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Andrej [43]
3 years ago
14

Describe what is happening when we see the color black. why do we see white?

Chemistry
2 answers:
artcher [175]3 years ago
8 0

Answer:

we see the color black because its black we see white because its white

Explanation:

THE COLORS ARE THE COLORS YOU SEE that why

sineoko [7]3 years ago
5 0
Probably when u close your eyes you’d see black or whenever you about to past out
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An object has a mass of 441 g and a volume
Ratling [72]

Answer:

<h3>The answer is 4.41 g/cm³</h3>

Explanation:

The density of a substance can be found by using the formula

density =  \frac{mass}{volume}  \\

From the question we have

density =  \frac{441}{10}  \\

We have the final answer as

<h3>4.41 g/cm³</h3>

Hope this helps you

6 0
3 years ago
Help me with please !!!
egoroff_w [7]

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An astronaut is free-floating in space near a space station and it is not tethered to anything. He has some tools and a fire ext
worty [1.4K]

Hey there

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A.

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7 0
3 years ago
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The pressure in a car tire is 198 kPa at 27°C. After a long drive, the pressure
AlekseyPX

Answer : The temperature of the air in the tire is, 341 K

Explanation :

Gay-Lussac's Law : It is defined as the pressure of the gas is directly proportional to the temperature of the gas at constant volume and number of moles.

P\propto T

or,

\frac{P_1}{T_1}=\frac{P_2}{T_2}

where,

P_1 = initial pressure = 198 kPa

P_2 = final pressure = 225 kPa

T_1 = initial temperature = 27^oC=273+27=300K

T_2 = final temperature = ?

Now put all the given values in the above equation, we get:

\frac{198kPa}{300K}=\frac{225kPa}{T_2}

T_2=340.9K\approx 341K

Therefore, the temperature of the air in the tire is, 341 K

5 0
3 years ago
Is pre ap chemistry hard in high school?
UkoKoshka [18]

If you don't practice enough it's obviously going to be hard but if you practice enough it's going to be a piece of cake so don't think if it's going to be hard or not just think it's going to be worth the try at the very end

8 0
3 years ago
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