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nexus9112 [7]
3 years ago
10

Suggest 2 reasons why copper should not be disposed in landfill sites

Chemistry
2 answers:
lidiya [134]3 years ago
8 0
It's a reliable source to many of products and it's value is far to hight to simply abandoned
SIZIF [17.4K]3 years ago
6 0
Because it's a waste. And it's medal instead of disposing just reuse it and also it can affect people  Like high exposure of copper can be dangerous 
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What is meant by Vulcanicity?​
scZoUnD [109]

The quality or state of being volcanic.

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Choose the best answer please .
STALIN [3.7K]

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B

Explanation:

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The substance being dissolved in a solution is called a....
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Based on the information, what is the balanced chemical equation representing the burning of butane?
kompoz [17]

Answer:

OptionA. 2C4H10 + 13O2 —> 8CO2 + 10H20

Explanation:

Butane burns is air (O2) according to the equation:

C4H10 + O2 —> CO2 + H20

Considering the equation, it is evident that it not balanced. Now let us balance the equation as shown below;

There are a total of 4 carbon atoms on the left and 1 carbon atom on the right. It can be balanced by putting 4 in front of CO2 as shown below:

C4H10 + O2 —> 4CO2 + H20

Next, there are 10 hydrogen atoms on the left and 2 hydrogen atoms on the right. Therefore to balance it, put 5 in front of H2O as shown below:

C4H10 + O2 —> 4CO2 + 5H20

Now, there are a total of 13 oxygen atoms on the right and 2 at the left. To balance it, put 13/2 in front of O2

as shown below

C4H10 + 13/2O2 —> 4CO2 + 5H20

Now we multiply through by 2 clear off the fraction and we obtained:

2C4H10 + 13O2 —> 8CO2 + 10H20

6 0
4 years ago
The system described by the reaction CO(g)+Cl2(g)⇌COCl2(g) is at equilibrium at a given temperature when PCO= 0.26 atm , PCl2= 0
givi [52]

<u>Answer:</u> The new pressure of CO is 0.09 atm

<u>Explanation:</u>

For the given chemical reaction:

CO(g)+Cl_2(g)\rightleftharpoons COCl_2(g)

The expression of K_p for above equation follows:

K_p=\frac{p_{COCl_2}}{p_{CO}\times p_{Cl_2}}             .......(1)

We are given:

p_{COCl_2}=0.66atm\\p_{CO}=0.26atm\\p_{Cl_2}=0.15atm

Putting values in above equation, we get:

K_p=\frac{0.66}{0.15\times 0.26}\\\\K_p=16.92

Addition pressure of chlorine added = 0.39 atm

Now, the equilibrium is re-established:

                    CO(g)+Cl_2(g)\rightleftharpoons COCl_2(g)

Initial:            0.26     0.15             0.66

At eqllm:     0.26-x   0.54            0.66+x

Putting values in expression 1, we get:

16.92=\frac{(0.66+x)}{(0.26-x)\times 0.54}\\\\x=0.17

So, new pressure of CO = 0.26 - x = (0.26 - 0.17) = 0.09 atm

Hence, the new pressure of CO is 0.09 atm

4 0
3 years ago
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