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Gennadij [26K]
3 years ago
12

On the celsius scale, at what temperature does water boil?

Chemistry
1 answer:
masya89 [10]3 years ago
3 0
On the Celsius scale water boils at a temperature of 100 degrees Celsius.
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Convert 1176 mmHg to kPa
OLEGan [10]

Answer:

 156.8kPa

Explanation:

The problem here is to convert mmHg to kPa;

We have been given:

            1176mmHg and the problem is to convert to kPa;

  1000Pa = 1kPa

               1 mmHg  =  133.322Pa

               1176mmHg will give  1176 x 133.322  = 156787.1Pa

To kPa;

             156.8kPa

8 0
2 years ago
Why does every chemical reaction require a certain amount of activation energy?
Margaret [11]

Answer:

Forming the activated complex requires energy.

Explanation:

4 0
3 years ago
In which of the following is the symbol for the ion and the number of electrons it contains given correctly?
tensa zangetsu [6.8K]
The answer is A. .....
4 0
3 years ago
THIS IS FOR MY FINAL EXAM IN CHEM!!!!!! PLEASE PLEASE PLEASE DON'T GUESS
Artemon [7]
A. soluble.
The are solubility rules that predict precipitation reaction.
7 0
3 years ago
In the heating curve of an unknown substance, the line labeled C represents what change(s)?
IceJOKER [234]

Answer:

C) Temperature and Kinetic Energy.

Explanation:

Hello there!

In this case, according to the generic heating curve on the attached file, it possible to see that on the point C, whereas the line is diagonal, the temperature increases, but also the kinetic energy increases because the molecules gain energy due to the increase of the temperature. It is important to say that on flat lines, like those on B and D, the phase change takes place and just the potential energy change.

In such a way, we infer that the answer is C) Temperature and Kinetic Energy.

Best regards!

6 0
3 years ago
Read 2 more answers
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