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RELATIVE POTENTIAL ENERGY QUICK CHECK 1

Which form of energy changes in chemical reactions due to bonds breaking and forming?(1 point)

activation
activation

potential
potential

kinetic
kinetic

thermal
thermal

What does it mean for a reaction to release energy?(1 point)

The relative potential energy of the reaction is positive.
The relative potential energy of the reaction is positive.

The activation energy of the reaction is positive.
The activation energy of the reaction is positive.

The relative potential energy of the reaction is negative.
The relative potential energy of the reaction is negative.

The activation energy of the reaction is negative.

Heat is added to a chemical system. Which energy will increase?(1 point)

the relative potential energy of the system
the relative potential energy of the system

the kinetic energy of the reactant molecules
the kinetic energy of the reactant molecules

the potential energy of the products
the potential energy of the products

the activation energy of the system

Carbon monoxide and nitrogen monoxide react to produce carbon dioxide and nitrogen gas. If the system contains platinum, then less energy is required for the reaction to occur. Which term best describes the role of platinum in the system? (1 point)

product
product

energy
energy

reactant
reactant

catalyst
catalyst

The two oxygen atoms in a molecule of oxygen gas share their outer electrons. Which type of bond do the oxygen atoms form?(1 point)

ionic
ionic

endothermic
endothermic

covalent
covalent

exothermic

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7 answers
  1. 1.Potential
    2.The Potential Energy is Positive
    3.The kinetic energy of the reactant molecules
    4.Catalyst
    5.Covalent
    100%

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  2. 5/5 answers. Trust me.
    1. potential
    2. The relative potential energy of the reaction is positive.
    3. the kinetic energy of the reactant molecules
    4. catalyst
    5. covalent

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  3. TYSM GUYS!! :D

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  4. i have a different #5 and it was "The reaction in test tube 1 is exothermic, and the reaction in test tube 2 is not."

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  5. Okay so similar to Benny, this is what I had for my assessment!
    Which form of energy changes in chemical reactions due to bonds breaking and forming?
    - potential

    What does it mean for a reaction to release energy?
    - The relative potential energy of the reaction is positive.

    Carbon monoxide and nitrogen monoxide react to produce carbon dioxide and nitrogen gas. If the system contains platinum, then less energy is required for the reaction to occur. Which term best describes the role of platinum in the system?
    - catalyst

    The two oxygen atoms in a molecule of oxygen gas share their outer electrons. Which type of bond do the oxygen atoms form?
    - covalent

    A scientist fills two test tubes with different aqueous solutions and adds different compounds to each solution. After the reactions are complete, the scientist measures the temperature of each solution. The table shows the results of the experiment.

    Test Tube 1 Test Tube 2
    Initial Temperature 20°C 20°C
    Final Temperature 25°C 19°C
    Which statement best explains the results?
    - The reaction in test tube 1 is exothermic, and the reaction in test tube 2 is not.

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  6. ty ty anonymous

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  7. “Here to help” was 100% right thanks sm !!! Feb 9, 2022

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