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1 year ago

What is the balanced equation for this reaction, which takes place in a basic solution?

Chemistry

1 answer:

marta [7]1 year ago

4 0

The balanced equation for the redox reaction, which takes place in a basic solution is:

2 Cr(OH)₃ + ClO₃⁻ (aq) + 4 OH⁻ → 2 CrO₄²⁻ (aq) + Cl⁻ (aq) + 5 H₂O; option C

<h3>What is the balanced equation for the redox reaction?</h3>

A balanced equation for a redox reaction is one in which the electrons transferred are balanced and the atoms involved in the reaction are also balanced.

To balance redox reactions in a basic solution, OH⁻ ions and H₂O are placed on appropriate sides of the reaction.

Considering the given reaction:

Cr(OH)₃ + ClO₃⁻ (aq) → CrO₄²⁻ (aq) + Cl⁻ (aq):

The balanced equation will be:

2 Cr(OH)₃ + ClO₃⁻ (aq) + 4 OH⁻ → 2 CrO₄²⁻ (aq) + Cl⁻ (aq) + 5 H₂O

The electrons transferred and the atoms involved are balanced.

Learn more about redox reactions at: brainly.com/question/21851295

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Mariulka [41]

Answer:

Option A) (I) 2.42 m (II) 2.16 M

Explanation:

Let's determine some information.

Solute = CoCl₃ (molar mass = 165.29 g/m); mass of 100 g

Solvent = Water, mass of 250 g

Solution mass = mass of CoCl₃ + mass of water

250 g + 100 g = 350 g of solution

If we want to reach molarity (mol/L), let's determine solution volume with density:

Solution density = solution mass / solution volume

1.25 g/mL = 350 g / solution volume

Solution volume = 350 g / 1.25 g/mL = 280 mL

Let's convert the volume to L → 280 mL = 0.280L

Let's convert the mass of solute to moles = 100 g / 165.29 g/m →0.605 mol

Mol/L = 0.605 moles / 0.280 L = 2.16 M

Now let's calculate molalilty (mol/kg of solvet)

We must convert solvent mass to kg → 250g = 0.250 kg

Then, 0.605 moles / 0.250 kg =2.42 m

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Answer:

B. Hydrogen and oxygen molecules

General Formulas and Concepts:

Chemistry - Reactions

Reactants are always on the left side of the arrow
Products are always on the right side of the arrow

Explanation:

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3 years ago

Consider the reaction and its rate law.

BaLLatris [955]

The order with respect to A is 2

The order with respect to B is 0.

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The rate of chemical equation is represented by its rate equation. Here the rate equation of the given chemical reaction is

$rate=k[B]^2$

Here k represents the rate constant .

Order of the reaction with respect to its individual reactants is represented by the power of the the reactants in the rate equation.

Here the power of the reactant A is 0 and the power of reactant B is 2.

Hence the order with respect to A is 0 and order with respect to B is 2.

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