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kvasek [131]
2 years ago
6

Which objects would cause refraction of light? (Select all that apply.)

Chemistry
2 answers:
AveGali [126]2 years ago
8 0
Eyeglasses, magnified glasses, and prisms
Afina-wow [57]2 years ago
7 0

Answer:

glasses and magnifying glass

Explanation:

the glass causes refraction

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Physical properties can be divided into two categories. _______ depend on the amount of matter present, while _______ don't.
Ksju [112]
Extensive properties, such as mass and volume, depend on the amount of matter being measured. Intensive properties, such as density and color, do not depend on the amount of the substance present. Physical properties can be measured without changing a substance's chemical identity.
4 0
3 years ago
Is a hollow tube that serves as passageway of air into the luns
KIM [24]

Answer:

The air that we breathe in enters the nose or mouth, flows through the throat (pharynx) and voice box (larynx) and enters the windpipe (trachea). The trachea divides into two hollow tubes called bronchi

Explanation:

7 0
3 years ago
1. In apothecaries' measures: 1 scruple = 20 grains, 1 ounce = 480 grains, 1 oz = 28.34 g
laila [671]

Answer:

5.89 g × 10⁶ μg

Explanation:

Step 1: Convert 5.00 scruples to grains

We will use the conversion factor 1 scruple = 20 grains.

5.00 scruple × 20 grain/1 scruple = 100 grain

Step 2: Convert 100 grains to ounces

We will use the conversion factor 1 oz = 480 grains.

100 grain × 1 oz/480 grain = 0.208 oz

Step 3: Convert 0.208 oz to grams

We will use the conversion factor 1 oz = 28.34 g.

0.208 oz × 28.34 g/1 oz = 5.89 g

Step 4: Convert 5.89 g to micrograms

We will use the conversion factor 1 g = 10⁶ μg.

5.89 g × 10⁶ μg/1 g = 5.89 g × 10⁶ μg

4 0
3 years ago
2.<br> Name the following compounds:<br> a. Rb20
olya-2409 [2.1K]

Answer:

Rubidium oxide

Explanation:

7 0
4 years ago
Read 2 more answers
A mineral sample has a mass of 75 g. When the sample is dropped
Elena-2011 [213]

Answer:

3.75 g/mL

Explanation:

Density can be calculated using the following formula:

Density = mass (g) / volume (mL)

You have been given the mass of the mineral sample (75 g). To find the volume, you need to determine the amount of space that the sample takes up when it is placed in the water. This can be done by subtracting the initial water volume from the final water volume.

Volume = Final - Initial

Volume = 40 mL - 20 mL

Volume = 20 mL

Now, you can calculate the density of the mineral sample.

Density = mass / volume

Density = 75 g / 20 mL

Density = 3.75 g/mL

5 0
2 years ago
Read 2 more answers
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