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mr Goodwill [35]
3 years ago
11

How much total power per area (W/m²) is emitted by a blackbody at 706 K? The Stefan-Boltzmann constant, o, is 5.67 x 10-8 W m-2K

-4. Give at least three significant figures. =
Chemistry
1 answer:
AlexFokin [52]3 years ago
8 0

Answer:

E = 14086.460 W/m²

Explanation:

Stefan-Boltzmann's law:

  • E = σ * T∧4

⇒ E = ( 5.67 E-8 W/m².K∧4 ) * ( 706 K )∧4

⇒ E = ( 5.67 E-8 W/m².K∧4 ) * ( 2.484 E11 K∧4 )

⇒ E = 14086.460 W/m²

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Explanation:

use the term electron sheilding, the more electrons between the valence el3ctron and nucleus the easier to lose the valence electron (more sheilding = easier to lose)

5 0
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Why does increasing the temperature of two reactants in solution make a
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The two molecules will only react if they have enough energy. By heating the mixture, you are raising the energy levels of the molecules involved in the reaction. Increasing temperature also means the molecules are moving around faster and will therefore "bump" into each other more often.
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You pre-weigh a glass vial to hold your sample and find its mass to be 5.010 g. You add your sample to the vial and reweigh it o
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8 0
3 years ago
Use the value of the Avogadro constant (6.02 × 1023 mol–1) to calculate the total number of atoms in 7.10 g of chlorine atoms. (
kolbaska11 [484]

The total number of atoms in 7.10g of chlorine is 1.204 × 10²³atoms.

HOW TO CALCULATE NUMBER OF ATOMS:

  • The number of atoms in a substance can be calculated by multiplying the number of moles in that substance by Avogadro's number as follows:

  • no. of atoms = no. of moles × 6.02 × 10²³ mol-¹

  • The number of moles in 7.10g of Cl is calculated as follows:

no. of moles = mass ÷ molar mass

no. of moles = 7.10g ÷ 35.5g/mol

no. of moles = 0.2mol

no of atoms = 0.2mol × 6.02 × 10²³

no. of atoms = 1.204 × 10²³atoms.

  • Therefore, the total number of atoms in 7.10g of chlorine is 1.204 × 10²³atoms.

Learn more: brainly.com/question/15488332?referrer=searchResults

6 0
2 years ago
What isapplied in case where the base is not a OH donator
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It will received an H+. I’m not sure if that answers your question correctly
8 0
3 years ago
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