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4 years ago

I need help with the second part of question 2. Please answer by 7:40. On, March 21, 2017.

Chemistry

1 answer:

Tomtit [17]4 years ago

7 0

The Nucleus, since the Nucleus contains a cell's Genetic Material.

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Given what you have learned about the hydrogen bonding shared between nucleic acids in dna, which pair is more stable under incr

Vinil7 [7]

Cytosine (C) and Guanine (G) are more steady under expanding heat since C and G have three hydrogen bonds while Adenine (An) and Thymine (T) have just two. The more hydrogen bonds there are, the more steady the nucleotides are. More bond dependability requires more warmth vitality to separate the securities, and since G≡C have more hydrogen securities than A=T, they are thusly more steady under expanding heat.

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4 years ago

Calculate the radius ratio for NaBr if the ionic radii of Na + and Br − are 102 pm and 196 pm , respectively. radius ratio: Base

Fudgin [204]

Answer : The expected coordination number of NaBr is, 6.

Explanation :

Cation-anion radius ratio : It is defined as the ratio of the ionic radius of the cation to the ionic radius of the anion in a cation-anion compound.

This is represented by,

$\frac{r_{cation}}{r_{anion}}$

When the radius ratio is greater than 0.155, then the compound will be stable.

Now we have to determine the radius ration for NaBr.

Given:

Radius of cation, $Na^+$ = 102 pm

Radius of cation, $Br^-$ = 196 pm

$\frac{r_{cation}}{r_{anion}}=\frac{102}{196}=0.520$

As per question, the radius of cation-anion ratio is between 0.414-0.732. So, the coordination number of NaBr will be, 6.

The relation between radius ratio and coordination number are shown below.

Therefore, the expected coordination number of NaBr is, 6.

8 0

4 years ago

Why is the formula for CO2 Carbon Dioxide<br> and not Monocarbon Dioxide? Explain.

bekas [8.4K]

Answer:

If there is only one atom for the first element in the chemical formula, the prefix mono is typically omitted from the name. For example, CO is carbon monoxide, not mono carbon monoxide. ... Thus the chemical formula for carbon dioxide is CO2, not C1O2.

Explanation:

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3 years ago

Everyone in squidwards family has light blue skin which is dom trait for body color in hid homtonof squid vally

ArbitrLikvidat [17]

Okay what am i answering?

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3 years ago

Translate the following chemical equation into a sentence. CH4+2O2 CO2+2H2O

muminat

One mole methane combusts to form one mole CO2 and 2 moles H2O

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4 years ago