True or false: Observing a physical property of a substance will change the substances' identity. I NEED IT NOWWWWW

Chemistry

1 answer:

ale4655 [162]3 years ago

5 0

False

only observing chemical property will change its identity

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Determine if the data are qualitative or quantitative.

jonny [76]

Hi there!
Zinc: Is qualitative
Chlorine: is quantitative
Gallium: is neither
Nitrogen: is quantitative
Aluminum: is quantitative
If you need an explanation, please let me know !
Hope this helps and have a good day :) !
~Angel

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3 years ago

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How many oxygen atoms are contained in the following chemical formula? 2agno3

sesenic [268]

It would be: 2*3 = 6 oxygen atoms

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Artemon [7]

Answer:

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Explanation:

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marishachu [46]

Answer:

3.00 × 10¹¹ g

Explanation:

According to the United States Department of Agriculture (USDA), Texas had 4,015,000 beef cows in 2013. One beef cow produces 205 grams of methane per day. The methane produced by the beef cows in Texas per day is:

$4,015,000Cow \times \frac{205gCH_4}{cow \times day} = \frac{8.23 \times 10^{8}gCH_4}{day}$

Each year has 365 days. The methane produced by the beef cows in Texas per year is:

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Goshia [24]

Answer:

The answer is: phospholipid molecules

Explanation:

The plasma membrane of a cell is consists of a lipid bilayer. This lipid bilayer, also known as the phospholipid bilayer, is a polar membrane composed of two layers of lipid molecules, usually amphipathic phospholipid molecules.

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