When 30mL of 1.18 mol/L H2SO4(aq) and 40mL of 1.27mol/L HCOOH(aq) are mixed in a simple calorimeter, the temperature rises by 5.07 degrees celsius. Calculate the enthalpy change that occurs in the chemical system. The answer should be written in the form a.bc kJ

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: Zn metal reacts with hydrochloric acid according to the balanced equation Zn(s) + 2 HCl(aq)…

A: Given data:

Q: The combustion of 1.00 mol of glucose (C6H12O6) liberates 2820 kJ of heat. If 1.14 g of glucose is…

A: Mass of glucose = 1.14 g Molar mass of glucose = 180 g/mol Mass of water = 744 g Temperature change…

Q: THERMODYNAMICS: The combustion of 1.00 mol of glucose (C6H12O6) liberates 2820 kJ of heat. If 1.83 g…

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Q: how many grams of lithium chloride (ΔH=−37.0 kJ/mol) do you need to add in order to raise the…

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Q: A simple coffee-cup calorimeter is often used to determine the amount of heated released when an…

A: Number of moles=Given massMolar mass

Q: The

A: We will calculate ∆H°formation .

Q: In a coffee cup calorimeter, a student adds 2.50 g of calcium, followed by addition of 50.0 mL of…

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Q: 1). A reaction was performed in a coffee cup calorimeter with an assumed calorimeter constant of…

A: Since you have posted multiple questions, we'll answer the first one. If yo want any other questions…

Q: 66.667 ml of 3.000 M H2SO4 (aq) solution was neutralized by the stoichiometric amount of 4.000 M…

A: Given: Concentration of H2SO4 = 3.0 M volume of H2SO4 = 66.667 mL Concentration of Al(OH)3 = 4.00 M…

Q: In a coffee cup calorimeter, a student adds 2.50 g of calcium, followed by addition of 50.0 mL of…

A: Let us take the initial temperature of all components are at room temperature, i.e., 250C (298 K)…

Q: The change in enthalpy when one mole of a compound forms from its constituent elements in their…

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Q: In a coffee cup calorimeter, a student places 0.470 g of calcium, followed by addition of 50.0 mL of…

A: Given, maas of Ca= 0.470 g  As HCl have properties like water so density= 1g/ml  So mass od 50 ml…

Q: The enthalpy for combustion for propanol is -2021 kJ/mole and occurs via the following balanced…

A: Given that: enthalpy of propanol = -2021 kJ/mole mass of ethanol = 0.601 g = 0.000601 kg Cbomb=12.1…

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: The combustion of 1.00 mol of glucose (C6H12O6) liberates 2820 kJ of heat. If 1.66 g of glucose is…

A:

Q: What is the molar heat of combustion of methanol CH,OH ( in kJ/mol), if the combustion of 1.0 g of…

A: Note: As per our guidelines, we are supposed to answer only one question when multiple questions are…

Q: Zinc metal reacts with hydrochloric acid according to the following reaction: % Zn (s) + HCI (aq) →…

A: The reaction given is, Given: Mass of Zn reacting = 0.9807 g. Concentration of HCl = 0.250 M Volume…

Q: combustion of 1.00 mol of glucose (C6H12O6) liberates 2820 kJ of heat. If 1.17 g of glucose is…

A:

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

A: Given : mass of solution = 174 g Final temperature of solution = 24.70 oC Initial temperature of…

Q: Calculate the heat (in kJ) for a 2.80 kg system changing temperature from 85.0 oC to 10.0 oC? The…

A: The heat is to be calculated

Q: Zinc metal reacts with hydrochloric acid according to the balanced chemical equation.  Zn(s) + 2…

A: Given mass of Zn = 0.103 g volume of solution = 50 ml density of solution = 1g/ml standard value.…

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

A: Given : Moles of compound reacted = 2.00 mol Mass of solution = 161 g Initial temperature of…

Q: A piece of metal of mass 12 g at 107 ◦C is placed in a calorimeter containing 55.7 g of water at…

A: Given : Mass of water = 55.7 g Mass of metal = 12 g Initial temperature of water = 20 oC Final…

Q: When 2.85 g of HC7H5O2 (molar mass = 122.12 g/mol) was burned in a bomb calorimeter, the temperature…

A: Calculation of number of moles of benzoic acid Mass of benzoic acid = 2.85 g Molar mass of benzoic…

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: Calculate the heat capacity of Al in J/mol °C.

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Q: What is the enthalpy of this reaction?

A: Given: n=2 mol Formula used: q=mCp.∆T

Q: Having just invented a new type of calorimeter, Dr. Cox needs to determine the heat capacity of the…

A: The mass of water = 32.502 g Temperature of empty calorimeter =25∘C Added water at temperature =…

Q: A silver block, initially at 57.9 ∘C, is submerged into 100.0 g of water at 24.6 ∘C, in an insulated…

A: Answer :- Here I have explained the complete step by step solution hope this will really gonna help…

Q: A quantity of 2.314 g of naphthalene (MM = 128 g/mol), a pungent-smelling substance used in moth…

A: Given: Heat capacity of bomb = 5.170 KJ/oC = 5170 J/oC                             (Since 1 KJ =…

Q: 4. A 505 gram piece of copper tubing is heated to 99.0 °C and placed in an insulated vessel…

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Q: The combustion of 1.00mol of glucose (C6H12O6) liberates 2820 kJ of heat. If 1.7g of glucose is…

A:

Q: The combustion of 1.00 mol of glucose (C6H12O6) liberates 2820 kJ of heat. If 1.13 g of glucose is…

A: Answer: Molar mass of glucose is 180.156g/mol Given mass of glucose is 1.13g Since, number of moles…

Q: When a piece of unknown metal weighing 63.40 grams, and at a temperature of 87.80 °C, is placed in a…

A: We will use calorimetry principle

Q: When 23.6 g of calcium chloride, CaCl2, was dissolved in water in a coffee cup calorimeter, the…

A: The heat change of solution and enthalpy change of calcium chloride will be equal in magnitude.…

Q: mwt of naphtalene = 128.17 g/mol Naphthalene combustion can be used to calibrate the heat capacity…

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Q: Ethylene glycol, HOCH2CH2OH, is used as antifreeze. It is produced from ethylene oxide, C2H4O, by…

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Q: THERMODYNAMICS: The combustion of 1.00 mol of glucose (C6H12O6) liberates 2820 kJ of heat. If 1.41 g…

A:

Q: The combustion of 1.00mol of glucose (C6H12O6) liberates 2820 kJ of heat. If 1.64g of glucose is…

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Q: Two students perform an experiment to determine the molar enthalpy of sucrose (C HO, molar mass =…

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

A: m = 144 gTemperature difference = 24.7 oC -21.00 oC = 3.7 oCSpecific heat capacity = 4.186 J/g. oC

Q: In Part B of the experiment, a student mixes 28.0 mL of 1.100 M HC1(aq) with 28.0 mL of 1.000 M…

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Q: 1.6 g sample of acetic acid (HC2H3O2) was burned in excess oxygen in a bomb calorimeter. The…

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Q: A 10.0 g sample of pure acetic acid, CH,CO,H is completely burned. The heat released warms 2.00 L of…

A: Given that -  Mass of acetic acid = 10.0 g  Volume of water = 2.00 L = 2000 mL  Initial temperature…

Q: Cyclopentane, C5H10, has an enthalpy of combustion of –3292 kJ per mole of cyclopentane.  What mass…

A: Given: Enthalpy of combustion of cyclopentane ∆Hc is -3292 kJ/mol. The amount of heat released is…

Q: 45.00 mL of 0.010 M HCI(aq) was mixed with 65.00 mL of 1.0 M Ba(OH)2(aq) in a Styrofoam cup…

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