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Naily [24]
3 years ago
14

What is the purpose of replication?

Chemistry
1 answer:
True [87]3 years ago
8 0

Answer:

2-to produce copies of a DNA molecule

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Which molecule is solid at Room temperature?<br> NH3<br> HCI<br> C4H10<br> MgCl2
Rufina [12.5K]
NH3 because the molecule in the room is more solid than and room temperature
6 0
3 years ago
What type of climate conditions are needed to form coal deposits.
guajiro [1.7K]

Answer:

Subbituminous coal can form at temperatures as low as 35 to 80 °C (95 to 176 °F) while anthracite requires a temperature of at least 180 to 245 °C (356 to 473 °F).

Sub-types: Cannel coal

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Explanation:

6 0
3 years ago
What's the pH of a solution composed of 0.2 moles of NH3 and 0.15 moles of nh4cl​
Norma-Jean [14]

Answer:

pH=4.63

Explanation:

Hello!

In this case, since the ionization of ammonia, which is a weak base, is written as:

NH_3+H_2O\rightleftharpoons NH_4^++OH^-

We can see that the ammonium ion is the conjugate acid whereas the hydroxide ions the conjugate base; that is why we use the Henderson-Hasselbach equation to compute the pH, given the pKb of ammonia 4.75:

pH=pKb+log(\frac{[conj\ acid]}{[base]} )

In such a way, for the given moles of ammonia, base, and those of ammonium chloride, conjugate acid form, we obtain:

pH=4.75+log(\frac{0.15}{0.2} )\\\\pH=4.63

Best regards!

8 0
3 years ago
The factor being measured in an experiment is the
guapka [62]
<span>Hey! Dependent variable parameter, I believe is the correct answer. (:</span>
3 0
3 years ago
What kind of intermolecular forces act between two chloramine (NH2CI) molecules?
WARRIOR [948]

Explanation:

brain and heart froce acts between two chloramine

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