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Rom4ik [11]
3 years ago
14

What is the atomic number of an oxygen atom with 8 protons and 10 neutrons in the nucleus.

Chemistry
1 answer:
Papessa [141]3 years ago
5 0
The atomic number is always equal to the number of protons. Therefore, the atomic number of Oxygen is 8.
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Explain how Archimedes' principle determines the buoyant force on an object<br> in any fluid medium.
gladu [14]

Answer:

<em>An object in a fluid medium displaces a set amount of fluid upon immersion. Archimedes' principle states that the weight of the displaced fluid is equal to the buoyant force exerted on the object</em>

6 0
3 years ago
What has more particles: a mole of hydrogen or a mole of uranium?
algol [13]

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hydrogen

Explanation:

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2 years ago
Identify the element from its location on the periodic table:<br><br> a. 4p^5
mafiozo [28]
The element is Bromine
3 0
3 years ago
How many moles of oxygen are present in 33.6l of the gas at 1atm and 0c
andreev551 [17]

The answer is: 1.5 moles of oxygen are present.

V(O₂) = 33.6 L; volume of oxygen.

p(O₂) = 1.0 atm; pressure of oxygen.

T = 0°C; temperature.

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At STP one mole of gas occupies 22.4 liters of volume.

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5 0
3 years ago
Alex dragged a log across the yard in 30 the log weighted 400n she did 900 j of work how much power did I she have
In-s [12.5K]

The power used by Alex to drag the log across the yard is determined as 2,656 W.

<h3>Mass of the log</h3>

The mass of the log is calculated as follows;

W = mg

m = W/g

m = (400)/9.8

m = 40.82 kg

<h3>Velocity of the log</h3>

K.E = ¹/₂mv²

v² = 2K.E/m

v² = (2 x 900)/(40.82)

v² = 44.096

v = 6.64 m/s

<h3>Power used by Alex</h3>

P = Fv

P = 400 x 6.64

P = 2,656 W

Learn more about power here: brainly.com/question/13881533

#SPJ1

5 0
2 years ago
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