3 years ago

Why is staining useful when studying cells through a microscope

Chemistry

1 answer:

Gemiola [76]3 years ago

8 0

It's useful because it highlights structures in biological tissue.

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A gas occupies 135 cm3 at 143. K. At what Celsius temperature will its volume be 140 cm3? Assume that pressure remains constant.

Agata [3.3K]

Answer:

New temperature T2 = -124.7 °C

Explanation:

Given:

Old volume V1 = 135 cm³

New volume V2 = 140 cm³3

Old temperature T1 = 143 K

Find:

New temperature T2

Computation:

V1 / T1 = V2 / T2

135 / 143 = 140 / T2

New temperature T2 = 148.3 K

New temperature T2 = 148.3 - 273

New temperature T2 = -124.7 °C

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Fill the three 3d subshells with the specified number of electrons.

lana66690 [7]

1. 5 electrons.

$3d^{5}$

Therefore, the 3d subshells blanks will be like this:
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2. 6 electrons.

$3d^{6}$

The 3d subshells blanks will be:
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3. 7 electrons.

$3d^{7}$

The 3d subshells blanks will be:
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Hope you could understand.

If you have any query, feel free to ask.

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