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svp [43]
3 years ago
15

He nucleus contains the cells genetic material in the form of DNA. DNA is organized into our chromosomes, which are made up of t

housands of ________ that determine our traits.
Chemistry
1 answer:
Sladkaya [172]3 years ago
5 0
Um okay so I'm not 100 percent sure so I asked Google and it said the answer is genes.
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A 0.307-g sample of an unknown triprotic acid is titrated to the third equivalence point using 35.2 ml of 0.106 m naoh. calculat
Jet001 [13]
Triprotic acid is a class of Arrhenius acids that are capable of donating three protons per molecule when dissociating in aqueous solutions.  So the chemical reaction as described in the question, at the third equivalence point, can be show as: H3R + 3NaOH ⇒ Na3R + 3H2O, where R is the counter ion of the triprotic acid. Therefore, the ratio between the reacted acid and base at the third equivalence point is 1:3. 
The moles of NaOH is 0.106M*0.0352L = 0.003731 mole.  So the moles of H3R is 0.003731mole/3=0.001244mole.
The molar mass of the acid can be calculated: 0.307g/0.001244mole=247 g/mol.
6 0
3 years ago
PLEASE HELP!
fgiga [73]
150/30 = 5
HF1 20/2 = 10
HF2 10/2 = 5
HF3 5/2 = 2.5
HF4 2.5/2 = 1.25
HF5 1.25/2 = 0.625
Answer: 0.63g
5 0
2 years ago
Read 2 more answers
A gas is collected over water at a certain temperature. The total pressure is 762. mmHg. The vapor pressure of water at this tem
ehidna [41]

I Believe The Answer Is D.

5 0
3 years ago
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Which of the following are likely to form a covakent bond
Dmitriy789 [7]

Answer:

For the most part, non-metals (excluding Nobel gases) are the most likely to form covalent bonds. Pure covalent bonds are formed between atoms with the same electronegativity, ie. they are trying to hold on to the electrons in the bond with the same strength.

5 0
3 years ago
In an endothermic reaction, a drop in temperature would be observed.<br><br> TRUE<br> or <br> FALSE
zvonat [6]
The answer is True! Hope this helps correct me if I’m wrong
8 0
3 years ago
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