science Flashcards

1
Q

What rae the steps to counting atoms in an equation?

A

Identify each element, Look at the subscript (small number next to the element), If there is a coefitient (big number infront of the molecule) multiply it by the subscript.

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2
Q

Give 3 examples of synthetic materials and the natural materials they are made out of.

A

Plastic: oil
Polyester:petrolum
glass: sand

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3
Q

What are the inputs and outputs of photosynthesis?

A

Inputs: Sunlight, carbon dioxide, water.
outputs: Glucose, oxygen.

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4
Q

What is the equation for photosynthesis?

A

6CO2+6H20+sunlight=C6H12O6+6O2

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4
Q

What is melting?

A

Solid to liquid

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5
Q

what is freezing?

A

liquid to solid

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6
Q

what is evaporation?

A

liquid to gas

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7
Q

what is condensation?

A

gas to liquid

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8
Q

what is sublimation?

A

solid to gas

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9
Q

what is deposition?

A

gas to solid

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10
Q

What is boiling water?

A

An endotheric reaction because it absorbs heat making particles move faster.

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