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Sveta_85 [38]
2 years ago
10

Also write what will happen if you mix ‘recyclable, non-recyclable, liquid, e-waste’ and dump it in the Garbage bins/Garbage roo

ms?
Chemistry
1 answer:
svlad2 [7]2 years ago
5 0

Answer:

okay so we say recycle recycle e-waste I like the sewage the US are like the series I am I will say that the recyclable recyclable whatever I like a box with waffle like aquafina bottle water bottled water like like just like what you finish with the worst you could like drinking or something and it is very vital you have towards put it in your garbage because I know people who search for dads in Nigeria they called her in her mama whatever like I don't know I don't get it you should like or like show me the way cuz many people are going to still use it like some people where they make hibiscus flower just like the news about using many people using you make money from you if your recycler you make money from last many recycles they make money from it if you mix recyclable and not recyclable show me the way cuz many people are going to still use it like some people where they make hibiscus flower just like the news about using many people using you make money from you if your recycler you make money from last many recycles they make money from it if you mix recyclable and not recyclable like we always end up in your garage most definitely going to like pick it up or something so it's just so important that we like put this real thing in understand what we talking about cuz I really need to know what we are using cuz because like we say we we we we we do things that unexpected it's very great cuz I many people use those bottles so do not like anything thrown them away or sre you don't get anything saving them or you guys do is just throw them away and the pictures of those go find them that's all I can say bye

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what volume of a 0.149 m potassium hydroxide solution is required to neutralize 17.0 ml of a 0.112 m hydrobromic acid solution?
IgorLugansk [536]

Answer: 12.78ml

Explanation:

Given that:

Volume of KOH Vb = ?

Concentration of KOH Cb = 0.149 m

Volume of HBr Va = 17.0 ml

Concentration of HBr Ca = 0.112 m

The equation is as follows

HBr(aq) + KOH(aq) --> KBr(aq) + H2O(l)

and the mole ratio of HBr to KOH is 1:1 (Na, Number of moles of HBr is 1; while Nb, number of moles of KOH is 1)

Then, to get the volume of a 0.149 m potassium hydroxide solution Vb, apply the formula (Ca x Va)/(Cb x Vb) = Na/Nb

(0.112 x 17.0)/(0.149 x Vb) = 1/1

(1.904)/(0.149Vb) = 1/1

cross multiply

1.904 x 1 = 0.149Vb x 1

1.904 = 0.149Vb

divide both sides by 0.149

1.904/0.149 = 0.149Vb/0.149

12.78ml = Vb

Thus, 12.78 ml of potassium hydroxide solution is required.

5 0
3 years ago
Hydrogen gas and fluorine gas will react to form hydrogen fluoride gas. What is the standard free energy change for this reactio
Marta_Voda [28]

Answer:

\Delta G=-541.4kJ/mol

Explanation:

Hello there!

In this case, according to the given information, it turns out firstly necessary to write out the described chemical reaction as shown below:

H_2+F_2\rightarrow 2HF

Now, we set up the expression for the calculation of the standard free energy change, considering the free energy of formation of each species, specially those of H2 and F2 which are both 0 because they are pure elements:

\Delta G=2\Delta G_f^{HF}-(\Delta G_f^{H_2}+\Delta G_f^{F_2})\\\\\Delta G=2*-270.70kJ/mol-(0kJ/mol+0kJ/mol)\\\\\Delta G=-541.4kJ/mol

Regards!

4 0
3 years ago
How many moles of glucose are in 19.1g of glucose?​
Crank

Answer:

0.106 mol (3s.f.)

Explanation:

To find the number of moles, divide the mass of glucose (in grams) by its Mr. Glucose has a chemical formula of C6H12O6. To find the Mr, add all the Ar of all the atoms in C6H12O6.

Ar of C= 12, Ar of H= 1, Mr of O= 16

These Ar values can be found on the periodic table.

Mr of glucose= 6(12)+ 12(1) + 6(16)= 180

Moles of glucose

= mass ÷ mr

= 19.1 ÷ 180

= 0.106 mol (3 s.f.)

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3 years ago
What branch of Earth science studies the position of Earth in the solar
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Answer:

C.

Explanation:

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Answer:

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