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Nata [24]
3 years ago
13

Which of the following is a valid pair representing STP?

Chemistry
1 answer:
KiRa [710]3 years ago
7 0

Answer:

Option C. 760mmHg & 0°C

Explanation:

The standard pressure = 760mmHg = 1atm = 760torr = 101325N/m2

= 101325Pa

Standard temperature = 0°C =273K

From the above, the right combination is 760mmHg and 0°C

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Which of the following statements correctly explains why bromination reactions are more selective than chlorination reactions.
Vinvika [58]

Answer: A bromine radical is more stable than chlorine radical, so it is less reactive and more choosy.

Explanation:

A chlorine atom being more electronegative in nature is able to attract a hydrogen atom more readily towards itself as compared to a bromine atom.

Since bromine is less electronegative in nature so bromine will be more selective as a hydrogen abstracting agent. As a result, bromine radical is more stable in nature than chlorine radical.

Thus, we can conclude that bromine radical is more stable than chlorine radical, so it is less reactive and more choosy.

6 0
3 years ago
What are 4 molecules made of the same substance
slavikrds [6]

Answer:

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6 0
3 years ago
Read 2 more answers
What term do you use to describe a solutio that has a lower concentration compared to another solution?
tangare [24]
If we are talking about a lower concentration of solutes then the term would be Hypotonic solution.
6 0
3 years ago
Convert 4.57X-3m to the equivalent length in nanometers
siniylev [52]

Answer:

                       4.57 × 10⁶  nanometers  

Explanation:

                    In this problem we are asked to convert between two units i.e. a meter into nanometer. In sciences, the different units are used for a same quantity (achieved by multiplying conversion factors) to get rid of very small values and get a readable and  intelligible values.

For Example:

In given statement the value of small distance is 4.5 × 10⁻³ meter the real number form of this number is 0.00457. Hence, this number can be converted to a very large number by multiplying it with 10⁹ or 1000000000. Hence,

                         4.5 × 10⁻³  × 1.0 × 10⁹  =  4.57 × 10⁶

Or,

                 4.5 × 10⁻³  meters  =  4.57 × 10⁶  nanometers    

Although the quantity is the same for same units but the number has changed.          

4 0
3 years ago
What had its tempature changed in the "solubility" lab?
likoan [24]
B.) solvent; its temperature is raised so it can break down the solute easier
6 0
4 years ago
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