what happens when ca no3 2 is heating it gives CaO ,NO2 and 02

Answers

Answer 1

Answer:

balanced equation:

2Ca(NO3)2 (aq)-----> 2CaO (s) + 4NO2 (g) + O2 (g)

So heating 2 moles of Ca(NO3)2 gives 2 moles of CaO, 4 moles of NO2 and 1 mole of O2. This is a heat decomposition reaction. It gives a white precipitate (CaO), and brown pungent gas (NO2).

Answer 2

Answer:

The balanced equation of the reaction is below.

Explanation:

2Ca(NO3)2 -----> 2CaO + 4NO2 + O2.

Related Questions

how many sigma and pi bonds in propionic bond

Answers

Propanoic acid formula is ch ch 2 so it has 8 bonds

Explain this
When a small piece of glowing sodium is placed inside a gas jar filled with chlorine gas, the sodium continues to burn brightly but when the gas is replaced by argon gas, the glowing sodium becomes extinguished.

Answers

Answer:

Because Argon is a inert gas

Explanation:

Inert gases don't take place in any experiments

Answer:

Below.

Explanation:

The sodium reacts strongly with the chlorine to form NaCl and the heat of reaction continues the brightness, whereas it does not react with the inert gas argon and soon cools down.

------------neutral particles in an atom

Answers

Answer:

neutrons :

Explanation:

Protons are positively charged, while electrons are negatively charged. Neutrons are electrically neutral, as the name suggests. The electric charge, noted Q , is a physical quantity.

List four examples of diffusion seen in daily life.

Answers

Answer:

Spraying perfume in one corner of the room and the smell travels to the other side of the room

Explanation:

calculate the mass of sodium sulphate required to prepare its 20%of solution in 100 g ofwater

Answers

Answer:

25 g

Explanation:

Mass percent implies the mass of solute dissolved in a solution

Mass percent = mass of solute/mass of solute + mass of solvent × 100/1

Since mass percent concentration= 20%

Mass of solvent = 100g

Let mass of solute = x

Hence;

20 = x/x +100 ×100/1

20/100= x/x + 100

0.2 = x/x + 100

0.2(x + 100) = x

0.2x + 20 = x

20 = x - 0.2x

20 = 0.8x

x= 20/0.8

x= 25 g

Which of the following elements does not lose an electron easily? NA F MG AL

Answers

Answer:

EXPLANATION

Among the given elements fluorine(F)can not lose electrons easily because of its high electron affinity, high nuclear charge and high electronegativity.

Answer:

Explanation:

it won't lose electron , rather it would gain electron to complete its octate......

Electronic Configuration of F = 2,7

So F will gain 1 electron ....

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