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bagirrra123 [75]
4 years ago
5

What is a cell and why do we need them?

Chemistry
2 answers:
victus00 [196]4 years ago
6 0
Cells are the basic building blocks of all living things. The human body is composed of trillions of cells. They provide structure for the body, take in nutrients from food, convert those nutrients into energy, and carry out specialized functions.
djverab [1.8K]4 years ago
4 0

Answer:

Cells are the building blocks of life that produce Carbon Dioxide and energy that is in the form of ATP

Explanation:

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A large piece of jewelry has a mass of 132.6 g. A graduated cylinder initially contains 48.6 mL water. When the jewelry is subme
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Answer: a) The density of the jewelry will be  0.573g/cm^3

b) The element is silver.

Explanation:

Density is defined as the mass contained per unit volume.

Density=\frac{mass}{Volume}

Given : Mass of jewelry = 132.6  grams

Volume of jewelry = volume of water displaced = (61.2-48.6)=12.6ml

Putting in the values we get:

Density=\frac{132.6g}{12.6ml}=10.52g/ml

Thus density of the jewelry will be 10.52g/ml

As density is characteristic of a particular material , the material must be silver which has a density of 10.5 g/ml.

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4 years ago
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True or false atoms with low ionization energy give up their valence electrons with ease
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