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4 years ago

What is the oxidizing agent in the reaction fe + agno3 fe(no3)3 + ag?

2 answers:

8 0

Answer;
Silver is acting as oxidizing Agent.

Explanation:

The reaction is as follow,

 Fe + 3 AgNo₃ → Fe(NO₃)₃ + 3 Ag

In above reaction the Iron's oxidation state has changed from 0 to +3, i.e.

Fe⁰ → Fe³⁺ + 3 e⁻

It shows that Iron has lost 3 electrons, Hence, it is oxidized and has transferred 3 electrons to 3 mole of Ag⁺ to reduce it into Ag. Therefore, Iron is acting as reducing Agent.

While, In reaction the Silver's oxidation state has changed from +1 to 0, i.e.

3 Ag⁺ + 3 e⁻ → 3 Ag

It shows that Silver has gained one electron, Hence, it is reduced and has gained 3 electrons from 1 mole of Fe to oxidize it into Fe³⁺. Therefore, Silver is acting as oxidizing Agent.

riadik2000 [5.3K]4 years ago

8 0

Answer:

AgNO3

Explanation:

APEX APPROVED

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A liquid solvent is added to a flask containing an insoluble solid. The total volume of the solid and liquid together is 80.0 mL

Lyrx [107]

Answer:

111.44 g

Explanation:

We'll begin by calculating the volume of the solvent. This can be obtained as follow:

Mass of solvent = 21 g

Density of solvent = 0.865 g/mL.

Volume of solvent =?

Density = mass /volume

0.865 = 21 /volume of solvent

Cross multiply

0.865 × volume of solvent = 21

Divide both side by 0.865

Volume of solvent = 21 / 0.865

Volume of solvent = 24.28 mL

Next, we shall determine the volume of the solid. This can be obtained as follow:

Volume of solvent + solid = 80.0 mL.

Volume of solvent = 24.28 mL

Volume of solid =?

Volume of solid = (Volume of solvent + solid) – (Volume of solvent)

Volume of solid = 80 – 24.28

Volume of solid = 55.72 mL

Finally, we shall determine the mass of the solid. This can be obtained as follow:

Density of solid = 2.00 g/mL.

Volume of solid = 55.72 mL

Mass of solid =.?

Density = mass / volume

2 = mass of solid / 55.72

Cross multiply

Mass of solid = 2 × 55.72

Mass of solid = 111.44 g

Therefore, the mass of the solid is 111.44 g

8 0

3 years ago

A 2.5 L sample of gases at STP (standard temperature and pressure is 273 k and 1.00 atm). When the temperature is raised to 273d

podryga [215]

Answer:

x = 5.9

Explanation:

6 0

3 years ago

What temperature in fahrenheit is 28 degrees below freezing?

babunello [35]

28 degrees below freezing would be 4 degrees

4 0

3 years ago

When do we classify a disease as pandemic

miv72 [106K]

Answer:

example ☝

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4 0

3 years ago

Lighters are usually fueled by butane (c4h10). when 1 mole of butane burns at constant pressure, it produces 2658 kj of heat and

Leokris [45]

Answer:

ΔE = -2661 KJ/mole

ΔH = -2658 KJ/mole

Explanation:

ΔH = q - PΔV

ΔE = q + w

First, to find ΔE:

The reaction PRODUCES 2658 kJ of h (q), and does 3 kJ of work (w).

2658 kJ(q) + 3 kJ(w) = 2661 kJ, BUT the reaction PRODUCES heat, which means ΔE is negative.

ΔE = -2661 KJ/mole

Second, to find ΔH:

ΔH = q - PΔV

ΔH = 2658 kJ(q) - PΔV

Now, the question states that butane burns at a constant pressure; that just translates to the pressure of the reaction is equal to 0.

ΔH = 2658 KJ(q) - (0)ΔV

ΔH = 2658 KJ - 0

ΔH = 2658 kJ, BUT, like before, the reaction PRODUCES heat, which also mean ΔH is negative.

ΔH = -2658 KJ/mole

I hope this helped! Have a nice week.

5 0

3 years ago