8g of alcohol is burned while heating 200 gr of water from 20°C to 80°C on a Bunsen burner. What per- cent of the heat from the combustion of alcohol is used in heating the water? (Take qalcohol= 30 MJ/kg) %3D

Q: A 2.0 kg block of aluminum (specific heat capacity = 0.897 J · g¯.°C¯1)at 935 °C is dropped into 1.5…

A: When two substances at different temperatures come in contact, there will be a heat transfer from…

Q: 3. A 1 g sample of octane (C3H18) is burned in a bomb calorimeter containing 1200 grams of water at…

A:

Q: Calculate the enthalpy change for the combustion of 35.5 g gaseous propane (C3H8). C3H8 (g) + 5 O2…

A: Given, Mass of propane = 35.5 gMolar mass of propane = 12×3 + 8×1 g = 44 g∴ Moler of prepane =…

Q: 5.000 g of Compound X with molecular formula C,H, are burned in a constant-pressure calorimeter…

A: When a molecule combusted, it produces heat. In calorimeter set up, this liberated heat is used to…

Q: 14.00 g of Compound X with molecular formula C,H are burned in a constant-pressure calorimeter…

A:

Q: Write a balanced equation for the combustion of C3H8(g) (propane)-- i.e. its reaction with O2(g)…

A: The combustion reaction is shown as,

Q: The complete combustion of 1 mole of acetone (C3H6O) releases 1790 kJ of heat: C3H6O + 4 O2 → 3 CO2…

A:

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 /…

Q: 5. Write a balanced thermochemical equation for the heat of combustion of gaseous ethylene, C2H4,…

A:

Q: The enthalpy of combustion of ethane gas, C2H6(g), is about -1.5*10^3 kJ/mol. When ethane reacts…

A: Ans

Q: Hi, can you answer this question, thanks A 2.69 g sample of oleic acid (C18H34O2), a common…

A: The heat capacity is calculated as,

Q: 5.35 A 6.22-kg piece of copper metal is heated from 20.5°Cto 324.3°C. Calculate the heat absorbed…

A: Given :  Mass of copper metal = 6.22 Kg   initial temperature = 20.5°C  final temperature = 324.3°C…

Q: The heat capacity of a bomb calorimeter was determined by burning 6.79 g methane (energy of…

A: Given: Mass of CH4 combusted = 6.79 g. Heat of combustion of CH4 = -802 KJ/mol. And the change in…

Q: 1. Ethanol weighing 3.56 g is burned in a constant-volume bomb calorimeter. Consequently, the…

A: Heat released by 3.56 g ethanol at constant volume , ∆E = C∆T…

Q: Suppose you burned 1.549 g of benzoic acid, C6H5 CO2 H, in a constant volume calorimeter and found…

A:

Q: A CHM student completing the calorimetry experiment mixes 20.0 mL of 1.10 M HCl (aq) with 20.0 mL of…

A:

Q: 5. A spirit burner used 1 g methanol to raise the temp of 100 g of water in a metal can from 28° to…

A: Here we are required to heat of Combustion for 1 g of methanol

Q: 9.000 g of Compound X with molecular formula C,H, are burned in a constant-pressure calorimeter…

A: Given that the 9.000 g of compound X with a molecular formula of C4H8 is burned in a constant…

Q: 5.000 g of Compound X with molecular formula C,Hg are burned in a constant-pressure calorimeter…

A: heat of formation is the heat released when a mole of compound is formed from the constituent…

Q: 5.000 g of Compound X with molecular formula C,H, are burned in a constant-pressure calorimeter…

A: Introduction: The amount of heat required by a one mole of substance to raise the temperature to a…

Q: 2N2OH + H2S04 2H2O + Na2SO4 -> AH = -112 kJ %3D What is the heat change for the reaction when the…

A: Given: ∆H = -112 kJ

Q: Given the following thermochemical equations and the corresponding enthalpy change for eachteada…

A:

Q: pitiosge ertl a54 pll 81.A bns noituloa ent l HA 1.02grams of Mg was reacted with excess 1 M HCI…

A: We will use the formula, q=m×c×∆T Where, q= change in heat c=specific heat ∆T = change in…

Q: According to chemistry textbooks, the basic reaction of carbon combustion (per mole of C) is: C+ 02…

A: Given: Released heat from one mol carbon = 95 kilocalories  Standar data: The molar mass of…

Q: Coconut oil is primarily composed of lauric acid (C12H24O2) which melts at 48.0 ∘C. Lauric acid has…

A:

Q: The combustion of 2.067 g of propanol (C, H,OH) increases the temperature of a bomb calorimeter from…

A: Given : Mass of C3H7OH combusted = 2.067 g Initial temperature of calorimeter = 298.00 K Final…

Q: How much heat in kJ is evolved or absorbed?  Burning of 15.5g of propane:  C3H8(g) + 2 H2O (l) -->…

A:

Q: Calculate how much propane C3H3 (in grams) is needed in a combustion reaction to heat 8.00 L of…

A: Energy produced during the combustion of C3H8(g) is use for heating the water from 12 oC to 100 oC.…

Q: The value of ΔH° for the reaction below is -6535 kJ. ________ kJ of heat are released in the…

A:

Q: The thermochemical equation for the combustion of methanol is given below. CH3OH (l) + 3/2 O2(g) ->…

A: During the combustion of methane, it reacts with oxygen to form carbon dioxide and water. The…

Q: The complete combustion of ethanol, C2H5OH1l2, to formH2O1g2 and CO21g2 at constant pressure…

A: The explanation and the diagram is as given below:

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

A: Given: number of days = 5 mass of water needed each 1 day = 4.0 kg mass of water needed each 5 day =…

Q: Lightweight camping stoves typically use white gas, a mixture of C5 and C6 hydrocarbons. Calculate…

A: Given: ∆Hocomb=-3535 kJ/molmass of C5H12=1.30 kg

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

A:

Q: What mass of methane must be burned in order to liberate 12705 kJ of heat? Standard Enthalpies of…

A: We have to produce 12705 KJ of heat  . We have to tell how much methane has to be burnt in order to…

Q: 13.00 g of Compound X with molecular formula C,H, are burned in a constant-pressure calorimeter…

A: Mass of Compound X = 13 g Molar mass of C5H6­ = 66.1 g/mol Mass of water = 20 kg or 20,000 g All the…

Q: A 55.00 gram pellet of lead at 25°C is added to 58.5g of boiling water (specific heat of 4.18 Jg1°C)…

A:

Q: In the laboratory a student burns a 0.551-g sample of 2- naphthylacetic acid (C12H1002) in a bomb…

A: In this problem, applying law of calorimetry is the basic concept. Using this all kind of related…

Q: Natural gas burns in air to form carbon dioxide and water, releasing heat. CH4(g) + O2(g) → CO2(g)…

A: Given : Mass ( m ) = 23 gram Temperature (∆T) = 32°C   Find mass of CH4 = ??

Q: Ammonia reacts with oxygen according to the equation: 4NH3(g) + 502(g) → 4NO(g) + 6H2O(g), AHrxn =…

A: The heat associated with complete reaction of 155g NH3 is given below

Q: The complete combustion of ethanol, C2H5OH(l), to formH2O(g) and CO2(g) at constant pressure…

A: Balanced chemical equation of a reaction is written according to law of conservation of mass.…

Q: The molar heat of combustion of naphthalene (mol wt = 128.17 g/mol) is -1128.2 Kcal/gmol. If 0.300 g…

A: Given data for naphthalene   molar heat of combustion for naphthalene  =-1128.2 Kcal/mole molar mass…

Q: 14.00 g of Compound X with molecular formula C,H, are burned in a constant-pressure calorimeter…

A: Given that, We have a 14.00 g of compound X with molecular formula C3H4 This compound is burned in a…

Q: 12.00 g of Compound X with molecular formula C,H10 are burned in a constant-pressure calorimeter…

A:

Q: A sample of natural gas is 80.0% CH4 and 20.0% C2H6 by mass. What is the heat from the combustion of…

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Q: A 500.0 g sample of an element at 153.0 C is dropped into an ice-water mixture. 109.5g of ice melts…

A: Answer:   Let's have the information that: Specific heat capacity of ice: 2.03 J/g-°CSpecific heat…

Q: 12.00 g of Compound with molecular formula C4h8 are burned in a constant-pressure calorimeter…

A: To calculate, the amount of heat released or absorbed for a process, the equation used is:…

Q: 2. To warm 400.0 grams of water, 0.050 mol of ethanol (C2H50H) is burned. The water warms from…

A: The weight of water is 400 g. The given temperature values are 24.6 ˚C and 65.6 ˚C. The constant…

Q: 2. Write the balanced equation for the combustion of nonane, C9H20(g) to CO2(g) and H2O(g). If AH =…

A: Given : enthalpy change for the reaction = -5600KJ/mol