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Deffense [45]
3 years ago
8

If you can solve both Will mark brainly ASAP

Chemistry
1 answer:
MrRa [10]3 years ago
7 0

Answer:

The main function sis the 2nd one and the substance provides the first 1.

Explanation:

Hope you finish the rest on your own, have fun!

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The atomic number is the number of __________________in an atom.
Anton [14]

Answer:

protons

Explanation:

6 0
4 years ago
Read 2 more answers
Several methanol (CH3OH) dimers are drawn below, and several proposed intermolecular bonding interactions are highlighted in gre
Anon25 [30]

Answer:

Posible dimers structures: B) and D) (Figure 1)

Explanation:

The correct <u>dimer structures</u> are the ones that have a right <u>intermolecular bonding</u> interacction. In this case we will have hydrogen bonding. This type of interaction is due to the negative polarization in the oxygen and  the positive polarization in the hydrogen. (Figure 2)

So, a correct dimer structure is posible if we have an interaction from the negative part (oxygen) to the positive part (hydrogen). The only structures that have this type of interactions are B and D.

3 0
3 years ago
Read 2 more answers
The density of ethanol is 0.789 g/mL. If you need 460.0 g of ethanol for an experiment, how many milliliters would you measure o
4vir4ik [10]

Answer:

The volume is 583.02 mL

Explanation:

Given that the density is:-

\rho=0.789\ g/mL

The mass, m=460.0\ g

The expression for the calculation of density is shown below as:-

\rho=\frac{m}{V}

Using the above expression to calculate the volume as:-

V=\frac{m}{\rho}

Applying the values to calculate the volume as:-

V=\frac{460.0\ g}{0.789\ g/mL}=583.02\ mL

<u>The volume is 583.02 mL.</u>

3 0
4 years ago
43. A boy is playing with a toy sledge. In which surface will it travel faster?
Kryger [21]

Answer:

D will be the answer of no 43

150 kg will be the answer of no 44

5 0
3 years ago
Positive correlation means ________________. A. as one variable increases, the other variable decreases. B. variables become unr
Softa [21]

Answer:

D. As one variable increases, the other variable also increases

8 0
3 years ago
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