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mel-nik [20]
3 years ago
13

If DNA were straight it would be

Chemistry
2 answers:
cluponka [151]3 years ago
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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3. Move the slider on the burette to the top to add about 25 mL of NaOH to the flask. What
UNO [17]

Answer:

When you move the burette slider to the top of a flask and add about 25 mL of NaOH to the flask, you will cause a concentration of OH- molecules. This will make the solution become a basic solution and make the litmus paper blue.

Explanation:

After reading your question, we can see that you are carrying out a test to discover the nature of the pH of a solution. This type of test uses litmus paper, which is an indicator of the presence of acids and bases, being able to determine the pH of a solution. This paper is soaked in organic ink and when placed in an acidic solution, it is red in color. However, when placed in a basic solution it has a blue color.

An acidic solution is one that has a high concentration of H+ atoms and has the ability to donate electrons. The basic solution, on the other hand, has a high concentration of OH- and has the capacity to receive electrons.

When you move the burette slider to the top of a flask and add about 25 mL of NaOH to the flask, you will cause a concentration of OH- molecules. This will make the solution become a basic solution and make the litmus paper blue, that is, the solution has the basic pH.

6 0
2 years ago
Can someone please help
miskamm [114]

Answer:

b

Explanation:

6 0
3 years ago
Read 2 more answers
If 23.6 g of hydrogen gas reacts with 28.3 g of nitrogen gas, what is the maximum amount of product that can be produced?
Aleonysh [2.5K]

Answer:

34.3 g NH3

Explanation:

M(H2) = 2*1 = 2 g/mol

M(N2) = 2*14 = 28 g/mol

M(NH3) = 14 + 3*1 = 17 g/mol

23.6 g H2* 1 mol/2 g = 11.8 mol H2

28.3 g N2 * 1 mol/28 g = 1.01 mol N2

                                 3H2 + N2 ------> 2NH3

from reaction         3 mol    1 mol

given                   11.8 mol    1.01 mol

We can see that H2 is given in excess, N2 is limiting reactant.

                                 3H2 + N2 ------> 2NH3

from reaction                     1 mol         2 mol

given                                 1.01 mol      x

x = 2*1.01/1= 2.02 mol NH3

2.02 mol * 17g/1 mol ≈ 34.3 g NH3

8 0
3 years ago
Heat left over from when the earth was formed about 4.6 billion years ago is one source of INTERNAL energy. What is the other so
siniylev [52]

Answer:

the gravity

Explanation:

i hope you help this answer

4 0
2 years ago
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What are the products of photosynthesis
spin [16.1K]
Oxygen (6O2) and Glucose (C6H12O6)

<span>Reference: 6CO2 + 6H2O + light energy = C6H12O6 + 6O2.</span>
3 0
2 years ago
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