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ASHA 777 [7]
2 years ago
14

Explain any differences in the pulse rate at rest and after exercise ( in own words btw^^

Chemistry
1 answer:
timurjin [86]2 years ago
5 0

Answer:

Pulse rate depends on the activity we do, while exercising theres need of more oxygen so it increases but while at rest body requires less oxygen so low pulse rate.

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An aqueous solution at 25 °C has a pOH of 12.42. Calculate the pH. Round your answer to 2 decimal places
love history [14]

Answer:

pH=1.58

Explanation:

As we know that

pH+pOH=14

Given that pOH=12.42

we get pH=14-pOH

or pH=14-12.42

or pH=1.58

3 0
3 years ago
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For this discussion, respond to the following... An electron falls through a distance d in a uniform electric field of magnitude
mars1129 [50]

The electron should experience a greater acceleration due to it's significantly smaller mass and should fall through distance "d" in a shorter amount of time.

<u>Explanation:</u>

The electron force can be expressed as F=qE. According to Newton's second law of motion force can be expressed as F=ma. This can be written as a=F/m. Substituting electric force expression for "F" in this equation, we get a=qE/m. This means acceleration is conversely proportional to mass and directly to electric field and charge. This means that proton having significantly larger mass than electron should experience smaller amount of acceleration and would take longer to fall at distance "d".

On the other hand, the electron would experience greater acceleration due to it's significantly smaller mass and would fall faster at distance "d", unlike the situation of proton.

4 0
3 years ago
In a solution, the parts of the solution are mixed A) chemically. B) physically. C) only in water. D) by electronic means.
alisha [4.7K]

B. physically i hope this helps

6 0
3 years ago
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Your science teacher gives you three liquids to pour into a jar. After pouring all of them into the jar, the liquids layer as se
sweet-ann [11.9K]

Answer:

density

Explanation:

6 0
3 years ago
Which kind of matter can be homogenous or heterogenous ?
Eduardwww [97]
A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixture consists of visibly different substances or phases. The three phases or states of matter are gas, liquid, and solid.
Hope this helps you!
5 0
3 years ago
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