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3 years ago

Identify the parts of the telescope.

Chemistry

2 answers:

Alona [7]3 years ago

6 0

Eyepiece, finder-scope, optical tube, aperture, focuser, and mount

saul85 [17]3 years ago

6 0

There's the eye piece which is kind of a give in, then there is the primary mirror which is at the base of the telescope, then there is the secondary mirror which is at the top of the telescope. I hope you can understand that.

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For those reactions that are redox, indicate which elements are oxidized. P₄(s)+10HClO(aq)+6H₂O(l)Br₂(l)+2K(s)CH₃CH₂OH(l)+3O₂(g)

luda_lava [24]

Answer:

Explanation:

Hello, at first, the determination of the oxidation states should be attained as follows:

$P^{0}_{4}+10H^{+1} Cl^{+1} O^{-2} +6H^{+1}_{2}O^{-2}+Br^{0}_{2}+2K^{0}+C^{-4}H^{+1}_{3}C^{-4}H^{+1}_{2}O^{-2}H^{+1} -->H^{+1}_{3}P^{+5}O^{-2}_{4}+10H^{+1}Cl^{-1}+K^{+1}Br^{-1}+H^{+1}_{2}O^{-2}+C^{+4}O^{-2}_{2}$

Now, the following elements exhibit an increase in the oxidation state:

$P^{0}-->P^{+5}\\K^{0}-->K^{+1}\\C^{-4}-->C^{+4}$

The rest of the elements remained with no change in the oxidation state (H and O) or were reduced (Cl and Br).

Best regards.

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4 years ago

Read 2 more answers

- How many electrons does a neutral atom of Magnesium-25, have?

jonny [76]

12 electrons

Explanation:

Atomic designation of magnesium:

²⁵₁₂Mg

Magnesium is group II element on the periodic table with 12 electrons.

The periodic table provides an arrangement of elements based on their atomic numbers.

The atomic number of Mg is 12...........

The atomic number of an element is the same as the number of protons i.e positively charged particles.

In a neutral atom, the number of protons is equal to the number of electrons in them.

Learn more:

Atomic number brainly.com/question/2057656

#learnwithBrainly

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3 years ago

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So, (D) option is correct

Explanation:

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3 years ago