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Galina-37 [17]
3 years ago
12

A nucleoside has no ____ group and is not a part of a nucleic acid

Chemistry
1 answer:
avanturin [10]3 years ago
3 0
A nucleoside has no natural group and is not a part of a nucleic acid. 
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As a phase change occurs when energy is removed or added to a system, the temperature of the substance stays constant because
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energy is being used to make or break bonds between molecules

Explanation:

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Please answer asp! Which term is defined as the phase change from gas to liquid?
drek231 [11]

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A

Explanation:

Evaporation

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How many moles of Al will be consumed when 0.400 mol of Al2O3 are produced in
Vladimir [108]

Answer:

C) 0.800 mol

Explanation:

  • 4Al + 3O₂ → 2Al₂O₃

In order to <u>convert from moles of Al₂O₃ into moles of Al</u>, we'll need to use<em> the stoichiometric coefficients</em>, using a conversion factor that has Al₂O₃ moles in the denominator and Al moles in the numerator:

  • 0.400 mol Al₂O₃ * \frac{4molAl}{2molAl_2O_3} = 0.800 mol Al

So the correct answer is option C).

7 0
3 years ago
Which electrons are lost by an atom of iron when it forms the Fe3+ ion?
astra-53 [7]
The two s Orbital electrons and one d orbital electron, are the electrons that are lost by an atom of Iron when it forms the Fe3 + ion. 
8 0
3 years ago
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Calculate the molarity of a solution made by dissolving 4.0 g of calcium bromide, CaBr2, in enough water to give 200 mL of solut
Troyanec [42]

Answer:

0.1 M

Explanation:

Molarity = number of moles / litres of solution.

4 g of calcium bromide = 0.02 mol

(found by dividing 4 g by the atomic mass of CaBr2, which is 199.886)

200 mL of solution = 0.2 litres

Molarity = 0.02 mol / 0.2 L = 0.1 M

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3 years ago
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