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3 years ago

13

What monomer is made up of a base, a sugar, and a phosphate group?

2 answers:

IRINA_888 [86]3 years ago

7 0

Answer:

The Answer is B. Nucleotide

Explanation:

Nucleotide is the only Monomer out of all these options that is made up of a base, sugar, and a phosphate group. Therefor the answer is B.

Hope This Helps!

balandron [24]3 years ago

6 0

The answer is the option B. Nucleotide<span>. Nucleotides are organic molecules formed by three units :one or more phosphate groups, a sugar with five carbons (ribose or deoxyribose) and a nitrogenous base. Nucleotids are the units that form the two nucleic acid polymers: DNA and the RNA.</span>

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son4ous [18]

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Explanation:

$HCl+NaOH\rightarrow NaCl+H_2O$

moles of HCl= $molarity\times {\text {vol in L}}=0.415mol/L\times 0.1=0.0415mol$

As NaOH is in excess 0.0415 moles of HCl reacts with 0.0415 moles of NaOH.

volume of water = 100.0 ml + 50.0 ml = 150.0 ml

density of water = 1.0 g/ml

mass of water = $volume \times density=150.0ml\times 1.0g/ml=150.0g$

$q=m\times c\times \Delta T$

q = heat released

m = mass = 150.0 g

c = specific heat = $4.184J/g^0C$

$\Delta T$ = change in temperature = $4.83^0C$

$q=150.0\times 4.184\times 4.83$

$q=3031.3J$

Thus 0.0415 mol of HCl produces heat = 3031.3 J

1 mol of HCL produces heat = $\frac{3031.3}{0.0415}\times 1=73043.3J=73.04kJ$

Thus molar enthalpy change is 73.04 kJ/mol

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