of metal of mass 20.0 g at 100.0°C is placed in a Styrofoam cup calorimeter containing…

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Q: Pls help on both questions.

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Q: Suppose 9.44 g of calcium chloride, CaCl2, (MM=111.0 g/mol) is added to 222. g water at 21.84oC in a…

A: