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spin [16.1K]
3 years ago
12

1

Chemistry
1 answer:
Irina-Kira [14]3 years ago
6 0
The correct answer is D
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Calculate the approximate number of atoms in a bacterium, assuming the average mass of an atom is ten times the mass of a hydrog
mezya [45]

Answer: -

The approximate number of atoms in a bacterium is 10¹¹

Explanation: -

We are given the mass of a bacterium is 10⁻¹⁵ kg.

We are told that the mass of a hydrogen atom is 10⁻²⁷ kg.

Finally we learn that the average mass of an atom of the bacterium is ten times the mass of a hydrogen atom.

Mass of an atom of bacterium = 10 x mass of hydrogen atom

                                                   = 10 x 10⁻²⁷ kg.

                                                   = 10⁻²⁶ kg.

Thus the number of atoms in a bacterium = \frac{Total mass}{mass of 1 bacterium atom}

                                                                      = \frac{10-15 kg}{10-26 kg}

                                                                      = 10¹¹


8 0
3 years ago
The periodic table below shows which elements are metals, nonmetals, and metalloids. the element with the chemical symbol ______
aleksandr82 [10.1K]
H.
represents hydrogen element. under non metal classification.

for others, you'll find them under metal element classification.
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Fundamental differences in the cell, the basic unit of life, allow for broadest classification of all living organisms into thre
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Answer:

C

Explanation:

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Explain how lines latitude and longitude help people find locations on earth.
Bad White [126]
Latitude and longitude are the x and y axis on a grid. When you're trying to find a location on earth, you need to graph it, so you can pinpoint the location. There is no grid if there is no longitude and/or latitude lines. Without one of the lines, it would be very hard to graph, which will be difficult in finding locations on earth. But hey, I'm not too sure. I recommend looking at other people's answers too and searching it up.
 
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Does a bucket of water and an ice cube have the same chemical properties?
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No, their specific heats are different. For water, and ice
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