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denpristay [2]
2 years ago
14

Why are we called carbon based life forms?

Chemistry
1 answer:
RoseWind [281]2 years ago
3 0
Because carbon is part of the element structure we are made of and other elements that we are made of are sulfur and nitrogen
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Light strikes a beautiful white perch under water. This light is reflected back to your eyes allowing you to see the fish. As th
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In a boys hostel, 1206 eggs were bought for breakfast for the students. How many moles of eggs does this represent?
Evgen [1.6K]

Answer:

6.022×1023

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3 years ago
In one experiment, magnesium metal melts. In a second experiment, magnesium metal ignites as it combines with oxygen. Classify t
joja [24]

Answer:

magnesium metal melts = physical change

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Explanation:

<em>Physical changes</em> are those in which the identity of the subtance <u>remains unaltered</u>. No new compounds are formed. They involve generally changes in <u>agreggation states of matter</u>: solid, liquid or gas. The first experiment, in which magnesium metal melts is a physical change because it only changes the state of matter, from solid to liquid, but it is still magnesium metal.

Conversely, <em>chemical changes</em> involve atoms combinations to form new compounds. The second experiment, in which magnesium metal ignites, is a chemical change. After the change, magnesium metal is no longer the metal but a metal oxide.

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3 years ago
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