3 years ago

If DNA were straight it would be

2 answers:

8 0

Answer:

DNA is twisted because that is the way the bonds cause it to form. Some things are just the way they are because of the way they are made.

Explanation:

Leviafan [203]3 years ago

6 0

Answer:

If DNA were a straight ladder the bases would thus be too far apart to form a stable stack.

DNA is twisted because that is the way the bonds cause it to form. Some things are just the way they are because of the way they are made.

Explanation:

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Answer:

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3 years ago

The sample of 15.0 g of KCl is dissolved into a solution with a total volume of 250.0 mL. What is the molarity of KCl in the sol

lina2011 [118]

Answer:

0.805 M.

Explanation:

Hello!

In this case, since the molarity of a solution is computing by dividing the moles of solute over the volume of solution in liters (M=n/V), for 15.0 g of potassium chloride (74.55 g/mol) we compute the corresponding moles:

$n=15.0gKCl*\frac{1molKCl}{74.55gKCl}=0.201molKCl$

Next, since the volume is 0.2500 in liters, the molarity turns out:

$M=\frac{0.201mol}{0.2500L} \\\\M=0.805M$

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3 years ago

Why does an exothermic reaction need activation energy?

andrey2020 [161]

Answer:

Activation energy is needed so reactants can move together, overcome forces of repulsion, and to begin breaking bonds.

Explanation:

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3 years ago

What phase of matter is least common on earth

Diano4ka-milaya [45]

Plasma is the least common matter on earth

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3 years ago

When should you read the label on a chemical container?

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