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uranmaximum [27]
3 years ago
11

For most stars, what does a higher temperature tend to go with?

Chemistry
1 answer:
nexus9112 [7]3 years ago
8 0

<h3>For the majority of the stars, a higher temperature tends to correlate with the higher luminosity. </h3>

<h3>Luminosity refers to the rate of the total radiant energy output of a star. It is the inherent brightness of a star covered over the whole electromagnetic spectrum. The luminosity of a star is a determination of its brightness. The more energy emitted, the higher the brightness. </h3><h3>Temperature also influences the rate of the luminosity of the star. As a star gets hotter or with the increase in temperature, the number of nuclear reactions upsurges, generation of more reactions and more energy takes place. Thus, ultimately resulting in higher luminosity of a star.</h3>
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3 years ago
A. In the complete reaction of 22.99 g of sodium
fenix001 [56]

Answer : 58.44 g

<h3>Further explanation</h3>

The reaction

\tt Na+Cl\Rightarrow NaCl

mole ratio :

Na : Cl : NaCl = 1 : 1 : 1

Molar mass of Na : 22,989769 g/mol = 22.99 g/mol

Molar mass of Cl : 35,453 g/mol= 35.45 g/mol

Molar mass of NaCl : 58,44 g/mol

Let's check the mol for reactant (Na and Cl) and product(NaCl)

  • mol of Na :

\tt mol=\dfrac{22.99}{22.99}=1

  • mol of Cl :

\tt mol=\dfrac{35.45}{35.45}=1

Then the reactants are completed reacting because it matches the mole ratio, which is 1: 1

so that the mole of the product can be determined from the mol Na or Cl, which is 1

  • mass of NaCl :

\tt =\dfrac{mol~NaCl}{mol~Na}\times MW~NaCl\\\\=\dfrac{1}{1}\times 58.44\\\\=\boxed{\bold{58.44~g}}

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4 years ago
What is happening to a substance undergoing thermal expansion?
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What happens when an object heats up? what happens when an object cools down?
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Answer:

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Explanation:

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Read 2 more answers
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