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andrezito [222]
3 years ago
15

Ionic compound formula of magnesium nitrate​

Chemistry
1 answer:
alekssr [168]3 years ago
5 0

Yo sup??

Magnesium nitrate has the formula

Mg(NO3)2

Hope this helps

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Is the following statement sometimes, always or never true: Compounds
e-lub [12.9K]

Answer:

never true is the answer

explanation:

compounds are formed by two or more elements that are chemically combined with one another. They can be broken down only be chemical or electro chemical means not by physical means.

hence, the answer i have given above is correct

please mark as brainliest

3 0
3 years ago
What type of heat is transferred from hot water to metal and plastic forks?
patriot [66]

Answer:

Kinetic energy is an energy that can be applied to another object, often considered the energy of motion.

Explanation:

Metals are generally good conductors of heat.

7 0
3 years ago
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Sodium azide, NaN3, the explosive compound found in automobile air bags, decomposes according to the following equation: 2NaN3(s
shutvik [7]

Answer:

1.9 × 10² g NaN₃

1.5 g/L

Explanation:

Step 1: Write the balanced decomposition equation

2 NaN₃(s) ⇒ 2 Na(s) + 3 N₂(g)

Step 2: Calculate the moles of N₂ formed

N₂ occupies a 80.0 L bag at 1.3 atm and 27 °C (300 K). We will calculate the moles of N₂ using the ideal gas equation.

P × V = n × R × T

n = P × V / R × T

n = 1.3 atm × 80.0 L / (0.0821 atm.L/mol.K) × 300 K = 4.2 mol

We can also calculate the mass of nitrogen using the molar mass (M) 28.01 g/mol.

4.2 mol × 28.01 g/mol = 1.2 × 10² g

Step 3: Calculate the mass of NaN₃ needed to form 1.2 × 10² g of N₂

The mass ratio of NaN₃ to N₂ is 130.02:84.03.

1.2 × 10² g N₂ × 130.02 g NaN₃/84.03 g N₂ = 1.9 × 10² g NaN₃

Step 4: Calculate the density of N₂

We will use the following expression.

ρ = P × M / R × T

ρ = 1.3 atm × 28.01 g/mol / (0.0821 atm.L/mol.K) × 300 K = 1.5 g/L

5 0
2 years ago
Makes up the core of the other planets<br> stars with an M and ends with E
Sonbull [250]

Answer:

its iron not m or e

Explanation:

3 0
1 year ago
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Iron is ___<br> A, FE<br> B,CU<br> C,K<br> D, CA
Fiesta28 [93]

<em>Answer:</em>

<em>Ello mate ! the answer is super simple it's option "A" Fe</em>

<em>Explanation:</em>

<em>Iron is a chemical element with symbol</em><em> "Fe"</em><em> and atomic number 26. It is a type of metal, that belongs to the first transition series and group 8 of the periodic table. It is by mass the most common element on Earth, forming much of Earth's outer and inner core.</em>

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3 years ago
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