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3 years ago

What is the acronym of DNA??

Chemistry

1 answer:

g100num [7]3 years ago

3 0

Abbreviation. DNA, which stands for deoxyribonucleic acid, is defined as a nucleic acid that contains the genetic code.

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In sexual reproduction, two individuals produce offspring that have genetic characteristics from both parents. This type of repr

agasfer [191]

Answer:

genetic variation

Explanation:

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3 years ago

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How many hydrogen atoms are in each molecule of trisilylamine?

lord [1]

Answer:

9

Explanation:

The amine functional group is obtained by subsititution of one or more hydrogen atoms in the ammonia compound.

Ammonia is NH₃.

Then,

by substituting one hydrogen you obtain R - NH₂.

by substituting two hydrogens you obtain R' - NH - R''

by subsituting the three hydrogens you obtain:

R'''

R' - N - R''

In this case, the three subsitutuents are silyl groups. The silyl group is derived form silane and is SiH₃. So, the tcompound trisilylamine is:

SiH₃

SiH₃ - N - SiH₃

Thus, you can count 3 hydrogen atoms for every silylgroup for a total of 9 hydrogen atoms in each molecule of trisilylamine.

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4 years ago

How many moles are in 3.24 x 1020 particles of lead? (show work plz)

lesya [120]

<h3>Answer:</h3>

0.000538 mol Pb

<h3>General Formulas and Concepts:</h3>

Math

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Chemistry

Atomic Structure

Avogadro's Number - 6.022 × 10²³ atoms, molecules, formula units, etc.

Stoichiometry

Using Dimensional Analysis

<h3>Explanation:</h3>

Step 1: Define

3.24 × 10²⁰ particles Pb (lead)

Step 2: Identify Conversions

Avogadro's Number

Step 3: Convert

Set up: $\displaystyle 3.24 \cdot 10^{20} \ particles \ Pb(\frac{1 \ mol \ Pb}{6.022 \cdot 10^{23} \ particles \ Pb})$
Multiply/Divide: $\displaystyle 0.000538 \ mol \ Pb$

Step 4: Check

Follow sig fig rules and round. We are given 3 sig figs.

Our final answer is in 3 sig figs, no need to round.

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3 years ago

What can a earthquake do

ycow [4]

A or D I think but go with A it makes more since

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3 years ago

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¿Todos los solutos se disuelven en cualquier solvente?

Katen [24]

Answer:

Explanation: No. Todos los solutos tienen una solubilidad diferente, lo que significa que todos tienen una cantidad única de gramos que se disolverían en el mismo solvente. una solución que ha disuelto todo el soluto que puede contener a una temperatura determinada.

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3 years ago

What is the acronym of DNA?? ​

What is the acronym of DNA??