What would be the final temperature of the system if 29.3 g of lead at 110 ◦C is dropped into 13.3 g of water at 25.1 ◦C in an insulated container? The specific heat of lead is 0.128 J/g◦C

Q: A sample of metal weighing 9.323 g was heated to 99.15 °C. It was then placed in a calorimeter…

A: Given data, The mass of water = 35.5 g The mass of metal = 9.323 g The initial temperature of  H2O =…

Q: 240 g of water (initially at 20 o C) are mixed with an unknown mass of iron (initially at 500 o C).…

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Q: .32 The material typically used to heat metal radiators is water. If a boiler generates water at…

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Q: The specific heat capacity of lead at 25°C is 1.290×10-1 J/g/K. Answer the following: (a) For a…

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Q: What is the heat capacity of mercury in J⋅mol−1⋅∘C−1?

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Q: When 1 mol of CS₂(l) forms from its elements at 1 atm and 25C, 89.7 kJ is absorbed, and it takes…

A: The enthalpy change of the following reaction is ∆H1. The enthalpy change of the following reaction…

Q: If 41,200 J of energy is required to raise the temperature of 120.0 g of a liquid by +73.4 °C, what…

A: In this question, we will determine the specific heat of the Solution.  You can see details step by…

Q: When 20 g. of Aluminium is heated from 90oC to 115oC, 105 calories is required. What is the molar…

A: The molar heat capacity of aluminium is 5.6658 cal/mol°C.

Q: A chemist carefully measures the amount of heat needed to raise the temperature of a 0.24 kg sample…

A: Given: Mass of sample : 0.24 kg Initial temperature = 33.8oC Final temperature = 43.9oC Heat needed…

Q: Suppose 32.1 g ClF3(g) and 17.3 g Li(s) are mixed andallowed to react at atmospheric pressure and…

A: When reactants react in a chemical reaction, they react by according to their stoichiometry. A…

Q: 5) When 45.0mL of 1.20M sulfuric acid (H2SO4) are added to 130.0mL of 1.00M sodium hydroxide, the…

A: 5. Given:…

Q: Ethanol (C2H5OH) is blended with gasoline as an automobilefuel. (a) Write a balanced equation for…

A: a. The equation for the combustion of ethanol would be: C2H4OH + 3O2 ---------------> 2CO2 + 3H2O…

Q: A 1.800-g sample of phenol 1C6H5OH2 was burned in a bombcalorimeter whose total heat capacity is…

A: Given: Phenol 1 mole of C6H5OH2 was burned in a bomb calorimeter.

Q: Help with q=mcchange in temp ?

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: 5.115 A quantity of 50.0 mL of 0.200 M Ba(OH)2 is mixedwith 50.0 mL of 0.400 M HNO3 in a…

A: The balanced chemical equation is given as, BaOH2(aq)+2HNO3aq→BaNO32aq+2H2Ol The required amount of…

Q: 5.138 Metabolic activity in the human body releasesapproximately 1.0 × 104 kJ of heat per day.…

A: Given data: Mass of the body = 55kg Heat released by human body = 1.0×104 Heat of vaporization of…

Q: A 0.5865-g sample of lactic acid (HC3H5O3) reacts with oxygen in a calorimeter whose heat capacity…

A: Mass of lactic acid = 0.5865 g Heat capacity  of lactic acid , C =4.812kJ/°C Initial temperature T1…

Q: 60 g of 95°C espresso coffee was mixed with 185 g of 70°C milk. What is the final temperature of the…

A: Given, For coffee Mass of coffee (mcoffee) = 60 g Specific heat capacity of coffee (scoffee) = 4.19…

Q: The combustion of exactly 1.000 g of benzoic acid in a bombcalorimeter releases 26.38 kJ of heat. If…

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Q: An engineering student wants to study the heat transfer between a 50 g of heated block of iron (cFe…

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Q: In a gas expansion,  9.0  ×  101  J of heat is absorbed by the system, and the energy of the system…

A: According to the first law of thermodynamic;

Q: Calculate the value of ΔH (in kJ) for the reaction, 2AR3 (g) + Q (s) → A2R4 (g) + QR2 (s) given…

A: According to law of Laplace and Lavoisier: If any thermochemical balanced reaction is reversed, then…

Q: The reaction of iron with hydrochloric acid is represented by the following thermochemical equation.…

A: Answer :-  e. 0.397(L) Volume of H2 gas produced at STP = 0.397 L…

Q: A 126 g metal bar requires 2.50 kJ to change its temperature from 25.5 oC to 100.0 oC. What is the…

A: The energy required by  a metal to increase its temperature is given by  Q = m Cp ΔT where m = mass…

Q: Part C at A piece of metal weighing 5.50 g at a temperature of 47.8 °C was placed in a calorimeter…

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Q: a) Consider the reaction B2H6(g) + 3 O2(g) → B2O3(s) + 3 H20(g) AH = -2035 kJ How much heat is…

A: Formula used :- Q = mCpdT  Where m is mass , Cp is specific heat capacity and dT is change in…

Q: Consider the following reaction: 2C6H6() + 15 O2(g)- 12 CO2(g) + 6 H20() AH = -5.869 x 103 kJ An…

A: Each reaction takes place account to their stoichiometric radio and account to those things the heat…

Q: A 27.24 g27.24 g sample of a substance is initially at 26.6 ∘C26.6 ∘C . After absorbing 496 cal496…

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Q: he gross heat of combustion for ethyl alcohol (C2H5OH) is -1,370 kJ/mol. What is its standard…

A: Solution -

Q: A minor route for ozone destruction in the ozone hole involves Mechanism II with bromine as X' and…

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Q: According to the following thermochemical equation, if 586.9 g O, is formed how much heat is…

A: Answer - According to the question - Given reaction  CO2 +(g) + 1/2H2O (l) ----- -> 1/2 C2H2 (g)…

Q: A piece of metal weighing  5.10 gg   at a temperature of  48.5 ∘C∘C   was placed in a calorimeter in…

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Q: Calculate the value of ΔH (in kJ) for the reaction, 2AR3 (g) + Q (s) → A2R4 (g) + QR2 (s) given…

A: The enthalpy of reaction of given equation can be find using Hess's law of thermodynamics.…

Q: A sample of aluminum with a mass of 53.4 g is initially at 156 ∘∘ What is the temperature of the…

A: Specific heat (C) :-  The amount of heat required to raise the temperature of 1 gram of a substance…

Q: A 1.211 g of benzoic acid (CH§ COOH) was ignited in pure oxygen gas and the heat released from the…

A: Here's a step-by-step explanation:1. **Understanding the System**: We have benzoic acid (C6H5COOH)…

Q: 9. Use the following thermochemical equations as needed to find the heat of formation of diamond:…

A: Given equations are : 1). C (diamond) +  O2 (g)  --------> CO2 (g) , ΔH1 = -395.4 KJ  2). 2CO2…

Q: Part D A1.6 kg block of iron at 28 °C is rapidly heated by a torch such that 18 kJ is transferred to…

A: Given that,  Weight of Iron block m = 1.6 Kg Initial temperature of iron block Ti, i = 28°C Final…

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: Given the following hypothetical thermochemical equations: 2QJ3 (g) + 3Q2X (g) → 4Q2 (g) + 3J2X (l)…

A: 2QJ3 (g) + 3Q2X (g) --->  4Q2 (g) + 3J2X (l)            ΔH = -1074.4 kJ 4QJ3 (g) + 3X2 (g)…

Q: A 58-g copper calorimeter (sp. ht. = 0.093 cal / g.oC) contains 260 g of water at 20 oC. When 78 g…

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Q: How much heat (in kJ) is needed to raise the temperature of 40.0 grams of AsBr₃(g) 20.0˚C?

A: Specific heat capacity for AsBr3 -1

Q: A 2.62E1 g sample of aluminum at 1.008E2 °C is added to 1.002E2 g of water at 2.22E1 °C in a…

A: For a chemical reaction or physical process to occur a certain amount of energy should be furnished…

Q: How many JJ of heat are needed to raise the temperature of 88.0 gg of octane from 12.0 ∘C∘C to 25.2…

A: Heat capacity is amount of heat required to increase the temperatures one gram of substance by one…

Q: 7.) Use the following thermochemical equations as needed to find the heat of formation of diamond:…

A: We can solve this problem using this concept, Graphite and diamond are in equilibrium state at their…