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ra1l [238]
3 years ago
15

What is the density of an object with a mass of 180 grams and a volume of 45 cm3?

Chemistry
1 answer:
jeyben [28]3 years ago
4 0

Answer:

4g/cm^3

Explanation:

The formula for density is mass divided by volume. 180g is your mass, 45cm^3 is your volume, divide the two to get your answer.

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Which is responsible for the formation of rust on metals?(1 point)
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The correct answers about rusting, air pollution and products of water with rock are:

Option A. oxidation

Option D. Pollutants mix with air and water to make acid rain.

Option B. clay minerals and calcium carbonate

<h3>What is rusting?</h3>

Rusting is the process by which a metal especially reacts with oxygen in the atmosphere and water vapor to form a hydrated oxide of the metal known as hydrated iron (iii) oxide. This is known as rust.

The process is an oxidation process; option A.

<h3>How does air pollution impact chemical weathering?</h3>

Air pollution is the presence of substances in air known as pollutants which makes the air impure.

Air pollution impact chemical weathering  as the pollutants mix with air and water to make acid rain which weathers rocks; option D.

<h3>What products are produced when water reacts with sodium in rocks?</h3>

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In conclusion, the presence of pollutants in air results in acid rain and hence rock weathering.

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5 0
1 year ago
HELP ME PLS I NEED HELP
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Lol your answer is c
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Which of the following is not an example of a chemical change?
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