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3 years ago

In the reaction below, which substances are products?

Chemistry

1 answer:

Minchanka [31]3 years ago

6 0

Answer:

5 A1C13(aq) + 3 MnCl2(aq) + 3 KCl(aq) + 8 H20(1)

Explanation:

the products are on the right side of the arrow

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What mass of cu(s)cu(s) is electroplated by running 14. 5 aa of current through a cu2 (aq)cu2 (aq) solution for 4. 00 hh?

galina1969 [7]

The mass of Copper electroplated is 68.76 g

<h3>What is electroplating?</h3>

The process of plating a metal onto another is known as electroplating.

It is often used to prevent corrosion of metal or for the decorative purposes

In this process, electric current is passed through an aqueous solution containing dissolved cations.

The dissolved cations are reduced developing a thin metal coating on the electrode.

At cathode,

$Cu^{2+}(aq) + 2e^-\rightarrow Cu(s)$

Current, I = 14.5 A

Time, t = 4 hrs = 4×60×60 = 14400 sec

Charge, q = It = 14.5×14400= 208800 C

Copper metal deposited by 2×96487 C = 63.55 g

Copper metal deposited by 208800 C = $\frac{63.55 \times208800}{2\times96487}$

= 68.76g

Hence, The mass of Copper electroplated is 68.76 g

Learn more about electroplating:

brainly.com/question/22104403

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4 0

1 year ago

Read 2 more answers

Why does sawdust burn faster than logs.

Scilla [17]

Answer:

B. Smaller Particles

Explanation:

We know that the rate of reaction increases with increase in the surface area of reactants.

The reacting particles in the log of wood are embedded inside the wood making only very minimal amount of particles available for reaction. This ultimately slows down the rate of combustion.

However, in saw dust, there is a greater availability of surface area of reactants hence the sawdust burns faster than logs.

7 0

3 years ago

What is an emperical formula?

LiRa [457]

An empirical formula is the chemical formula showing the simplest ratio of elements in a compound rather than the total number of atoms.

For example the molecule 'CH2O' is the empirical formula for glucose.

7 0

4 years ago

What is the velocity of a plane traveling west if it flies 1575 km in 2.75 hours

dalvyx [7]

Answer:

572.72kmh (after decimal is repeating)

Explanation:

1575/2.75

8 0

3 years ago

A 2-g sample of sucrose is 6.50% hydrogen. What is the mass percentage of hydrogen in 300 g of sucrose? Show all work to support

grin007 [14]

The mass percentage of hydrogen in 300 g of sucrose is 9.75%

From the question given above, we were told that:

2 g of sucrose contains 6.50% (ie 0.065) hydrogen

Thus, we can obtain the percentage of hydrogen in 300 g of sucrose as follow:

2 g of sucrose contains 0.065 hydrogen.

Therefore,

300 g of sucrose will contain = $\frac{300 * 0.065}{2}$ = 9.75% of Hydrogen.

Thus, 300 g of sucrose contain 9.75% of Hydrogen.

Learn more: brainly.com/question/16559402

3 0

3 years ago