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I am Lyosha [343]
3 years ago
11

Someone please help me with my quiz about Moles for chemistry!

Chemistry
2 answers:
astra-53 [7]3 years ago
5 0

Answer:

A

C

A

Explanation:

Iam not sure if it's correct

lana66690 [7]3 years ago
3 0

ANSWER;

1: D

2: C

3: A

THANKS ME LATER

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What is the maximum possible number of electrons in a ground-state carbon atom that have ml = 0?
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6 0
3 years ago
A car with a mass of 1,200 kilograms is moving around a circular curve at a uniform velocity of 20 meters per second. The centri
Helga [31]
The answer is 80 m.

Centripetal force (F) is a force that makes body move around a circular curve. The unit of force is N (N = kg * m/s²).
It can be represented as:
F= \frac{m* v^{2} }{r}
where:
m - mass
v - velocity
r - radius of the curve

We have:
m = 1,200 kg
V = 20 m/s
F = 6,000 N = 6,000 kg * m/s²

We need radius of the curve:
r = ?

So, if <span>F= \frac{m* v^{2} }{r}, then:
</span>    r= \frac{3* v^{2} }{F}
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⇒ r= \frac{1200*400*kg*m^{2}*s^{2}  }{6000kg*m/s^{2} }
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6 0
3 years ago
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