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ikadub [295]
3 years ago
7

Tell me the three uses of x-rays?

Chemistry
2 answers:
Vilka [71]3 years ago
8 0
View bones/breaks
airport security
radiation therapy
Olegator [25]3 years ago
3 0
Broken bones, torn ligaments...
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What would be the new volume if the pressure on 600 mL is increased from 90 kPa to 150 kPa?
Karolina [17]

Explanation:

What would be the new volume if the pressure on 600 mL is increased from 90 kPa to 150 kPa? V = Pu V₂ = 360 mL ~ 400 mL 6.

6 0
3 years ago
How does the temperature of the air change with altitude?
TiliK225 [7]
As you increase in elevation, there is less air above you thus the pressure decreases. As the pressure decreases, air molecules spread out further (i.e. air expands) and the temperature decreases. If the humidity is at 100 percent (because it's snowing), the temperature decreases more slowly with height.
8 0
3 years ago
If a reaction produces 1.506 kJ of heat, which is trapped in 30.0 g of water initially at 26.5 C on a clorimetr liake hat in Fig
Dvinal [7]

<u>Answer:</u> The final temperature of water is 38.5°C

<u>Explanation:</u>

To calculate the amount of heat released or absorbed, we use the equation:

q=mc\Delta T

where,

q = heat absorbed = 1.506 kJ = 1506 J   (Conversion factor: 1 kJ = 1000 J)

m = mass of water = 30 g

c = specific heat capacity of water = 4.184 Jl/g.°C

\Delta T = change in temperature = T_2-T_1=T_2-26.5^oC

Putting values in above equation, we get:

1506J=30g\times 4.184J/g.^oC\times (T_2-26.5^oC)\\\\T_2=38.5^oC

Hence, the final temperature of water is 38.5°C

4 0
4 years ago
Help wit this chemistry question and how do you do it ?
Alex
The number of protons and neutrons can be found on your periodic table or looked up on the internet. the number of electrons must be determined by looking at the charge and determining how many would be needed.
7 0
4 years ago
ASAP
balu736 [363]

Answer:

A- Sand at the beach

Explanation:

It is not chemical. Trust me its A!

3 0
3 years ago
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