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AlladinOne [14]
3 years ago
13

Please help

Chemistry
2 answers:
Nataliya [291]3 years ago
5 0
Uracil doesn't present in DNA and the order of nitrogenous bases in DNA is Adenine, Guanine, Cytosine, Thymine

In short, Your Answer would be Option A

Hope this helps!
Zina [86]3 years ago
4 0
The base pairs in DNA are A+T and G+C so the first set.
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Write balanced molecular equation for the reaction between nitric acid and calcium hydroxide. Express your answer as a chemical
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<u>Answer:</u> The balanced chemical equation for the reaction of nitric acid and calcium hydroxide is written below.

<u>Explanation:</u>

A balanced chemical equation is defined as the equation in which total number of individual atoms on the reactant side is equal to the total number of individual atoms on product side.

The balanced chemical equation for the reaction of nitric acid and calcium hydroxide follows:

2HNO_3(aq.)+Ca(OH)_2(aq.)\rightarrow Ca(NO_3)_2(aq.)+2H_2O(l)

By Stoichiometry of the reaction:

2 moles of nitric acid reacts with 1 mole of calcium hydroxide to produce 1 mole of calcium nitrate and 2 moles of water molecule.

Hence, the balanced chemical equation for the reaction of nitric acid and calcium hydroxide is written below.

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\boxed {\boxed {\sf {One \ atom \ donates \ both \ electrons \ in \ a \ pair}}}

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