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3 years ago

Which phenomena support only the particle theory of light? Check all that apply. reflection

Chemistry

2 answers:

kogti [31]3 years ago

5 0

traveling in a straight path and photoelectric effect

Verdich [7]3 years ago

3 0

Light is made of particles and with help of them the particle theory of light explains the light. Newton concluded that light has frequency-like properties. According to this the particle theory of light supports the phenomena of light bending around objects. Albert Einstein conducted research on the photoelectric effect, in which electrons fly out of a metal surface exposed to light and <span>energy of the electrons (photoelectrons) that fly out of the metal does not change whether the light is weak or strong.</span>

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How many atoms altogether make up one molecule of glucose

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Answer:

24 atoms makes altogether a molecule of glucose

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3 years ago

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3 years ago

Read 2 more answers

A solution is made by mixing 55.g of thiophene C4H4S and 65.g of acetyl bromide CH3COBr.

EleoNora [17]

Answer:

Mole fraction of C₄H₄S = 0.55

Explanation:

Mole fraction is moles of solute / Total moles

Total moles are the sum of moles of solute + moles of solvent.

Let's find out the moles of our solute and our solvent.

Mass of solute: 55g

Mass of solvent: 65g

Mol = Mass / molar mass

55 g / 84.06 g/mol = 0.654 moles of C₄H₄S

65 g /123 g/mol = 0.529 moles of C₂H₃BrO

Total moles = 0.654 + 0.529 = 1.183 moles

Mole fraction of thiophene = Moles of tiophene / Total moles

0.654 / 1.183 = 0.55

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3 years ago