Activity 6.1: Energy Transformation (page 2)Procedure: Take time to observe as you cook rice. You can observe in whatever mode of cooking: Rice Cooker, Gasul or using Firewood (sugnod2x).Process Questions:What mode of cooking you are observing?________________________________________________________________________What energy that makes the rice become cook?__________________________________________________________________What type of energy is present before it was change to heat energy to cook the rice?_______________________________Can chemical reaction happens without transformation of energy that takes place? Y/N Why?________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________Illustrate the Process of Energy Changes in your observation below. Write the type of energy present. __________________________---------> ____________________________==è Fully Cooked Rice 1st Energy Present changes 2nd Energy after changes Chemical reaction GO TO THE ANSWER SHEET PROVIDED!MDI| Activity 6.1 Energy TransformationProcedure: Take time to observe as you cook rice. You can observe in whatever mode of cooking: Rice Cooker,II | Gasul or using Firewood (sugnod2x). Follow the procedures and answer the questions in your Answer Sheet.Topic 2: Exothermic and Endothermic ProcessesExothermic=> Exothermic reactions release heat and light into their surroundings. Forexample, combustion reactions are usually exothermic. In exothermicreactions, the products have less enthalpy than the reactants, and as a result, anexothermic reaction is said to have a negative enthalpy of reaction. This means thatthe energy required to break the bonds in the reactants is less than the energyreleased when new bonds form in the products. Excess energy from the reaction isSOMLreleased as heat and light.AT OEndothermic=> Endothermic reactions, on the other hand, absorb heat and/or light from theirsurroundings. For example, decomposition reactions are usually endothermic. Inendothermic reactions, the products have more enthalpy than the reactants. Thus,an endothermic reaction is said to have a positive enthalpy of reaction. This meansthat the energy required to break the bonds in the reactants is more than the energyreleased when new bonds form in the products; in other words, the reaction requiresenergy to proceed.

(1) Liquefied petroleum gas mode or gasul mode that is used in gas stoves to supply energy to cook…

Answered: Procedure: Take time to observe as you…

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...

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Activity 6.1: Energy Transformation (page 2)

Procedure: Take time to observe as you cook rice. You can observe in whatever mode of cooking: Rice Cooker, Gasul or using Firewood (sugnod2x).

Process Questions:

What mode of cooking you are observing?________________________________________________________________________
What energy that makes the rice become cook?__________________________________________________________________
What type of energy is present before it was change to heat energy to cook the rice?_______________________________
Can chemical reaction happens without transformation of energy that takes place? Y/N Why?

________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

Illustrate the Process of Energy Changes in your observation below. Write the type of energy present.

__________________________---------> ____________________________==è Fully Cooked Rice

1^st Energy Present changes 2^nd Energy after changes Chemical reaction

GO TO THE ANSWER SHEET PROVIDED!
MDI| Activity 6.1 Energy Transformation
Procedure: Take time to observe as you cook rice. You can observe in whatever mode of cooking: Rice Cooker,
II | Gasul or using Firewood (sugnod2x). Follow the procedures and answer the questions in your Answer Sheet.
Topic 2: Exothermic and Endothermic Processes
Exothermic
=> Exothermic reactions release heat and light into their surroundings. For
example, combustion reactions are usually exothermic. In exothermic
reactions, the products have less enthalpy than the reactants, and as a result, an
exothermic reaction is said to have a negative enthalpy of reaction. This means that
the energy required to break the bonds in the reactants is less than the energy
released when new bonds form in the products. Excess energy from the reaction is
SOML
released as heat and light.
AT O
Endothermic
=> Endothermic reactions, on the other hand, absorb heat and/or light from their
surroundings. For example, decomposition reactions are usually endothermic. In
endothermic reactions, the products have more enthalpy than the reactants. Thus,
an endothermic reaction is said to have a positive enthalpy of reaction. This means
that the energy required to break the bonds in the reactants is more than the energy
released when new bonds form in the products; in other words, the reaction requires
energy to proceed.

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