3 years ago

What is the electromagnetic spectrum

1 answer:

3 0

The electromagnetic spectrum is the rage of frequencies of electromagnetic radiation and their respective wavelengths and photon energetic

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2. A gas occupies 320. ml at a pressure of 420.5 mmHg. Determine the volume if the pressure is decreased to 300. mmHg.

arsen [322]

Explanation:

v1 p1 = v2 p2

v2 = v1p1/p2

v2= 320×420.5/300

v2=449ml

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2 years ago

You have 4 litres of a 3.0 mol/L solution of NaCl in a chemical store room.

ahrayia [7]

Answer:

Explanation:

nNaCl= 4x3=12

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3 years ago

What are the Eight types of bloodstain patterns ?

valentina_108 [34]

Passive bloodstain

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Identify the species oxidized, the species reduced, the oxidizing agent and the reducing agent in the following electron transfe

babunello [35]

Answer:

Oxidized and reducing agent: manganese.

Reduced and oxidizing agent: mercury.

Explanation:

Hello!

In this case, for the reaction:

$Hg^{2+}(aq) + Mn^0(s)\rightarrow Hg(s) + Mn^{2+}(aq)$

We keep in mind that the species that increase the oxidation state is the oxidized one whereas the one that decrease the oxidation state is the reduced one; therefore manganese is the oxidized one as well as the reducing agent because it goes from 0 to +2 and mercury the reduced one as well as the oxidizing agent because it goes from 2+ to 0.

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2 years ago

What are sperm and eggs ?<br>A) variations <br>B) sex cells <br>C) mutations<br>D) genes

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Sperm and egg are both sex cells used in sexual reproduction

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3 years ago

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