Answered: What is chemical energy ? Why it is…

Science

Chemistry

What is chemical energy ? Why it is used ?

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 3RE

See similar textbooks

Related questions

Q: A chemist measures the energy change AH during the following reaction: Cl,(9)+H,(9) → 2 HCl(g)…

A: A chemical reaction in which heat releases is known as exothermic reaction A chemical reaction in…

Q: How do the energies of the reactants and the products compare?

A: Given: Difference in energies of reactants and products.

Q: 11. An electric motor produces energy to turn a fan blade. The energy used to turn the fan blade is…

A: Answer

Q: which of the ff will always result in an endothermic process a. work done on the system, heaet…

A: As the reaction is endothermic means enthalpy of the reaction is positive. Means by the reaction,…

Q: An automobile engine provides 623 Joules of work to push the pistons. In this process the internal…

A: Given: Work done = 623 Joules Change in internal energy = -2731 Joules

Q: An automobile engine provides 519 Joules of work to push the pistons. In this process the internal…

A: According to first law of thermodynamics , the relationship between change in internal energy , heat…

Q: An automobile engine provides 561 Joules of work to push the pistons. In this process the internal…

A: To solve this question, use the formula which contains q, ∆U, and w in it. Give the signs to the…

Q: Which of the following statements is true? a When heat is absorbed by a system, the reaction is…

A: Which of the following statements is true ?

Q: The internal energy of a gas changes from 12 calories to 15 calories when 8 calories of heat is…

Q: If you know the specific heat of copper, what additional information do you need to calculate the…

A: The heat required to raise the temperature of a substance by one degree Celsius is said to be Heat…

Q: :An endothermic reaction causes the surroundings to

Q: What are the units of energy?

A: The potential of the body to do some work is defined as energy. There are various forms of energy…

Q: how is the caloric value of a food sample determined?

A: Calorific value is defined as the amount of energy contained in per Kg of the food.

Q: An automobile engine provides 556 Joules of work to push the pistons. In this process the internal…

Q: 1. Explain the energy changes during chemical reaction, and write the thermochemical equation for a…

A: The energy changes in a chemical reaction are reported due to the difference in the total enthalpies…

Q: How can chemical potential energy be related to the heat lost or gained in chemical reactions?

A: Exothermic reactions are those in which heat is released and endothermic reaction are those in which…

Q: An automobile engine provides 621 Joules of work to push the pistons. In this process the internal…

A: According to the first law of thermodynamics, the following expression is obtained: ∆U=q+w…

Q: Why heat capacity is so important in our everyday life? please give an examples.

A: Heat capacity is the amount of heat required in Joules by one gram of substance to raise its…

Q: Can a chemical reaction ever give off more energy than was originally contained in its reactants?

A: According to law of conservation of energy, energy can neither be created nor be destroyed. It can…

Q: What is Kinetic Energy? Give an example?

A: Force is applied to accelerate an object. Work is needed order to apply force. Energy is…

Q: Which of these descriptions of heat energy is not correct?a. Heat energy flows between objects that…

A: Thermodynamic is the branch of chemistry that mainly deals with the heat transfer between system and…

Q: An automobile engine provides 549 joules of work to push the pistons. In the process the internal…

Q: A gas in a closed container is heated causing the lid container to rise. The gas performs 3J of…

A: According to the first law of thermodynamics. ∆E = q - w ......(1) The change in energy (ΔE)…

Q: Complete combustion of 1.0 metric ton ofcoal (assuming purecarbon) to gaseous carbon dioxide…

A: 3.3×1010 J = 3.3×107 KJ

Q: An automobile engine provides 628 Joules of work to push the pistons. In this process the internal…

A: According to first law of thermodynamics , energy can neither be created nor destroyed it can change…

Q: determine and compare the quantity of heat energy released in three exothermic chemical reactions.

A: Exothermic reactions are the reactions in which heat is evolved in products that is energy is…

Q: What is the distinction between temperature and thermal energy is a system?

Q: Is internal energy a state function?

A: Energy is the capability of doing work.

Q: A 120 gram sample of gold absorbs absorbs 1.2 kJ of heat. How many much does the temperature of the…

A: Given: Mass of the sample= 120 g Heat absorbed= 1.2 kJ Specific heat capacity of gold= 0.129 To…

Q: An automobile engine provides 565 Joules of work to push the pistons. In this process the internal…

A: In this question, we want to determine the amount of heat that must be carried away by the cooling…

Q: An automobile engine provides 501 Joules of work to push the pistons. In this process the internal…

A: According to the first law of thermodynamics: ∆U=Q + W where, ∆U=Change in internal energy Q= Heat…

Q: the heat released for a complete reaction of 1 mole of carbon to 1 mole of carbon dioxide is 393kj.…

A: Given, Given moles of carbon = 1 mole Moles of CO2 = 1 mole Amount of heat releases = 393 KJ…

Q: what are some examples of potential energy?

A: Potential energy is the energy held by an object because of its position relative to other objects,…

Q: What is the energy of the reactants?

A: The energy of reactants is defines as the energy of the reaction at time zero.

Q: An automobile engine provides 624 Joules of work to push the pistons. In this process the internal…

A: Calculate heat q for the engine ?

Q: An automobile engine provides 623 Joules of work to push the pistons. In this process the internal…

A: According to the first law of thermodynamics, the energy of the universe remains constant. For a…

Q: Which of the following will ALWAYS result in an endothermic process?

A: Endothermic reactions are the chemical reactions which proceed with the absorption of heat energy…

Q: The air in an inflated balloon (defined as the system) is warmed over a toaster and absorbs 110 J of…

A: Given that : Heat absorbed by the balloon = 110 J Work done by the balloon = 79 kJ We have to…

Q: An automobile engine provides 617 Joules of work to push the pistons. In this process the internal…

Q: When 2 mol of potassium chlorate crystals decompose to potassium chloride crystals and oxygen gas at…

A: A thermochemical equation for a given reaction can be defined as the balanced stoichiometric…

Q: A chemist measures the energy change AH during the following reaction: Cl₂(g) + H₂(g) → 2 HCl (g)…

A: Given reaction : Cl2(g)+H2(g)→2 HCl (g) ΔΗ=-184. kJ

Q: An automobile engine provides 585 Joules of work to push the pistons. In this process the internal…

Q: When NaNO2(s) is dissolved in water the process is endothermic. What happens to the temperature of…

A: The process of the dissolving NaNO2(s) in water is endothermic. The enthalpy change for the…

Q: In chemical processes, what is the most prevalent kind of kinetic energy released?

A: Thermal energy or heat energy is the most prevalent form of kinetic energy released during a…

Q: An automobile engine provides 572 Joules of work to push the pistons. In this process the internal…

Q: What is chemical energy?

A: The energy that is present in some chemical substance is called chemical energy.

Question

What is chemical energy ? Why it is used ?

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

Conversion of Energy Units The complete combustion of a small wooden match produces approximately 512 cal of heat. How many kilojoules (kJ) are produced?
at if energy were not conserved? How would this affect our lives?
Consider the reaction B2H6(g)+3O2(s)B2O3(s)+3H2O(g)H=2035KJ Calculate the amount of heat released when 54.0 g of diborane is combusted.
Define heat. What are its units? How does it differ from energy?
Consider the following reaction in the vessel described in Question 57. A(g)+B(g)C(s)For this reaction, E=286 J, the piston moves up and the system absorbs 388 J of heat from its surroundings. (a) Is work done by the system? (b) How much work?
Hydrogen is an ideal fuel in many respects; for example, the product of its combustion, water, is nonpolluting. The heat given off in burning hydrogen to gaseous water is 5.16 104 Btu per pound. What is this heat energy in joules per gram? (1 Btu = 252 cal; see also Table 1.4.)
9.58 For the reaction C2H2(g)+2H2(g)C2H6,H=136 kJ. What are the ratios that can be defined between moles of substances and energy?
9.30 For the example of shallow water and sandy beaches, which material has a larger heat capacity or specific heat? How does a hot day at the beach provide evidence for your answer?
How much heat is required to raise the temperature of 100. grams of water from 25C near room temperature to 100.C its boiling point? The specific heat of water is approximately 4.2Jperg-K. a.3.2104J b.32J c.4.2104J d.76J
The second law of thermodynamics is sometimes paraphrased as: you can't break even. Explain. Because energy cannot be created out of nothing. Because some energy is lost in all energy transactions. Because some energy is gained in all energy transactons.
Suppose heat flows into a vessel containing a gas. As the heat flows into the gas, what happens to the gas molecules? What happens to the internal energy of the gas?