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MatroZZZ [7]
3 years ago
12

Determine if each of the following statements about chiral molecules is True or False and select the best answer from the dropdo

wn menus. All R stereocenters are dextrorotatory. Chiral centers in organic molecules will have 4 different groups attached to a carbon. A racemic mixture has an optical activity of 0. Normal linear amines can be chiral centers. Compound C has an optical activity of 0. If the R isomer of a molecule has an optical rotation of 25.7o then the S isomer of the molecule will have an optical rotation of -25.7o. A CN is higher priority than a CH2OH. All molecules with c
Chemistry
1 answer:
romanna [79]3 years ago
5 0
-32.45. G y y u u i i i i i.
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What is the answer please
xeze [42]

Answer:

Selenium

Explanation:

Oxygen is present in the group sixteen.

This group consist of oxygen, sulfur, selenium, tellurium and polonium.

All of these have same number of valance electrons thus they show similar properties.

From the given list of elements only selenium is belong to oxygen family thus it has properties similar to the oxygen.

Electronic configuration of oxygen:

O = [He] 2s² 2p⁴

Electronic configuration of selenium:

Se = [Ar] 3d¹⁰ 4s² 4p⁴

While aluminium, boron and phosphorus are belongs to other groups that's why their properties are not similar to the phosphorus.

phosphorus is present in group 15.

Boron and aluminium are present in group 13.

6 0
3 years ago
Several general characteristics of metabolic reactions or reaction pathways are listed below. sort them into the appropriate met
Kobotan [32]
Answers are:
Catabolism: 
- g<span>enerally exergonic (spontaneous): In this reactions energy is released.
- </span><span>convert NAD+ to NADH. Electrons and protons released in reactions are attached to NAD+.
- </span><span>generation of ATP. ATP is synthesis from ADP.
- </span><span>convert large compounds to smaller compounds. Foe example starch to monosaccaharides.
Anabolism:
</span><span>- convert NADPH to NADP+. Protons and electrons are used to make chemical bonds.
</span>- <span>convert small compounds to larger compounds.</span>
8 0
3 years ago
Read 2 more answers
Due in a bit! please help tysm btw!
Free_Kalibri [48]

Answer:

Unbalanced

Explanation:

4 0
3 years ago
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According to cell theory, how are bubble algae, or sea pearls, made?
Nat2105 [25]

Answer: Bubble algae are caused by lighting, nutrients and bubble algae spores. The spores were probably on the live rock. The lighting is a side effect of trying to keep photosynthetic corals.

Explanation:

8 0
2 years ago
Chemical substances that dissolve in water or react with water to release ions are known as
disa [49]
The answer is electrolytes. Strong electrolytes like strong acids, strong bases and salts dissociate completely into ions when dissolved and no neutral molecules are present in their solution. Weak electrolytes like weak acids and weak bases do not completely ionize in water and some neutral molecules are present in their solution, while nonelectrolytes do not dissociate into ions when in solution at all.
8 0
3 years ago
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