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2 years ago

What type of chemical reaction is Ba(ClO3)2 --> BaCl2 + O2.

1 answer:

3 0

$(Ba(ClO_3)_2)$ → $BaCl_2 + O_2$ is a decomposition reaction. Barium chlorate $(Ba(ClO_3)_2)$ decomposes to give barium chloride and oxygen.

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

A decomposition reaction can be defined as a chemical reaction in which one reactant breaks down into two or more products.

A decomposition reaction produces multiple products from a single reactant.

Combustion reactions are the combination of some compound with oxygen to make oxides of the other elements as products.

Hence, $(Ba(ClO_3)_2)$ → $BaCl_2 + O_2$ is a decomposition reaction. Barium chlorate $(Ba(ClO_3)_2)$ decomposes to give barium chloride and oxygen.

Learn more about the decomposition reaction here:

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In a particular reaction, 53.8 g of liquid silicon tetrachloride is added to 65.0 g of solid magnesium to produce solid magnesiu

kotykmax [81]

Answer: Mg is the excess reactant for the forward reaction.

Explanation: It is a stoichiometry problem and solved with the help of given grams and using balanced equation. Grams of both the reactants are converted to moles and divided by their coefficients. The excess reactant is the one for which we get the highest number on doing above steps.

The balanced equation is:

$SiCl_4(l)+2Mg(s)\rightarrow 2MgCl_2(s)+Si(s)$

Molar mass of silicon tetra chloride is 169.9 gram per mol and the molar mass of Mg is 24.3 gram per mol.

$53.8gSiCl_4(\frac{1mol}{169.9g})$

= $0.317molSiCl_4$

$65.0gMg(\frac{1mol}{24.3g})$

= 2.67 mol Mg

From balanced equation, the coefficient of silicon tetra chloride is 1 and that of Mg is 2. So, we will divide the moles of silicon tetra chloride by 1 and that of Mg by 2 and see which one gives highest number.

For silicon tetra chloride, $\frac{0.317}{1}$ = 0.317

and for Mg, $\frac{2.67}{2}$ = 1.34

The highest number is for Mg and so the excess reactant for the forward reaction is Mg.

7 0

3 years ago

Particle quantity/number of Cu(NO3)2

Murrr4er [49]

Answer:

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8 0

3 years ago

What's the answer ???

lesya692 [45]

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5 0

3 years ago

How many moles of helium are needed to fill a balloon to a volume of 5.3 L at 22 ℃ and 632 mmHg?

son4ous [18]

Answer:

0.18 moles

Explanation:

Applying,

PV = nRT................... Equation 1

Where P = pressure, V = volume, n = number of moles, R = molar gas constant, T = temperature.

make n the subject of the equation

n = PV/RT............... Equation 2

Given: V = 5.3 L, T = 22 °C = (22+272) K = 295 K, P = 632 mmHg = (0.00131579×632) = 0.8316 atm, R = 0.083 L.atm/K.mol

Substitute these values into equation 2

n = (0.8316×5.3)/(0.083×295)

n = 0.18 moles

6 0

3 years ago

A moist red litmus paper is used for testing ammonia gas ,why

yawa3891 [41]

Answer:

when the red litmus paper is placed in a jar of ammonia, the red litmus paper turns into blue as ammonia gas is basic in nature. It confirms the alkalinity of the ammonia gas.

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3 years ago