A reaction between HCl and NaOH occurs. 25ml of HCl and 25ml of NaOH The initial temp is 20.4 degrees Celsius The final temp is 26.6 degrees Celsius  The specific heat capacity is 4.184 J/g degrees Celsius What is the q of the reaction in kJ/mole?

Q: A chemist measures the energy change AH during the following reaction: C,H3(g)+50,(g) → 3…

A: The given reaction is : C3H8(g)  +  5O2(g)  →  3CO2(g)  +  4H2O(l)            ∆H=-2220 kJ

Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g･°C) at 81.2 °C is placed into 500.0 g of…

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

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Q: The thermochemical equation for the combustion of methanol is CH3OH (g)  +  3/2 O2(g)  →  CO2(g)  +…

A: Here we are required to find the heat produced on burning 5 gm of methanol

Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g °C) at 32.6 °C is placed into 500.0 g of…

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Q: A 132.3 g piece of copper (specific heat 0.38 J/g･°C) is heated and then placed into 400.0 g of…

A: Qwater = m × S × ∆T Where        m = mass of water = 400 g        S = specific heat of water = 4.18…

Q: A 2.200-g sample of quinone (C6H4O2) is burned in a bombcalorimeter whose total heat capacity is…

A: given, 2.200 gram sample of C6H4O2 Molar mass of quinone- 6*(12)+4*(1)+2(16)= 72+4+32=108 gm No. of…

Q: A calorimetry experiment where 5.0 mol of NH4* is reacted with 5.0 mol of CN is conducted in 35.0 g…

A: Calorimetry is used to measure the change in enthalpy during a chemical process. The value of change…

Q: CaO(s) reacts with water to form Ca(OH)2(aq). If 6.66 g CaO is combined with 99.84 g H2O in a coffee…

A: Given data,Mass of CaO=6.66gMass of water=99.84gInitial temperature=20oCFinal…

Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g･°C) at 47.2 °C is placed into 500.0 g of…

A: We have to calculate the temperature change for the Copper block.

Q: 3.88g of solid ammonium nitrate dissolves in 60.0g of distilled water in a coffee-cup calorimeter.…

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

Q: When 0.25 g of the organic compound naphthalene are burned in a bomb calorimeter, the temperature of…

A: Given: Mass of naphthalene burned = 0.25 g. Initial temperature of calorimeter = 24.00 oC Final…

Q: A 325.0 g piece of gold at 427.0 °C is dropped into 200.0 mL of water at 22.0 °C. The specific heat…

A: We know that, according to the law of conservation of heat energy, energy gained or loss by the…

Q: A 93.1 g piece of copper (specific heat 0.380 J/g･°C) is heated and then placed into 400.0 g of…

A: Q=M S ∆T  Q=heat M=mass S=specific heat ∆T=change in temperature

Q: 8. Liquid hydrogen peroxide, an oxidizing agent in many rocketfuel mixtures, releases oxygen gas on…

A: Given chemica equation for the decomposition of hydrogen peroxide is  2H2O2(l) ------> 2H2O(l) +…

Q: Iron metal reacts with Oxygen gas to produce Iron (III) oxide according to the reaction. AH= -1652…

A: Given that , DelH = -1652 KJ  The balanced chemical reaction is given by , 2 Fe(s) + 3 O2(g)…

Q: When a 3.46-g sample of solid sodium nitrate dissolves in 41.5 g of water in a coffee-cup…

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Q: The ΔH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol. When…

A: To solve this problem, first calculate the q for reaction by using formula q = n∆H. Using q value…

Q: The ΔH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol. When…

A: the amount of heat required to raise the temperature by 1 degree of mass 1 gm is known as specific…

Q: A chemist measures the energy change AH during the following reaction: 2 NH3(g) → N,(9)+3H,(g)…

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Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g･°C) at 42.4 °C is placed into 500.0 g of…

A: Given, For copper block: Mass of the copper block (mCu) = 25.0 g Specific heat capacity of copper…

Q: calculate the amount of heat (in J) necessary to raise the temperature of 23.9 g benzene by 27.0 °C.…

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Q: A 1.13-g sample of glucose (C6H1206) is burned in a constant-volume calorimeter that has a heat…

A: Given , mass of glucose , m=1.13 g heat capacity Cg=14.0 KJ/°C Initial temperature, Ti=17.7°C Final…

Q: The combustion of 0.1599 g benzoic acid increases the temperature of a bomb calorimeter by 2.56°C.…

A:

Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g･°C) at 44.6 °C is placed into 500.0 g of…

A: We have to calculate the change in temperature for metal block.

Q: You are given the following equation for the formation of sulfur trioxide in the reaction below.…

A: Mass of vegetable oil = 1.15 kg = 1150 gm  Heat capacity of vegetable oil (c) = 1.67 J/g°C  Initial…

Q: A 25.0 g block of copper (specific heat capacity 0.380 J/g･°C) at 36.2 °C is placed into 500.0 g of…

A: We will calculate change in temperature in copper block using: Heat lost by copper block= hear…

Q: Consider the reaction B2H6(g) + 3 O2(g) → B2O3(s) + 3 H2O(g) ∆H = -2035 kJ How much heat is…

A: As the masses of both reactants are given, we need to fist find the limiting reactant. From limiting…

Q: When a 5.12-g sample of solid sodium nitrate dissolves in 58.0 g of water in a coffee-cup…

A: First of all calculate the heat involved in the process by the given amount (moles) of solute by…

Q: A bag filled with lead shots is dropped from a height of h = 22.9 m. The total mass of the bag is m…

A: Given,Height, h = 22.9 mMass, m = 620.0 gSpecific heat, c = 130 J/kgKWe know that, 1 J = 1 kg m2/s2⸫…

Q: 20.0 g sample of aluminum (specific heat = 0.902 J g-1 C-1) with an initial temperature of 48.6C…

A: Given that: Mass of aluminium(m) = 20.0g  Specific heat (C) = 0.902J/g°C Initial temperature(Ti) =…

Q: A 140.0-g sample of water at 25.0°C is mixed with 101.1 g of a certain metal at 100.0°C. After…

A: Specific heat capacity of an element or a compound is equal to the amount of heat released or…

Q: A sample of carbon is burned in a calorimeter. if the calorimeter absorbs 94 J/K during the reaction…

A: Heat absorbed by the calorimeter = + 94 J.K-1 Heat absorbed by universe i.e. heat released by…

Q: A 140.0-g sample of water at 25.0°C is mixed with 129.8 g of a certain metal at 100.0°C. After…

A: The hot metal will release the heat and that is taken by water and gets the equilibrium temperature.

Q: 9) The AH for the solution process when solid sodium hydroxide dissolves in water is 44.4 kJ/mol.…

A: Given Enthalphy  = 44.4 KJ /mol Mass of NaOH = 13.9 g Mass of H2O = 250 g Initial temperature = 230C

Q: A Snickers candy bar has 120 kcals attributed to its fat content. What is this energy in kilojoules…

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Q: A 98.3 g piece of copper (specific heat 0.380 J/g･°C) is heated and then placed into 400.0 g of…

A:

Q: Ices] A 21.0 g sample of pure iron at 85 °C is dropped into 66 g of water at 20. °C. What is the…

A: The given problem can be solved by using the formula given below as; mironCiron∆T = mwaterCwater∆T…

Q: 15. A 3.54 g sample of calcium chloride is dissolved in 346.8 mL of water using a coffee cup…

A: The question is based on the concept of calculation of enthalpy change for the reaction. the net…

Q: The specific heat capacity of lead is 0.13 J/g∙oC. How much heat (in J) is required to raise the…

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Q: The combustion of 0.1559 g benzoic acid increases the temperature of a bomb calorimeter by 2.52°C.…

A:

Q: A 146.3g piece of iron (specific heat = 0.449 J/g°C) is heated with a flame and dropped into a coffe…

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Q: A 137.9 g piece of copper (specific heat 0.38 J/g･°C) is heated and then placed into 400.0 g of…

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Q: How many joules of energy are needed to heat 68 g of aluminum foil from 55°C to 93°C? Aluminum has a…

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Q: A sample of nickel is heated to 99.8 0 C and placed in a coffee cup calorimeter containing 150.0 g…

A: Specific heat capacity of nickel = 0.0444 J g-1 K-1 Specific heat capacity of water = 4.18 J g-1 K-1…

Q: When N2(g) react with O2(g) to form N20(g) according to the following equation, energy is absorbed…

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Q: When a reaction that was known to release 17.55 kJ of heat took place in a calorimeter and…

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Q: 9. Consider the reaction NH4NO; (s) → NH4+ (aq) + NO3- (aq). When 1.25 g of NH,NO3 dissolves in…

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Q: What mass of water could be warmed from 24.7°C to 50.6°C by the pellet dropped inside it? Heat…

A: Energy given up by the pellet is equal to heat capacity multiplied with change in temperature, is…

Q: In an experiment, 138 g of graphite is heated to 90.0°C and then quickly transferred to 150.0 g of…

A: Since whatever heat is lost by graphite, is used by the water and calorimeter. Hence heat lost by…