2 years ago

Which statement accurately describes differences between RNA and DNA?

Chemistry

1 answer:

Arlecino [84]2 years ago

8 0

Answer:

RNA always folds into a single helix while DNA always folds into a double helix.

<em>I hope this helps you</em>

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BARSIC [14]

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Protons / H+ ions

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3 years ago

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when copper sulfide is partially roasted in air (reaction with o2), copper sulfite is formed first. subsequently, upon heating,

Lyrx [107]

The question is incomplete, complete question is:

When copper(I) sulfide is partially roasted in air (reaction with oxygen), copper(I) sulfite is formed first. subsequently, upon heating, the copper sulfite thermally decomposes to copper(I) oxide and sulfur dioxide. Write balanced chemical equations for these two reactions.

Answer:

The balanced chemical equations for these two reactions:

$2Cu_2S(s)+3O_2(g)\rightarrow 2Cu_2SO_3(s)$

$Cu_2SO_3(s)\overset{heat}\rightarrow Cu_2O(s)+SO_2(g)$

Explanation:

On partial roasting of copper sulfide in an air. The balanced chemical reaction is given as:

$2Cu_2S(s)+3O_2(g)\rightarrow 2Cu_2SO_3(s)$

On further heating of copper(I) sulfite it get decomposes into copper oxide and sulfur dioxide. The balanced chemical reaction is given as:

$Cu_2SO_3(s)\overset{heat}\rightarrow Cu_2O(s)+SO_2(g)$

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3 years ago

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storchak [24]

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sunlight is independent/hours is dependent

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What is happening to the energy storage molecules in the plants and humans in the space station?

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2 years ago

Nitrogen gas exerts a pressure of 846mmhg. When the pressure is changed to 2.5atm its volume is 63.9l. What was the original vol

Aloiza [94]

Explanation:

$760 \: mmHg \: = \: 1 \: atm \\ 846 \: mmHg \: = \: ( \frac{846}{760} ) \: atm \\ = 1.1 \: atm \\ \\ P _{1} V _{1} = P _{2}V _{2} \\ 1.1 \times V _{1} = 2.5 \times 63.9 \\ V _{1} = \frac{2.5 \times 63.9}{1.1} \\ V _{1} = 145.2 \: litres$

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3 years ago