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alina1380 [7]
3 years ago
9

Read the following summary, which describes a body process. Then, answer the question.

Chemistry
1 answer:
Maksim231197 [3]3 years ago
7 0

Answer:

Respiritation

Explanation:

Its Respiration because the process of breathing is known as respiration and also read the paragraph hhhhhhhhhhhhhhhhhhhhhhhh

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What do atoms consist of?
Olin [163]

Answer:

protons, neutrons, electrons

5 0
3 years ago
Read 2 more answers
If the vapor pressure of pure benzene is 96.1 mm Hg, what must the vapor pressure of pure toluene be in order for the 50/50 % mi
mylen [45]

Answer:

P_{tol}=30.34mmHg

Explanation:

Hello there!

In this case, according to the given information, it turns out possible for us to calculate the vapor pressure of pure toluene by using the Raoult's law as shown below:

y_{tol}P_{mix}=x_{tol}P_{tol}\\\\y_{ben}P_{mix}=x_{ben}P_{ben}

Thus, we solve for the mole fraction of benzene in the vapor phase first:

y_{ben}=\frac{x_{ben}P_{ben}}{P_{mix}} =\frac{0.5*96.1mmHg}{63.2mmHg}=0.76

Which means that the mole fraction of toluene in the vapor phase is 0.24, and therefore, the vapor pressure of pure toluene turns out to be:

P_{tol}=\frac{y_{tol}P_{mix}}{x_{tol}} =\frac{0.24*63.2mmHg}{0.5}=30.34mmHg

Regards!

7 0
3 years ago
Convert this number to its standard form 4.05x10
klasskru [66]

The answer is 40.5.

Standard form is in answered or not in a different form.

So, you must solve this.

4.05 * 10 = 40.5


Have a great day :) Let me know if you need help with anything else!

6 0
3 years ago
From the given elements Na, P , Ca ,Br which one has highest first ionization energy , ,smallest atomic size , most metallic cha
madam [21]

Answer:

highest first ionization energy - Br

smallest atomic size - Br

most metallic character - Na

Explanation:

Ionization energy of Br is higher than P because higher zeff value

Sodium is more metallic than calcium because it is able to loose electron more readily as compared to calcium because of higher electro positivity.

Atomic radius of Br is the smallest as its atomic radius is 114, P (115), Ca (197), Na (186)

 

 

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Draw a structural formula of the sr configuration of the compound shown below.
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