Why does it seem that the heat of combustion is higher with substances of greater molecular weights? How do the intermolecular forces affect the heat of combustion? Lastly, are there other factors which affect the heat of combustion?

Why does it seem that the heat of combustion is higher with substances of greater molecular weights? How do the intermolecular forces affect the heat of combustion? Lastly, are there other factors which affect the heat of combustion?

Living By Chemistry: First Edition Textbook

1st Edition

ISBN:9781559539418

Author:Angelica Stacy

Publisher:Angelica Stacy

ChapterU5: Fire: Energy , Thermodynamics, And Oxidation-reduction

Section: Chapter Questions

Problem 8RE

See similar textbooks

Related questions

Q: What kind of intermolecular forces act between a dichlorine monoxide molecule and a carbon monoxide…

Q: Why does water have a higher heat of vaporization thandiethyl ether?

A: The reason why water has higher heat of vaporization when compared to diethyl ether.

Q: Consider the following two alkanes: C3H12 (pentane) C,H10 (butane) (a) Which would have the lower…

A: "The boiling point of a substance is the temperature at which the vapor pressure of a liquid equals…

Q: How much heat is required to melt 23.9 g of solid diethylether (at its melting point)?

Q: What types of intermolecular forces are present in the following compound?

A: The Intermolecular force present in Naphthalene is given as:

Q: Which intermolecular force(s) do the following pairs of molecules experience? (Consider asking…

A: The intermolecular attractive force which appear due to dipole- dipole interaction between the more…

Q: Given the following samples: hexane, dimethyl ether, and 1-hexanol Which is held together by…

A: Intermolecular forces of attraction present in different molecules are as follows; Dipole-dipole…

Q: How much heat would need to be removed to cool 50.3 g of water from 25.6°C to -10.7°C? Csolid =…

A: Mass of water = 50.3 g In the conversion of water from 25.6 ◦C to – 10.7 ◦C there is following steps…

Q: what are the types of hydrogen bonding? give examples.

A: Hydrogen bonding is the bond between hydrogen formed between hydrogen and most electronegative atoms…

Q: What kind of intermolecular forces act between a fluoride anion and a nitrosyl chloride (NOCI)…

A: The force acting between the different molecules is intermolecular forces. An example of…

Q: How much heat must be absorbed to warm 25.0g of liquid methanol (C= 2.53 J g/k) from 30° to its…

A: Heat required to rise the temperature of methanol, Q1 = mc∆T , c = 2.53 J/gm.K, m = 25 gm, ∆T =…

Q: CH3F (l) N(CH3)3 (l) CH4(l) CH3OCH3 (l) CH3OH (l) which intermolecular forces are present in…

Q: Calculate the energy required to vaporize 65.0 ml of ethanol (C,H,OH). (Density ethanol = .789 g/ml)…

Q: Enthalpy change during sublimation is equal to the total enthalpy changes of which processes?

A: Sublimation is a direct conversion of solid into vapour. (solid ---> vapour) . It can be written…

Q: Which is an example of a non-contact force? A. Awoman pulls open a door. B. A magnet pulls an item…

A: To find: An example of non-contact force

Q: Given the following samples: butane, diethyl ether and butanol Which is held together by H-bonding?

A: H - bonding = when hydrogen atom comes between most electronegative atom such as fluorine, oxygen…

Q: Evaporation of sweat requires energy and thus take excess heat away from the body. Some of the water…

A: Heat required to raise the temprature of water from 3.8°C to 36.6°C is given by , Q = ms∆T ,where m…

Q: How does the heat of fusion of chloroform and the heat of fusion of propane compare? Why?

A: Heat of Fusion : It is a energy ot heat needed to Convert solid substance into liquid substance at…

Q: List all intermolecular forces that would be present in the condensed states of matter for the…

A: The boiling point of the organic compound depends on the intermolecular forces present in the…

Q: The state/s of water that exist at 100°C is/are (multiple answers are allowed) Liquid Gas…

A: There are three phases of matter. The phase of matter can be interchanged by changing the…

Q: (a) Which type of intermolecular attractive force operatesbetween all molecules? (b) Which type of…

A: (a) This attractive interaction is called the dispersion force which operates between all atoms,…

Q: A substance with a molar mass of 187.63 g mol−1 has the following thermochemical properties: cliquid…

Q: latent heat of fusion, why the amount of ice you have will have an impact on the measured latent…

A: Calorimetry is a process of measuring changes in state variable of a body for a purpose of deriving…

Q: When’s molecular compound melts, there is no temperature change because the heat energy is used to:

A: Answer

Q: Is there any importants to the extra given information such as the molar mass of Ethanol (46.07…

A: To calculate the volume , we need only density formula.

Q: 7.) Use the folowing themochemical 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: Consider octane (C8H18), an active ingredient in gasoline. Octane is a liquid at room temperature…

Q: This topic is about endothermic and exothermic process. Why do you think volatile substances, like…

A: In this question, we want to discuss about cooling effect of volatile substances like acetone and…

Q: t types of forces,

Q: What quantity of heat, in kJ, is required to convert 28.0 g of ethanol (C₂H₅OH) at 23.0°C to a vapor…

A: Concept: The branch of chemistry that deals with the structure, properties and the reaction of the…

Q: From the data below, calculate the total heat (in J) needed to convert 0.322 mol of gaseous ethanol…

A: In the given process, The gaseous ethanol will be cooled from 300°C to boiling point temperature.…

Q: Where is the intermolecular force in the image below? A H-N-H H-N-H B H. a Both None of the above

A: Correct answer is (A). Intermolecular force is between two molecules and it is denoted by dotted…

Q: What types of intermolecular forces are exhibited by each compound?

Q: London Dispersion forces are present in all molecular bonding. O False True

A: London dispersion forces are the intermolecular force of attraction present in the molecules of…

Q: convert 41.0 g of ethanol (C₂H₅OH) at 23.0°C to a vapor at 78.3°C (its boiling point)? (specific

A: We have to find heat, in kJ, is required to convert 41.0 g of ethanol (C₂H₅OH) at 23.0°C to a vapor…

Q: What type of intermolecular forces do you expect between the following molecules?

A: Types of intermolecular forces (IMF's) : A. Dispersion forces : these forces are present between…

Q: Determine the type/s of intermolecular forces of attraction that is pointed by the arrows. List down…

A: The intermolecular forces that will act in given molecules are as follows: 1. BLUE ARROW: LONDON…

Q: Isopropanol is a liquid at room temperature. It is dangerous to heat volatile liquids over a Bunsen…

Q: What kind of intermolecular forces act between a dichlorine monoxide molecule and a chloroform…

Q: What is/are the effect(s) of impurities on the boiling point of a compound?

Q: A 0.544 g sample of steam at 103.3 ∘C is condensed into a container with 5.90 g of water at 14.2 ∘C.…

Q: Why do ethanol and dimethyl ether have such different properties even though they have the same…

A: Ethanol (CH3CH2OH) and Dimethyl ether (CH3OCH3) have same molecular formula that is,C2H6O. Both…

Q: What force(s) is(are) responsible for the higher heat of vaporization of acetone compared to…

A: Heat of vaporization is how much energy is needed to separate the bonds in a molecule.

Q: What intermolecular forces are present in a pure sample of chloroform (CHCl3)?

A: Intermolecular forces are present in a pure sample of chloroform CHCl3 having tetrahedral geometry…

Q: Identify the intermolecular forces of each molecule (e and f) and rank them highest (1) to lowest…

Q: How many joules of heat are required to heat 24.5 g of ethyl alcohol from the prevailing room…

A: Using the relation Q=mCΔT , heat requred can be calculated.

Q: Use the graph below as reference: What is the boiling point of pure toluene? O a. 110 % O b. 109 %…

A: Given, A phase diagram of toluene and cyclohexane is provided as reference Required,…

Q: compound y has a heat of fusion of 363 J/g the solid form has a specific heat capacity of 0.238…

Q: Using the concept of intermolecular forces, rank the following in order of boiling point from high…

Question

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, chemistry and related others by exploring similar questions and additional content below.

Similar questions

Which requires the absorption of a greater amount of heatâ€”vaporizing 100.0 g of benzene or boiling 20.0 g of water? (Use Table 8.2.)
Why does water have a higher heat of vaporization thandiethyl ether?
Why do ethanol and dimethyl ether have such different properties even though they have the same chemical formula?
. Based on what you have studied about intermolecular forces, predict which of the following liquid has the highest boiling point and why. All three compounds have comparable molecular weights. Butane, C4H10 Propanol, C3H7OH . Acetone, CH3COCH3
Choose the correct answer for the question on the topic of intermolecular forces. Which has the highest Mohs value?
Which of the following alcohols -isopropanol, propylene glycol or glycerol - do you think would have the highest boiling point? Explain.
Which molecule do you expect to have the highest boiling point (bp) and why?
How does the heat of fusion of chloroform and the heat of fusion of propane compare? Why?
From the data below, calculate the total heat (in J) needed to convert 0.267 mol of gaseous ethanol at 300.0°C and 1 atm to liquid ethanol at 25.0°C and 1 atm: b.p. at 1 atm: 78.5°C ΔH° vap: 40.5 kJ/mol cgas: 1.43 J/g·°C cliquid: 2.45 J/g·°C
CH3OH boils at 65*C, while CH3SH boils at 6*C . Which intermolecular force accounts for this difference? Explain.
Why is the amount of heat absorbed by the water not equal to the amount of heat produced by the combustion of benzoic acid sample?
How much heat(in kJ) is absorbed when 75.0g of benzene at -15°C is cooled to 35°C? mp = 5.85°C, c(l) = 1.71 J/g°C,c(s) = 1.51 J/g°C, ΔH(fus) = 9.9 kJ/mol