Directions: Write the correct thermochemical equations of the following.1. 1 mole of liquid titanium (IV) chloride, TiCl4 decomposes to 1 mole of metallictitanium, Ti, and 2 moles of chlorine gas, Cl2. The decomposition requires804J of heat.2. The combination of 4 moles of metallic aluminum, Al, and 3 moles of oxygengas, O2, produces 2 moles of aluminum oxide, Al2O3. This reaction dissipates803.8kcal of heat.a. Is the reaction exothermic or endothermic?b. How much heat is dissipated to produce 6 moles of aluminum oxide?

Answered: Image /qna-images/answer/8753c256-3212-4972-990e-e351becf85ec.jpg

Answered: E thermochemical equations

Science

Chemistry

E thermochemical equations

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: Contrast potential and kinetic energy.

A: There are different forms of energy. The kinetic energy and potential energy are two of them. They…

Q: e shows the number chemical Change C cal Reaction Read of the following state hemical reaction A, b…

A: Types of chemical reaction 1. Chemical combination reaction or synthesis reaction 2. Chemical…

Q: What can be exchanged with the surroundings in an isolated system? Group of answer choices mass and…

A: A isolated system is that system which can neither exchange heat nor mass from surrounding.

Q: A 18.32 g piece of metal absorbs 86.73 J of heat while rising from 28.01°C to 50.52°C. Calculate the…

A: Specific heat :- The amount of heat required to rise the temperature of one gram of a substance…

Q: 21. What is the heat capacity of a substance if it takes 0.50 calorie to heat 0.25 gm of it by 1 °C?…

A: The heat capacity of a substance is to be explained. Concept Introduction Specific heat…

Q: 1. Chemical potential energy is found in the. between atoms and is transformed into energy during…

A: Specific heat of Fe = 0.451 J/g degC Specific heat of Pb = 0.129 J/g degC

Q: A 55.0kg sample of an unknown metal X requires 675kof energy to heat it from 25.0 to 118.0C. What is…

A: The mass of an unknown sample is 55.0 kg. The initial temperature is 25.0˚C. The final temperature…

Q: The heat capacity of a substance _________ with rise in temperature. a. Increases b. Decreases c.…

A: To solve this problem we have to know about heat capacity .

Q: 19. Boiling water on the stove for cooking can be classified as a(n) process. - O endothermic…

A: If ∆H>0, then that will be an endothermic process. If ∆H<0, then that will be an exothermic…

Q: A sample of liquid mercury is heated with an electrical coil. If 32.3 Joules of energy are added to…

A: Since the relationship between the heat added and temperature change is given by Q = mCΔT where Q…

Q: What are Endothermic Processes?

A: The endothermic processes has to be explained.

Q: Aluminium powder is reacted with iron (II) oxide in a crucible in the thermite reaction, producing…

A: A thermodynamic system is a body of matter separated from its surroundings by a defined wall. On the…

Q: Rewrite the equation as thermochemical equations in two different ways to include the heat…

Q: A metal sample weighing 123.00 grams and at a temperature of 97.6 degrees Celsius was placed in…

A: Given,A metal sample of weight 123.00 g at a temperature of 97.6oC is placed in 40.00 g of water at…

Q: At a lower temperature the kinetic energy of the reactants of a chemical reaction is higher. True…

A: Given statement: At a lower temperature the kinetic energy of the reactants of a chemical reaction…

Q: Table 2. Specific heat of common metals Metals Copper Aluminum IV. V. Brass Steel Bronze Results and…

A: Specific heat capacity is the amount of heat energy required to raise the temperature of unit mass…

Q: Calculate the specific heat capacity in the metal in j/g degrees Celsius

A: q = mc∆T q is the amount of heat energy absorbed m is the mass of substance c is the specific heat…

Q: 24. In the specific heat equation, what unit must temperature be? Fahrenheit Kelvin Joules Celsius

A: We know , Specific heat equation is ; q = m × C × ∆T q = heat Absorbed or released m = mass of…

Q: A 36.62 g sample of a substance is initially at 24.8 °C. After absorbing 1921 Jof heat, the…

Q: 16) Which of the following is an exothermic process? A) condensation of water vapor B) Ammonium…

A: Exothermic process is a process in which energy get released during the course of reaction and the…

Q: Which of the following can express the total amount of heat in a sealed, insulated chamber? A) 20.0…

A: the total amount of heat in a sealed, insulated chamber As a form of energy, heat has the unit Joule…

Q: 21. What process transfers thermal energy from the surroundings to the system? Group of answer…

A: Isothermic process is a process where temperature is constant.

Q: Describe how you could determine the specific heat of a sample of a solid substance

A: Specific heat calculated experimentally by bomb calorimeter.

Q: The specific heat of aluminum is 0.214 cal/g·oC. Determine the energy, in calories, necessary to…

A: The specific heat of aluminium is = 0.214 cal/(g·oC) The mass of aluminium is = 55.5 g The increase…

Q: Choose true or false. Heat capacity is a measure of how much heat is absorbed with a given…

A: Is the given statement true or false has to be given.

Q: A 20.8 g piece of metal has a specific heat of 0.52 J/g°C. It was heated to 99.5°C then placed…

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: The internal energy of a system will ALWAYS increase when _______. Select one: a. the system gains…

A: To identify: A condition in which the internal energy of a system will always increase.

Q: If a particular process is endothermic, the reverse process must be a (an): exothermic process.…

Q: 8. What temperature change will result if 600.0 grams of water absorb 1200.0 calories of heat ? M.…

A: According to the law of calorimetry Heat absorbed or released by a system is given by the following…

Q: If a system absorbs heat from its surrounding, the thermochemical process is described as being __.…

A: There are two types of processes defined based on the heat transfer 1) Exothermic 2) Endothermic

Q: When 2.39 g ammonia gas is oxidized over a smooth platinum catalyst to form nitrogen monoxide gas…

A: The reaction for the process is given below : NH3 + O2 →Pt NO + H2O ∆H=41.1kJ We…

Q: How much heat is ____________ evolved/absorbed when 2.22 x 102 moles of Br2 are consumed ? N2…

A: Given reaction is : N2 + 3Br2 --------> 2NBr3 + 44.0 KJ How much heat evolved/absorbed when 2.22…

Q: CaSO4.5H2O + heat → ____ CaSO4(s) + ____ H2O

A: Answer:During the crystallization of a compound, some water molecules remain in the crystal lattice…

Q: Why do people use Calorimetry and discuss it's applications in the medical or engineering world.

A: Calorimetry is used to measure the amount of thermal energy in any chemical or physical processes.

Q: 6. Why can there never be a temperature less than 0 Kelvins? 7. How much heat is absorbed from a…

A: Given data,Mass of mercury=56.0g∆T=289K=289-273=16oCSpecific heat capacity of Hg=0.14J/goC

Q: 6. The temperature of a sample of iron with a mass of 10.0 g changed from 50.4°C to 25.0°C with the…

Q: Cite an analogy that best interpret ENTHALPY

A: ANSWER IS

Q: Но. Cl- AICI3

A: Given find product of following reaction

Q: A mixing experiment is done using 74.23 grams of 82.53 celsius water and 27.44 grams of 41.29…

A: Given: Mass of water sample 1 or hot water = 74.23 g. The initial temperature of water sample 1 or…

Q: Differentiate between the Exothermic and Endothermic processes?

A: Endothermic Reactions: A reaction in which the system absorbs energy from the surrounding in the…

Question

Directions: Write the correct thermochemical equations of the following.
1. 1 mole of liquid titanium (IV) chloride, TiCl4 decomposes to 1 mole of metallic
titanium, Ti, and 2 moles of chlorine gas, Cl2. The decomposition requires
804J of heat.
2. The combination of 4 moles of metallic aluminum, Al, and 3 moles of oxygen
gas, O2, produces 2 moles of aluminum oxide, Al2O3. This reaction dissipates
803.8kcal of heat.
a. Is the reaction exothermic or endothermic?
b. How much heat is dissipated to produce 6 moles of aluminum oxide?

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 by step

Solved in 2 steps with 2 images

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

an a. Aluminum (specific heat capacity of 0.921 J/g°C) b. Copper (specific heat capacity of 0.377 J/g°C) c. Stainless Steel (specific heat capacity of 0.502 J/g°C) From the metals, what is your best guess for the of the metal? temperature of the at as the specific heat of water.
In a calorimetry experiment, which of these two measured values are equivalent to each other?
The specific heat capacity of aluminum is 0.214 cal/g °C.. How many calories of heat are necessary to raise the temperature of a 0.376 kg block of aluminum from 28.0 °C to 47.5 °C? 15.7 cals 0.1570 cals 1570 cals 157.0 cals
39. Which of the following amounts of heat CANNOT be measured by a constant-pressure calorimeter? Group of answer choices heat of neutralization heat of solution heat of dilution heat of combustion
4
19. A regulation college football weighs 440.0g. What is the kinetic energy (in J) of a pass thrown by Mississippi State legend Dak Prescott with a velocity of 20.0 m s-1?
The amount of heat energy needed to raise the temperature of a substance is called itsA) specific heat B) latent heat C) heat of fusion D) caloric content
Explain the other useful thermochemical quantities.
A metal sample weighing 124.00 grams and at a temperature of 95.5 degrees Celsius was placed in 48.00 grams of water in a calorimeter at 20.3 degrees Celsius. At equilibrium the temperature of the water and metal was 38.3 degrees Celsius. What is the change in temperature of the metal? (Report this as a positive value) DO NOT USE EXPONENTIAL NOTATION DO NOT INCLUDE UNITS
Give a explanation about thermochemical energy
How much heat is required to raise the temperature of 16.1 g of water from -25 °C to 175 °C? heat: 3.20565966 Incorrect keal
Use an example to explain why heat is a path function and not state function.