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MAXImum [283]
3 years ago
7

What is ""green chemistry""? Describe how the distillation procedure used in this lab is a more ""green"" approach than liquid-l

iquid extraction with organic solvents. 3. Why should the distillation apparatus have an opening to the atmosphere at
Chemistry
1 answer:
pshichka [43]3 years ago
5 0

Answer: Green chemistry, can also be referred to as a major branch of Chemical Engineering that focuses on the nature plants for the use of new products and reduce wastage of resources.

Explanation:

The distillation apparatus used is open to the atmosphere to allow for removal of poisonous gas and absorption of some composition in the space for proper result.

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The temperatures of the two glasses of water shown in the photograph above are 30°C and 0°C. Which of the following is a correct
maria [59]
D! the molecules of the warmer water would have a higher average kinetic energy :)
7 0
2 years ago
If 2 objects have the same volume, but one has more mass than the other, are the densities the same or different? Explain
laiz [17]

The one with higher mass has a higher density because it fits more mass into the same amount of space (volume).

4 0
3 years ago
2Mg + O2à MgO For this unbalanced chemical equation, what is the coefficient for oxygen when the equation is balanced? A. 1 B. 2
Vikki [24]

Answer:

The answer to your question is the letter A. 1

Explanation:

Unbalanced chemical reaction

                      Mg  +  O₂  ⇒  MgO

               Reactants    Elements    Products

                       1            Magnesium       1

                       2           Oxygen              1

Balanced chemical reaction

                      2Mg  +  O₂  ⇒  2MgO

              Reactants    Elements    Products

                       2           Magnesium       2

                       2           Oxygen             2

Conclusion

The coefficients of the balanced equation are 2, 1, 2

7 0
2 years ago
Read 2 more answers
Draw the Lewis dot structure for RbIO2. Include all hydrogen atoms and nonbonding electrons. Show the formal charges of all atom
Rzqust [24]

Answer : The Lewis-dot structure of RbIO_2  is shown below.

Explanation :

Lewis-dot structure : It shows the bonding between the atoms of a molecule and it also shows the unpaired electrons present in the molecule.

In the Lewis-dot structure the valance electrons are shown by 'dot'.

The given molecule is, RbIO_2

As we know that rubidium has '1' valence electrons, iodine has '7' valence electrons and oxygen has '6' valence electrons.

Therefore, the total number of valence electrons in RbIO_2 = 1 + 7 + 2(6) = 20

As we know that RbIO_2  is an ionic compound because it is formed by the transfer of electron takes place from metal to non-metal element.

7 0
3 years ago
Which of these is a chemical property?<br><br> boiling point<br> odor<br> ability to rust<br> color
NISA [10]

Answer:

ability to rust

Explanation:

i'm like 90% sure thats correct

6 0
3 years ago
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