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3 years ago

I don't know what cubic centimeters mean and how it can be written as

2 answers:

6 0

Cubic centimeters is a commonly used unit of volume that extends the derived SI-unit cubic metre, and corresponds to the volume of a cube that measures 1 cm × 1 cm × 1 cm.

JulsSmile [24]3 years ago

4 0

It's the metric system and can be written as cm squared

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Which of the following is a combustion reaction?

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A.NaOH+HCI+NaCI+H2O

Explanation:

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2 years ago

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3 years ago

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When cleaning up a local beach, students found many different particles that were in the water that affected the shoreline, like

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2 years ago

HRISTINA HERRERA: Attempt 1

Lunna [17]

Answer:

7.5 g of hydrogen gas reacts with 50.0 g oxygen gas to form 57.5 g of water.

Explanation:

Here we have the check if the mass of the reactants is equal to the mass of the products.

Reactants

$7.5+50=57.5\ \text{g}$

Products

$57.5\ \text{g}$

The data is consistent with the law of conservation of matter.

Reactants

$50+243=293\ \text{g}$

Products

$206+97=303\ \text{g}$

The data is not consistent with the law of conservation of matter.

Reactant

$17.7+34.7=52.4\ \text{g}$

Products

$62.4\ \text{g}$

The data is not consistent with the law of conservation of matter.

Only the first data is consistent with the law of conservation of matter.

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3 years ago