Samples of NaOH and H2S react according to the following equation: 2NaOH+H2S----->Na2S+2H2O    /_\H=41.0 kj What is the heat, in kj, corresponding to the complete reaction of 1.40g of NaOH?

Q: A neutralization reaction occurs when 120.00 mL of 0.500 mol/L LIOH and 160.00mL of 0.375 mol/L HNO3…

A: Given, Molarity of LiOH = 0.500 M  Volume of LiOH in mL = 120.00 mL  Molarity of HNO3 = 0.375 M…

Q: On a 5 day wilderness expedition you'll need to heat 5.0 kg of water to the boiling point each day.…

A:

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A: The combustion reaction is shown as,

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A: Heat of Combustion There are some substance generally organic molecules which reacts with excess…

Q: On a 12 day wilderness expedition you'll need to heat 3.0 kg of water to the boiling point each day.…

A: Givens : ∆Hc  =  103.8 kJ / m  the mass of water  =m = 3.0kg  specif heat capacity  =c = 4.200J /…

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A: Given: Fe(s) + 2HCl(aq) FeCl2(s) + H2(g)     H = -7.40 kJ moles of Fe = massmolar mass…

Q: (a) When a 4.25-g sample of solid ammonium nitrate dissolvesin 60.0 g of water in a coffee-cup…

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A: Given that the gas is in 50.0 L container at 298 K and 1 atm. At STP 1 mole of gas occupies 22.4 L…

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A: More the specific heat of a substance more it cause resistance for the change in temperature.

Q: In a coffee cup calorimeter, 50.0 mL of 0.100 M AGNO3 and 50.0 mL of 0.100 M HCl are mixed to yield…

A: Given that: Mass of the solution (m) = 100.0 g Specific heat capacity (C) = 4.18 J/g°C Temperature…

Q: 3. 50.0 ml each of NaOH (aq) and HCI (aq), both at a concentration of 1.00 M and a temperature of…

A:

Q: 6. A neutralization reaction occurs when 120.00 mL of 0.500 mol/L L¡OH and 160.00mL of 0.375 mol/L…

A: #6: Since the 53.1 kJ heat energy is on the product side, heat is released during the reaction and…

Q: mass of metal=56.100g mass h2o=82.69g ti water=20.9c ti metal=92.7c tf metal and water=25.5c ^t of…

A: The heat transferred during the reaction can be determined from the given equation. The temperature…

Q: 9. 50.0 mL of a solution of HCl is combined with 100.0 mL of 1.15 M NaOH in a calorimeter. The…

A: Neutralization of NaOH and HCl is taking place and the reaction is given.

Q: To measure the heat of the solution of LiCl a student adds 100.0 grams of water, initially at 15.0 C…

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Q: In a coffee-cup calorimeter, 50.0 mL of 0.100 M AgNO3 and 50.0 mL of 0.100 M HCl are mixed to yield…

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Q: Octane is a primary constituent of gasoline, burn in air according to the following reaction: C8H18…

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Q: A 45.2-g iron rod, initially at 12.9 oC is submerged into 55.2 g of water at an unknown initial…

A: Given data: Mass of iron rod = mFe = 45.2-g Initial temperature of iron rod = Ti(Fe)= 12.9°C Mass of…

Q: What quantity of heat (in kJ) will be released (∆H) if 0.4501 mol of NH3, are mixed with O.200 mol…

A:

Q: On a 10 day wilderness expedition you'll need to heat 3.0kg of water to the boiling point each day.…

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Q: The combustion reaction of octane is represented by the following equations: 2C8 H18 (1) + 25 O2 (g)…

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Q: How many grams of C6H6 must decompose accorsing to the equation to transfer 430 Kj of heat?…

A: Heat of reaction is defined as difference of energy of product  and energy of Reactant. If heat of…

Q: On a 5 day wilderness expedition you'll need to heat 4.0kg of water to the boiling point each day.…

A: Given:Mass of water = 4.0 kg = 4000 gBoiling point of water = 100 oC (Tf)Initial temperature of…

Q: Write a balanced equation for the combustion of C7H16(l) (heptane)-- i.e. its reaction with O2(g)…

A: The balanced equation is

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Q: How much heat evolves when 86 mL of benzene C6H6 is consumed in the combustion reaction below? The…

A: We have to calculate the heat evolved.

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Q: 150 ml of .350M HCl was mixed with 150 mL of .350 M NaOH in a calorimeter of negligible heat…

A:

Q: S.) An experiment is conducted where 1.00g of water has an initial temperature of 25°C. A metal has…

A: Given, Mass of metal, mmetal = 5.00 g Initial temperature of metal, Tmetal = 100°C Specific heat of…

Q: Combustion of hexane releases 3500 kJ per mole. What is the mass of hexane need to be burnt to…

A: Given ΔH = 3500 KJ/mol mass of water = 2 kg T1 = 25°C T2 = 100°C Cv = 75.32 J/mol.K Also  moles =…

Q: The reaction for the hydrolysis of water is described by the equation H2O(l) → H2(g) + ½ O2(g).…

A: ∆H rxn. = ∆Hf (H2) +1/2∆Hf(O2)-∆Hf(H2O)

Q: Consider 25.6 g of sodium bicarbonate is reacted completely with 1.01 kg of vinegar. The starting…

A: The amount of heat released or absorbed in a reaction is given by the following equation.…

Q: On a 10 day wilderness expedition you'll need to heat 4.0 kg of water to the boiling point each day.…

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Q: An aluminum can of mass 0.14kg contains water at 17.5°C. Iron pellets with a total mass of 6.3kg at…

A: Given that : Mass of aluminium can (ma) = 0.14 kg Initial temperature of water (Tw)= 17.5°C Mass of…

Q: How much heat (in kJ) will be released (∆H) if 1.20 mol of SrO is mixed with 0.555 mol of CO₂ in the…

A: Mol rationin SrO and CO2 is 1:1 . Excess SrO will remains in the solution.

Q: ΔH = +572 kJ for the decomposition of water by the reaction 2 H2O() → 2 H2(g) + O2(g). How many…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: The enthalpy for combustion for ethanol is -1370.7 kJ/mole and occurs via the following balance…

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Q: On a 7 day wilderness expedition you'll need to heat 2.0 kg of water to the boiling point each day.…

A: Given, Amount of water = 2.0 kg = 2000 g., Initial temperature = 25°C = 298 K Final temperature =…

Q: initial temperature of the water was 20.5ºC, and the final temperature of the metal and water was…

A: Heat (q) = ms.□T Where  m = mass of substance  s =specific Heat capacity  □T = Temperature…

Q: n a coffee cup calorimeter 2.5 grams of NaOH is added 50.00 gram of water.  The water was at 22.0oC.…

A: specific heat capacity of a substance can be given by the following formula : Where q is the heat…

Q: How much heat (in kJ) evolves when 7.0 L of C2H2 (d= 1.0967 kg/m3) is mixed with a stoichiometric…

A: Number of moles = mass/molar mass  Molar mass of C2H2 = 26 g/mol

Q: What mass of benzene (C6H6, molar mass = 78.11 g/mol) is required to produce 1.5x10^3kJ of heat…

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Q: This question has multiple parts. Work all the parts to get the most points. Calculate AH for the…

A: In part A  Given that , 2K(s) + 2H2O(l) ---> 2KOH(aq) + H2(g)  And we have to determine ∆H°…

Q: 2.857 g of NH4Cl (53.19 g/mol) are added to 50.0 mL of water (18.02 g/mol, density = 1.00 g/mL) and…

A: To find ∆H     ∆H = m*c*∆T Given         m = 2.857 g         c = 4.18 J/(g.C)  ∆T   =  18.90 -22.3…

Q: How much heat evolves when 216 mL of benzene is consumed in the combustion reaction below. The…

A: Given Volume of Benzene = 216 mLDensity of Bnezene = 0.88 g/mLMass of Benzene = Density of benzene *…

Q: Question are attached

A: To calculate, the amount of heat released or absorbed for a process, the equation used is: q = m × C…