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Serjik [45]
3 years ago
6

The expression for 11 million km in scientific notation is

Chemistry
1 answer:
kakasveta [241]3 years ago
6 0

1.1 * 10^7 km

I think.

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How many atoms of each element are in one molecule of 2-heptanone?​
Alex17521 [72]
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Which of the following is fansition<br>metallon<br>Akt<br>02 라<br>Sfeet​
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2 years ago
The distance between the image and the object in a plane mirror is 40cm if the distance of the object is reduced by 9.2cm, what
finlep [7]

Answer:

<u></u>

  • <u>10.8 cm</u>

Explanation:

The question is:

<h2>What is the distance of the object from the mirror?</h2>

To answer this question, you must learn that, for plane mirrors, the distance of the object from the mirror is equal to the distance of the image formed behind the mirror.

For instance if you stand 1 meter away from a mirror (a plane one) the position of the image of you will be 1 meter behind the mirror.

Here, the initial distance between the image and the object is 40 cm. Then, the distance between the image and the miror is 20 cm, such as it is the distance between the object and the mirror.

That the distance of the object is reduced by 9.2 cm, must be understood as that the object was placed 9.2 cm closer to the mirror.

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4 0
3 years ago
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We know that the equation is balanced because the number of zinc, hydrogen, sulfur and oxygen atoms are the same in both sides of the equation.

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We can see that there is one molecule for Zn and also one molecule for ZnSO4 (we know this because there are no numbers before the formulas, so the 1 is implied)

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8 0
3 years ago
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