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creativ13 [48]
3 years ago
7

The image shows two spheres hung from a thin rope. The spheres do not affect each other.

Chemistry
1 answer:
jekas [21]3 years ago
8 0

Answer:

both spheres have a positive charge

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Which ionic compound would you predict to have a higher boiling point: NaBr or
nasty-shy [4]

Answer:

The boiling point of NaBr is higher than that of Na2S

Explanation:

Bromine has higher electronegativity as compared to the sulphur. The ionic strength of the bond formed with Sodium is higher in the NaBr compound. The higher the ionic bond strength the higher will be the boiling point

Also the size of bromine is large as compared to that of sulphur. Large molecules consists of more electron and hence they create der Waals attractive forces due to which the boiling point of compound increases.

Hence, the boiling point of NaBr is higher than that of Na2S

8 0
3 years ago
Molecular formula: C19H16
eimsori [14]
Is the something missing from the question
8 0
3 years ago
If the (H+) is 2.1×10^-12 MHCIO4, What is the PH? is the solution ACIDIC, BASIC or NEUTRAL.​
Lilit [14]

Explanation:

The pH of a substance can be found by using the formula

pH =  -  log[ H^{ + }  ]

where [ H+ ] is the hydrogen ion concentration in the substance

From the question

[ H+ ] = 2.1 × 10-¹² M

To find the pH substitute the value into the above formula

We have

pH =  -  log(2.1 \times  {10}^{ - 12} )  \\  = 11.6777807 \:  \:  \:  \:  \:  \:

We have the answer as

<h2>pH = 11.7 </h2>

The solution is basic since it lies in the basic region that is from 8 to 14

Hope this helps you

8 0
3 years ago
Question 2 (1 point)
PIT_PIT [208]

Answer:

I believe it's multicellular.

Explanation:

because prokaryotes are a lot simpler then eukaryotes. bacteria is not multicellular but unicellular.

eukaryotes are very complex

6 0
3 years ago
Why is methanol written as ch3oh instead of ch4o?​
Ahat [919]

Answer: Here comes the role of another formula, which we refer to as the structural formula and that is CH3OH for methanol. The structural formula gives us an additional information that carbon is attached to three hydrogen atoms and one oxygen atom.

3 0
3 years ago
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