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RideAnS [48]
3 years ago
15

PLS HELP ASAP WILL MAKE BRAINLIST

Chemistry
1 answer:
Delvig [45]3 years ago
6 0

Answer:

2y+3m2= 2ym3

Explanation:

Balances out

2y=2y

6m=6m

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How many moles of hydrogen gas<br> are produced when 3.8 moles of HCI<br> are reacted?<br> O 1.9 mol
igor_vitrenko [27]
1.9 mol H2.
3.8 mol HCl * (1 mol H2 / 2 mol HCl) = 1.9 mol H2
3 0
3 years ago
How would a bar magnet orient itself relative to this planet's magnetic field?
Maksim231197 [3]

The magnet's north pole would point to the Earth's south pole and the magnet's south pole would point to the Earth's north pole.

<u>Explanation</u>:

  • There is a magnetic pole in the earth and the magnetic poles of the earth run using the equator and it has both the closures at the arctic pole and the Antarctic pole. The attractive positive field or the north pole is situated in the arctic zone and the south pole is situated in the Antarctic zone.  
  • The magnetic positive field or the north pole is situated in the arctic zone. Any magnet which is allowed to rotate whenever suspended on the outside of the earth will align itself with the magnetic field of the earth. That is the way the bar magnet orients itself comparative with this current planet's magnetic field.
7 0
3 years ago
At what temperature will 0.0705 mol of Cl2 exert a pressure of 900. torr at a volume of 0.750L?
kompoz [17]

Answer:

It will exert the pressure at a temperature of <em><u>153.44 K</u></em>

Explanation:

To answer this question, we shall be using the ideal gas equation;

PV = nRT

Since we are calculating the temperature, it can be made the subject of the formula.

Thus, this can be T = PV/nR

where P is the pressure = 900 torr

V is the volume = 0.75 L

n is the number of moles = 0.0705 mol

R is the molar gas constant = 62.4 L.Torr.k^{-1}.mol^{-1}

Plugging these values into the equation, we have;

T = (900 × 0.75)/(0.0705 × 62.4)

T = 153.44 K

8 0
3 years ago
The body of knowledge that deals with Earth and its place in the universe is called _____________?
lakkis [162]

Answer:

Cosmology is a branch of astronomy that involves the origin and evolution of the universe, from the Big Bang to today and on into the future. According to NASA, the definition of cosmology is "the scientific study of the large scale properties of the universe as a whole."

7 0
2 years ago
What is the relative atomic mass of an atom that contains 12 protons, 14 neutrons and 12 electrons?
ella [17]

Answer:

The answer is magnesium.

Explanation:

Good Luck

5 0
3 years ago
Read 2 more answers
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