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sergiy2304 [10]
2 years ago
5

Question in photo! Will give brainliest

Chemistry
1 answer:
Jlenok [28]2 years ago
7 0
To be honest, I can’t really see the question. So please next time just type it out lol
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A 4Kg rock is rolling 10m/s find it’s kinetic energy
Lubov Fominskaja [6]
KE=.5mv^2
M=mass
v=velocity
.5(4)(100)=200
That should be the answer.
5 0
3 years ago
A binary molecule consists of how many atoms?<br> O1<br> 02<br> 3<br> 4
krek1111 [17]

Answer:

2

Explanation:

BIonary bi means 2

i hope this helps :)

3 0
2 years ago
Where does condensation occur?
Elanso [62]

Answer:

A. Atmosphere

Explanation:

hope this helps

8 0
2 years ago
A 1.10 mol sample of krypton gas is collected at a pressure of 427 mmHg and a temperature of 6.0°C. The volume of the sample is
Aleksandr [31]

Answer:

Volume = 44.96L

Explanation:

p = 427mmHg = 0.56atm

R = 0.08206

T 6°C = 279k

V = ?

n = 1.10 mol

using ideal gas equation

pv=nRT

0.56 x V = 1.10 x 0.08206 x 279

0.56 x V = 25.18

V = 25.18/0.56

V = 44.96L

6 0
3 years ago
If an element gains an electron, will it form a positive ion or a negative ion?
yulyashka [42]

Answer:

it form a negative ion because the no. of negative charges exceeds that of the positive charges

5 0
3 years ago
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