Answered: Determine the enthalpy of vaporization,…

Determine the enthalpy of vaporization, in kJ/mol, of C H, if 14.5 kJ of heat is needed to vaporize 0.500 moles of C,H, 6' '14

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

See similar textbooks

Related questions

Q: An organic solvent with a molar mass of 56.45 g/mol have a normal boiling point of 45.0 °C and a…

Q: What amount of heat (in kJ), is required to convert 29.3 g of an unknown solid (MM = 83.21 g/mol) at…

Q: What is the expected value for the heat of sublimation of acetic acid, in kJ/mol, if its heat of…

A: As we know that – According to Hess's law of constant heat summation, the heat absorbed or evolved…

Q: Determine the enthalpy of vaporization, in kJ/mol, of C₂H₅OH if 19.7 kJ of heat is needed to…

A: The enthalpy of vaporization, in kJ/mol, of C₂H₅OH if 19.7 kJ of heat is needed to vaporize 0.500…

Q: 2. Pentane C5H12 boils at 36°C at 1 atmosphere pressure. What is the molar heat of vaporization…

A: given, P1 = 1 atm , T1 = ( 273 + 36)K = 309K P2 = 505 torr = (505 x 0.00132) atm = 0.67 atm , T2…

Q: 3.2 Propane (CH) has a normal boiling point of-42.0°C and a heat of Vaporization (Ham) of…

A: The expression of Clausius – Clapeyron equation is shown below: Where; P1 = vapor pressure at…

Q: 1. The enthalpy of fusion for Hg is 2.29 kJ/mol. What is the energy change when 78.0g of Hg melt at…

A: Given: The enthalpy of fusion for Hg = 2.29 kJ/mol We have to calculate the energy change when 78.0g…

Q: The molar heat of vaporization of water at 25 °C is +43.9 kJ/mol. How many kilojoules of heat would…

A: Given, The molar heat of vaporization of water at 25°C is +43.9 kJmol

Q: An organic solvent with a molar mass of 56.45 g/mol have a normal boiling point of 45.0 °C and a…

A: According to the question we have, Mass of liquid is given by = 24.0 g Specific heat capacity of the…

Q: It was determined that 63.5 kJ of heat is needed to vaporize enough aniline (CsHsNH2) liquid at its…

A: First of all, we need to calculate the number of moles of aniline which is vaporized. Volume of…

Q: A substance has an enthalpy of vaporization of 34.56 kJ/mol. If the vapor pressure is 63.2 mmHg at…

A: Given:Enthalpy of vaporization (ΔH) = 34.56 kJ/mol.Initial vapor pressure (P1) = 63.2 mmHg.Final…

Q: How much heat is required to evaporate 100.0g of liquid ammonia, NH3, at its boiling point if it's…

A: When a liquid converts into a vapor state it absorbs heat. The amount of heat absorbed when one mole…

Q: The normal boiling point for acetone is 56.5°C. At an elevation of 5600 ft, the atmospheric pressure…

A: INTRODUCTION: we use clausius clapeyron equation that relates the relationship between vapour…

Q: How many grams of ethanol, C,H,OH, can be boiled with 473.1 kJ of heat energy? The molar heat of…

A: Given: Heat energy available, E=473.2kJ Molar heat of vaporization of ethanol, Cv = 38.6kJ/mol To…

Q: The molar heat of vaporization of acetone, C3H,O, is 30.3 kJ/mol at its boiling point. How many…

A: Step 1 is simple find the number of moles of the acetone. Formula = moles = mass / molecular weight…

Q: The heat of vaporization of hexane is 30.8 kJ. mol-1. The boiling point of hexane at a pressure of…

Q: The enthalpy of vaporization of Substance X is 27.0 and its normal boiling point is 139. °C.…

A: The vapour pressure of substance at 57 degree is

Q: How many J of energy must be removed when 126.0 g of steam, at a temperature of 163.0°C, is cooled…

Q: How many grams of ice at -5 degrees C must be mixed with 50g of water at 35 degrees C to reach an…

A: We are given with amount of water at 35°C i.e. 50 g And are asked to calculate the amount of water…

Q: Calculate the quantity of energy required to vaporize 175 mL of CH3CH2OH at 25 °C. The density of…

A: Given: Density of CH3CH2OH = 0.790 g/mL Volume of CH3CH2OH =175 mL Vaporization enthalpy = 30.8 kJ/…

Q: The heat of vaporization for CH4 is 152 cal/g. How much heat is needed (in calories) to vaporize 0.4…

A: The heat of vaporization for CH4 is = 152 cal/g The amount of heat is needed (in calories) to…

Q: an unknown liquid has a heat of vaporization of 38.17kj/mole. if the normal boiling point is 80,…

A: The vapor pressure can be calculated by using Clausius Clapeyron equation, which is given as,

Q: Enthalpy of vaporization of CF2C12 at its normal boiling point of -29.2 °C is 20.25 kJ mol-1…

Q: Determine the enthalpy of vaporization, in kJ/mol, of CH3OH if 19.0 kJ of heat is needed to vaporize…

A: The enthalpy of vaporization (ΔHvap), also known as the heat of vaporization, is the amount of…

Q: How much energy is required to vaporize 188 g of butane (C 4H 10) at its boiling point, if its ΔH…

Q: Molar Heat of Vaporization H,O 40.7 kJ/mole NH, 23.4 kJ/mole Water and ammonia have different molar…

A: The amount of heat required to convert one mole of liquid to vapor form is called molar heat of…

Q: efer to the diagram below. 2. What are the necessary conditions for this material to sublime? How…

A: Sublimation is when a material changes from a solid state to a gaseous state without passing through…

Q: A 4.7-L sealed bottle containing 0.33 g of liquid ethanol,C₂H₆O, is placed in a refrigerator and…

Q: Determine the enthalpy of vaporization, in kJ/mol, of C₆H₁₄ if 14.5 kJ of heat is needed to vaporize…

Q: To what temperature would you have to heat carvone, an oil giving spearint its odor,(l) to cause its…

Q: 11.4 If 42.0 kJ of heat is added to a 32.0-g sample of liquid meth- ane under 1 atm of pressure at a…

A: Heat (q1) needed to raise the temperature from -170oC(103 K) to boiling point -161.5 oC (111.5 K)can…

Q: 19. Which of the following liquids would exhibit the highest vapor pressure at 25.0*C?

A: Step : 1 The required answer for the question is follows as :

Q: H8. The enthalpy of vaporization of benzene, C6H6(l) is 33.9 kJ/mol at 298 K. How many liters of…

A: Given

Q: An organic solvent with a molar mass of 56.45 g/mol have a normal boiling point of 45.0 °C and a…

A: Mass of solvent = 24.0g Molar mass of organic solvent = 56.45g/mole Number of moles = Mass / Molar…

Q: 3. The vapor pressure of ethanol is 100 mmHg at 34.9°C. What is the vapor pressure at 63.5°C? (AHvap…

Q: What is the molar heat of vaporation (ΔHvap) in kJ/mol of a liquid that has a vapor pressure of 641…

Q: The vapor pressure of liquid HF is 339.6 mmHg at a temperature of 271.7 K. The enthalpy of…

A: The relationship between the vapour pressures at different temperature is given by clausius…

Q: (Q43) The normal boiling point of acetone is 56.1°C and its AHvap at its boiling point is 29.1…

A: Given: Boiling point of acetone = 56.1oC ∆Hvap = 29.1 kJ/mol To determine Vapour pressure (atm) at…

Q: The vapor pressure of acetone (CH3COCH3) at 25oC is 228 torr. If the boiling point of acetone at…

A: Given : Vapour pressure at 25 oC = 228 torr And boiling point temperature at 1.00 atm i.e 760 torr =…

Q: What is the vapor pressure of ethanol at 55 degrees C ? The boiling point is 78.4 degress C and the…

A: Given:Enthalpy of vaporization (ΔH) = 42.3 kJ/mol.Vapor pressure (P1) = 760 mmHg (normal boiling…

Q: The normal boiling point for acetone is 56.58C. At an elevation of 5300 ft, the atmospheric pressure…

A: Given : The normal boiling point of acetone = 56.68 oC Atmospheric pressure at elevation = 630 torr…

Q: • At its boiling point (-61 C), what mass of H2S is vaporized with 100 kJ? The AHvap of H2S, is 18.8…

A: Given : Heat used = 100 KJ And ΔHvap = 18.8 KJ/mol

Q: The vapor pressure of acetone (C3H6O) are 400 torr at 39.5 oC and 760 torr at 56.5oC. Determine the…

A: The molar enthalpy of vaporization is related to the corresponding temperature and pressure values…

Q: What is the heat of vaporization(kj/mol) if it takes 3452 J of heat to completely vaporize 2.68…

A: Consider the given information is as follows; Heat of vaporization = 3452 J = 34521000 kJ=3.452 kJ…

Q: 6. The heat of vaporization for methane (CH) is 9.2 kJ/mol. How many kJ of heat energy are required…

A: Concept is based on molar enthalpy.

Q: How much energy is required to vaporize 178 g of butane (C 4H 10) at its boiling point, if its ΔH…

A: · m=Mass of Butane C4H10 = 178 g· ∆Hvap=Enthalpy of vaporization = 24.3 kJmol We need to calculate…

Q: Ethanol 1C2H5OH2 melts at -114 °C and boils at 78 °C.The enthalpy of fusion of ethanol is 5.02…

A: (a)Given, The enthalpy of fusion of ethanol is 5.02 kJ/mol. The enthalpy of vaporization of ethanol…

Q: How much energy is needed to turn 10.0 g of water at 25°C to steam ( = 6.01 kJ/mol; = 40.76 kJ/mol;…

Q: Determine the enthalpy of vaporization, in kJ/mol, of CH₃OH if 19.0 kJ of heat is needed to vaporize…

Q: 5. To vaporize 1.75 g of acetone, (CH;),CO, at 298K, 767 J of heat is required. What is the enthalpy…

Concept explainers

Thermochemistry

Thermochemistry can be considered as a branch of thermodynamics that deals with the connections between warmth, work, and various types of energy, formed because of different synthetic and actual cycles. Thermochemistry describes the energy changes that occur as a result of reactions or chemical changes in a substance.

Exergonic Reaction

The term exergonic is derived from the Greek word in which ‘ergon’ means work and exergonic means ‘work outside’. Exergonic reactions releases work energy. Exergonic reactions are different from exothermic reactions, the one that releases only heat energy during the course of the reaction. So, exothermic reaction is one type of exergonic reaction. Exergonic reaction releases work energy in different forms like heat, light or sound. For example, a glow stick releases light making that an exergonic reaction and not an exothermic reaction since no heat is released. Even endothermic reactions at very high temperature are exergonic.

Question

100%

Determine the enthalpy of vaporization, in kJ/mol, of C̟H, if 14.5 kJ of
heat is needed to vaporize 0.500 moles of C̟H,
MacBook Pro
esc
888
@
2$
&
1
2
3
5
6
7
Q
W
T
S
F
G
H.
K
C
V
M
* 00
B
Al

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 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

Dry nitrogen gas (100.0 L) was bubbled through liquid ethanol, C2H5OH, at a given temperature and the evaporated ethanol condensed; its mass was then measured. Using the data below, calculate the heat of vaporization (kJ/mol) of ethanol?
How much energy is removed when 433 g of steam (MW = 18.02 g/mol) is cooled to 70.0 °C? ΔHfusion = 6.01 kJ/mol, heat capacity = 75.3 J/(mol °C), and ΔHVAP = 40.6 kJ/mol.
Formula: C3H6OMelting Point: -94.0°CBoiling Point: 56.0°CDensity of liquid: 0.791 g/mLHeat of Fusion: 98.14 J/gHeat of vaporization: 538.9 J/gSpecific heat capacity (solid): 1.653 J/g°CSpecific heat capacity (liquid): 2.161 J/g°CSpecific heat capacity (gas): 1.291 J/g°C How much heat is involved in taking 165.2 g of acetone from 14.7°C to 52.1°C?
When two different liquids are mixed or when a gas or solid is dissolved in a liquid, bondsare broken between neighbouring molecules (or sometimes atom) in the feed materials,and new bonds are formed between neighbouring molecules (or ions) in the productsolution. i. Briefly distinguish between heat of solutions and standard heat of formation of solution.ii. Consider solid X is to be dissolved in solvent Y. If Δ?? °is the heat of formation of X(s),using the appropriate notations, write an equation to calculate the standard heat of formation of solution that contains 5 mol of X in 100 mol of Y at 25°C, relative to X and Y.
The heat of vaporization for 1.0 mole of water at 100.°C and 1.0 atm is 40.55 kJ/mol. Calculate DS for the process H2O(l) -> H2O(g) at 100.°C.
How much heat must be removed from a 90.5 g sample of benzene (M = 78.11 g mol-1) to cool the sample from 305 K to 215 K? The following physical data may be useful.ΔfusH = 9.8 kJ mol-1ΔvapH = 30.8 kJ mol-1Cs(l) = 1.73 J g-1 K-1Cs(s) = 1.51 J g-1 K-1Cs(g) = 82.4 J g-1 K-1 Tm = 279.0 KTb = 353.3 K Note: The word 'removed' in the question already accounts for the negative sign involved in the heat transfer. Express your answer to three significant figures.
Calculate the wirk done in Joules when 3 moles of water vaporize at 1.0 atm and 100ºC. Assmune the colume of liquid water is negligible compared with that of steam at 100ºC, and ideal gas behavoir. R= 0.0821 Latm/molK.
5. The literature value for the heat of fusion of ice is 6.02 kJ/mole. What is the percent error for the experimentally determined heat of fusion?
As some of you know, I am an aficionado of Starbuck's Steamed Milk, Venti size. Steamed milk is made by passing superheated steam into a stainless steel container containing the milk. Assume that the stcam is at 25C,L-$40 calories/gram, and the specific heat of steam is 0.500 calories/gram/degree C. Also assume that the milk is at 5°C and that 750 ml of milk represent the Venti size. The stainless steel container can be considered to have a mass of 400. grams and a specific heal capacity of 0.600 Jgram/K. If the density of milk is its specific heat is 4.184 Vgram/K, how many grams of steam does it take to raise the milk's temperature to a comfortable 65 C? Thank you for your help!
6 .If 2.1g of 100.0C steam begins to condense on a container of liquid water at 25.0C and they eventually reach the same temperature of 46.7C what was the mass of liquid water in the container? *Assume all heat from the steam cooling goes into the liquid water.*
1. Instant hot packs work by crystallizing sodium acetate (NaCH3COO). The molar enthalpy of crystallization for sodium acetate is -56.7 kJ/mol. How many grams of sodium acetate are needed to warm 125.0 mL of water from 21.0°C to 35.4°C?
Under normal atmospheric pressure, nitrogen boils (and condenses) at -196oC. When 7.7 g of nitrogen gas at -196oC was put into a dewar flask initially at -260oC, their temperatures reach -210oC. The specific heat capacity and heat of vaporization of nitrogen are 1.04 J/g-oC and 200 J/g. Based on the system described above, is the following statement true or false? The heat effects on nitrogen include both latent and sensible heats.