3 years ago

What is the BEST explanation for why someone's shirt may look yellow?

1 answer:

6 0

The best answer to this question is letter b) the shirt reflects the yellow wavelengths. Someone's shirt may look yellow because the dye molecules of the shirt absorbs the other colors, and it is yellow that is the only color that is reflected by the shirt.

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JJ thomson experiment the atomic theory?

olga nikolaevna [1]

Cathode Ray experiment to figure out electrons exist -> atoms can be broken up into subatomic particles

3 0

2 years ago

How many moles are in 5.6x1025 molecules of calcium oxide?

Vlad1618 [11]

Answer:

<h2>93.02 moles</h2>

Explanation:

To find the number of moles in a substance given it's number of entities we use the formula

$n = \frac{N}{L} \\$

where n is the number of moles

N is the number of entities

L is the Avogadro's constant which is

6.02 × 10²³ entities

From the question we have

$n = \frac{5.6 \times {10}^{25} }{6.02 \times {10}^{23} } \\ = 93.023...$

We have the final answer as

<h3>93.02 moles</h3>

Hope this helps you

8 0

2 years ago

How many moles are in an 11mL solution of NaOh and KHP (C8H4O4)

zalisa [80]

Answer:

Calculate the molar concentration of the NaOH solution that you prepared Number of moles of KHP = Number of moles NaOH = 2.476 x 10 -3 moles Number of moles NaOH = Mb x Vb Mb = 2.476 x 10 -3 moles / 0.0250 L (equivalence point) = 0.0990 M 3

Explanation:

6 0

3 years ago

The chemical properties of calcium and strontium are similar because both

Feliz [49]

Answer:

Number of valence electrons

Explanation:

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2 years ago

An area in the desert where water is found is known as an.

lbvjy [14]

Answer:

Oasis

Explanation:

An area in the desert that has water in it is called an oasis.

6 0

2 years ago