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ziro4ka [17]
3 years ago
11

Which of the following statements is the best argument for daily exercise? A. There are many enjoyable forms of exercise, such a

s jogging, soccer, and yoga. B. Stretching before exercise and 30-45 minutes of activity provides the best results. C. For most people, a range of 100 to 120 beats per minute is optimal during exercise. D. Studies show that people who do not exercise are 50% more likely to suffer from heart disease.
Chemistry
2 answers:
Assoli18 [71]3 years ago
8 0

Answer:

C. For most people, a range of 100 to 120 beats per minute is optimal during exercise.

Explanation:

A heart rate between 100-120 during exercise is optimum. If its above 120 it can be dangerous so if you are doing exercise try to keep your heart rate between 100-120 and if it is above 120 slow down your speed to achieve the best results

gayaneshka [121]3 years ago
5 0
C- Because the range
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ki77a [65]

Answer:

Nitrogen = 0.3 atm

Oxygen = 0.25 atm

Argon  = 0.45 atm

Explanation:

According to Dalton's law of partial pressure, the total pressure in the container is equal to sum of the partial pressures of the individual gases.

Given;

Total pressure of the gases, P_total = 1 atm

Pressure of nitrogen, P_nitrogen = 0.3 atm

Pressure of oxygen, P_oxygen = 0.25 atm

Pressure of argon, P_argon = ?

P_{total} = P_{nitrogen} + P_{oxygen} + P_{argon}\\\\1 \ atm= 0.3 \ atm + 0.25 \ atm + P_{argon}\\\\1 \ atm= 0.55 \ atm +  P_{argon}\\\\ P_{argon} = 1 \ atm - 0.55 \ atm\\\\ P_{argon} = 0.45 \ atm

Therefore, the contribution of each gas to the total pressure of the gas mixture is;

Nitrogen = 0.3 atm

Oxygen = 0.25 atm

Argon  = 0.45 atm

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3 years ago
When the process of condensation occurs, the kinetic energy of particles.
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Answer:

Is insufficient to overcome intermolecular forces.

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Hope this helps

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