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ira [324]
1 year ago
5

Which products are formed during the decomposition of magnesium nitride (mg3n2)? a. mg 3n2 b. 3mg 2n2 c. mg 3n d. 3mg n2 e. 2mg

3n
Chemistry
1 answer:
Sonbull [250]1 year ago
3 0

d. 3Mg and N₂

<h3>What is decomposition reaction?</h3>

Compounds can disintegrate into simpler molecules or elements during decomposition processes.

The general decomposition reaction is given as:

AB → A + B

Extraction of metals from their ores is significant use of decomposition processes. For instance, by putting calamine through a breakdown reaction, zinc can be extracted. The same process can be used to make sodium from sodium chloride (NaCl).

Nitrogen and elemental magnesium gas will result from the breakdown of magnesium nitride.

Mg₃N₂  → 3Mg + N₂

Learn more about decomposition reaction here:

brainly.com/question/8009068

#SPJ4

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A car traveling at a speed of 30.0 m/s encounters an emergency and comes to a complete stop in 7.5 seconds? What is the cars acc
Marianna [84]

Answer:

The acceleration is: 4m/s^2

Explanation:

Given

u = 30.0m/s --- The initial velocity

t = 7.5s --- time

v = 0m/s -- The final velocity

Required

Determine the acceleration

To do this, we make use of the first equation of motion

v = u - at

We used negative because the car was coming to stop.

This gives:

0 = 30 - 7.5 * a

0 = 30 - 7.5a

Collect like terms

7.5a = 30

Solve for a

a = \frac{30}{7.5}

a = 4m/s^2

6 0
3 years ago
What is the radius of a hydrogen atom whose electron is bound by 0.544 ev? express your answer with the appropriate units?
insens350 [35]
First, we need to calculate the principal quantum number n for this electron, using the equation:
E = (-13.60 eV) / (n x n)
where E is the energy that is used to bound the electron (here, E = - 0.544 eV).
- 0.544 eV = (-13.60 eV) / (n x n)
n x n = (- 13.60 eV) / (- 0.544 eV)
n x n = 25
n = 5

The orbital radius that is equal to the radius of a hydrogen atom is calculated using the equation:
r = 0.053 nm x n x n
r = 0.053 nm x 5 x 5
r = 0.053 nm x 25
r = 1.325 nm
6 0
3 years ago
A balloon containing 0.0400 mol of a gas with a volume of 500 mL was expanded to 1.00 L.
ANTONII [103]

Answer:

b

Explanation:

answered it correctly

3 0
3 years ago
Read 2 more answers
Need Some Quick Help, Please :)
Ray Of Light [21]
I think that it is D because the higher the molecular mass, the higher it's boiling point. I hope that helped:) Bye!
6 0
3 years ago
"what is the concentration of positive charge and mass in rutherford's atomic model called?"
Tamiku [17]
The concentration of positive charge and mass in Rutherford's atomic model is called the nucleus. Rutherford's experiments involving the use of alpha particle beams directed onto thin metal foils demonstrated the existence of the nucleus. The nucleus of an atom contains positively charge particles called protons and other uncharged particles called neutrons. According to this model most volume of an atom is made up of an empty space. 
3 0
3 years ago
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