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____ [38]
3 years ago
9

What factors do you think should be considered in selecting a metal to use to reclaim copper? Which factor do you think is the m

ost important? Explain.
Chemistry
1 answer:
Lana71 [14]3 years ago
7 0

Answer:

Aluminum

Explanation:

<h3> <em>Aluminum would be the best choice to reuse  copper from the copper chloride solution because it  In the aluminum–copper reaction, the chloride ions help remove the aluminum oxide coating so that a reaction can take place through the oxidation of aluminum and the reduction of copper ions.The aluminum–copper chloride reaction is a simplified version of a waste reclamation and reduction strategy for handling toxic-waste materials. </em></h3>
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How many moles of carbon atoms are combined with 11.2 moles of hydrogen atoms in a sample of the compound, C3H8?
lozanna [386]
The compound with a chemical formula of C₃H₈ is propane. The subscripts actually represent the number of the individual atoms in 1 particle of the compound. Since there are the same number of atoms per mole of any substance, the subscript can also represent the moles. Through stoichiometric calculations, the solution is as follows:

Moles of Carbon = 11.2 moles H * 3 mol C/8 mol H = <em>4.2 moles</em>
4 0
3 years ago
6. STATEANSWERIN SIG FIGSOR g/cm3. What mass of silver in grams (g) would be required to cover a dimensions of 120.0 ft x 60.0 f
kogti [31]

Answer:

7.0643\times 10^8 grams of silver would be required.

Explanation:

Dimensions of silver mas :

Length = l =  120.0 ft

breadth = b = 60.0 ft

Height = h = 0.33 ft

Volume of silver mass ,V= l × b × h

V=120.0 ft\times 60.0ft\times 0.33 ft=2,376 ft^3=67,278,816 cm^3

1ft^3=28316.8 cm^3

Density of silver,d = 10.5 g/cm^3

Mass = Density\times Volume

m=10.5 g/cm^3\times 67,278,816 cm^3=7.0643\times 10^8 g

7.0643\times 10^8 grams of silver would be required.

7 0
3 years ago
if i initially have 4.0 L of a gas at a pressure of 1.1 atm, what will the volume be if i increase the pressure to 3.4 atm
Lelechka [254]

Answer:

<h3>The answer is 1.29 L</h3>

Explanation:

The new volume can be found by using the formula for Boyle's law which is

P_1V_1 = P_2V_2

Since we are finding the new volume

V_2 =  \frac{P_1V_1}{P_2}  \\

From the question we have

V_2 =  \frac{4 \times 1.1}{3.4}  =  \frac{4.4}{3.4} \\   =1.294117647...

We have the final answer as

<h3>1.29 L</h3>

Hope this helps and

6 0
3 years ago
What is the equilibrium constant for I2+Cl2=2ICl if I2=0.50m,Cl2=o.60m and ICl=5.0
Murljashka [212]

Answer:

0.5

Explanation:

because equilibrium constant is products over reactants

substituting values will give you 0.5

8 0
3 years ago
What is the relationship between guard cells and stomata in plants?
Oliga [24]

Answer:

Stomata and guard cells facilitate this job of gas exchange in plants. Here, the guard cells are parenchyma cells, and they are the cells that surround stomata. Guard cells control transpiration, which is an essential process of plants that keep plants healthy.

Explanation:

6 0
3 years ago
Read 2 more answers
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