Amplify Chemical Reaction

The diagram above shows the repeating groups of atoms that make up the two starting substances.

After mixing, the workers found two substances that melt at higher temperatures in the sealed container. (Nothing had escaped.)

Which of the diagrams shows the repeating groups of atoms that make up the ending substances?

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Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Devorah is a food chemist, and she is developing a chemical to help foods stay fresh longer. She mixed a red liquid substance and a colorless solid substance together in a sealed container.

The diagram above shows the repeating groups of atoms that make up the two starting substances.

After mixing, Devorah found two white substances in the sealed container. (Nothing had escaped.)

Which of the diagrams to the left shows the repeating groups of atoms that make up the ending substances?

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Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Tiahna mixed two solid substances together in a sealed container. After mixing, Tiana found two liquid substances in the sealed container. (Nothing had escaped.) Which of the repeating groups of atoms could make up the ending substances?

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Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

NGSS.MS-PS1-5

A chemist mixed two samples together with properties shown above. One of the ending substances was a pink liquid. This ending substance is made up of the repeating group of atoms shown. Which of the following could be the samples for the reactants?

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Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

Serena mixed 2 samples. She analyzed the results and found two ending substances. One of the ending substances was a white solid. Which of the diagrams shows the repeating groups of atoms that make up the samples Serena mixed together?

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Tags

NGSS.MS-PS1-1

NGSS.MS-PS1-2

The substances at the beginning of a chemical equation are called the ____

• products

• yield

• chemical equation

• reactants

Damian mixed two samples together shown above and found two products, only one is shown above. Which of the following could be the two samples he mixed together?

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Tags

NGSS.MS-PS1-2

Santiago mixed two powdery substances together. After mixing, Santiago found two liquid substances in the sealed container. Which of the following could be the two product substances?

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Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Marisol mixed two samples together shown above and found two products, only one is shown above. Which of the following could be the two samples he mixed together?

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Tags

NGSS.MS-PS1-2

NGSS.MS-PS1-5

Which of the following factors can increase the rate of a chemical reaction?

• Increasing the temperature

• Decreasing the concentration of reactants

• Adding an inert gas

• Decreasing the surface area of reactants

Tags

NGSS.HS-PS1-5